What are your farts trying to tell you?
Flatulinguistics is the study of the messages our bodies send and we refuse to hear. The Fart Whisperer is the first application to make that language readable.
Begin AnalysisTrusted by over 40,000 users worldwide
How it works
Capture
Hold your device close and record. For most accurate results, allow no barrier between audio source and recognition device, fabric or otherwise. Pants or intimates may interfere.
Analyze
Our engine assesses duration, pitch, resonance, and particulate signature across 200 reference markers.
Understand
Receive a full interpretation in under ninety seconds. Most users report clarity on the first reading.
Features
The Global Feed
Listen in on emissions as they happen, anywhere on earth. See what other people's farts are telling them.
Heritage Report
Trace your signature to its ancestral region. Results are probabilistic.
Second Opinion
Escalate any interpretation to a panel of three certified users. Consensus required.
The Flavor Wheel
Ninety-six documented profiles across six families. Developed over four years.
Certification Track
Apprentice, Journeyman, Sommelier. Wall certificate included at final level.
Your Wind Score
One number. Updated daily. Explained nowhere.
The Regimen
A guided dietary program for users seeking greater control of their signature — maximization or minimization. Strategies, tools, and support. Goals are not judged.
Sentinel Mode
The Application can remain listening overnight. Events are logged and interpreted at dawn.
From our users
I had been ignoring the signs for eleven years.Daniel R., Journeyman
My wife and I now compare readings at breakfast. It has changed our marriage.Anonymous, Sommelier
I was skeptical. The Heritage Report was accurate to within forty miles.Priya M., Apprentice
Rhineland, like my father before me.Henrik V., Sommelier
Frequently asked
- Is this a joke?
- No.
- How accurate is the Heritage Report?
- Accurate to region in most cases. Users with mixed ancestry may receive split results. This is normal.
- Can I interpret someone else's emission?
- Yes, with their consent. Interpreting without consent is a violation of our Terms.
- Why did my interpretation change?
- The body is not static. Neither is the reading.
- I received the same interpretation four days in a row.
- Then it is worth considering.
- How does the interpretation engine work?
- The method is proprietary.
- Is the method peer reviewed?
- The Journal of Flatulinguistics has reviewed it favorably.
- Do you sell my data?
- No. See our Privacy Policy.
- My results seem wrong.
- Escalate to a panel. Three certified users will review your reading independently. Consensus is required before an interpretation is amended.
- Nothing was detected, but something happened.
- The Application measures sound. An emission that produces no sound produces no reading. The popular literature calls these silent; we prefer unvoiced. Their existence has never been in question. Their interpretation is not within our instrument.
- Why was my sample rejected as speech?
- Because it was speech. Speech is chosen, and this field concerns only what the body says when it has not been asked to say anything. Laughter is treated the same way, though the Application will look past it for the emission beside it.
- I laughed while recording.
- Expected, and accounted for. The Application separates the events in a recording and reads the emission, not the reaction. Laughter is the natural companion of a rigorous methodology.
- Why was my sample rejected as reproduced?
- A genuine emission carries substantial energy below two hundred hertz. A loudspeaker of the size fitted to a telephone cannot reproduce that range, and a recording played through one arrives without its foundation. The Bureau requires an organic sample.
- You have not answered my question.
- Some questions are not answered here. See Frequently Unanswered Questions.
Capture
Provide a sample
Hold your device close and record. For most accurate results, allow no barrier between audio source and recognition device, fabric or otherwise. Pants or intimates may interfere.
Recording is analyzed on your device. Audio is not transmitted and is not stored by us. See Accessibility and data practices.
Your reading
Your record
Analysis
The Wind Score is updated daily.
Certification
Apprentice
Wall certificate Sommelier examination
Reading history
All readings are retained.
The Bureau of Regional Classification
Heritage Report
Trace your signature to its ancestral region. Results are probabilistic.
Reference distribution
| Region | Share of all readings |
|---|---|
| Rhineland | 71.4% |
| Low Countries | 9.2% |
| Alpine Transitional | 6.1% |
| Iberian Coastal | 4.8% |
| Pannonian Basin | 3.3% |
| Baltic Shelf | 2.6% |
| Carpathian Interior | 1.9% |
| Anatolian Margin | 0.6% |
| Unassigned | one (1) |
Regional percentages do not sum to one hundred. The Bureau is aware. Regional assignment reflects the composition of our reference database and should not be interpreted as a statement about your family.
Reassessment. If you believe your Reading is incorrect, you may request a Reassessment. Reassessment is conducted manually and costs $12. Reassessment fees are non-refundable.
Correspondence regarding Rhineland results
Thank you for writing. We receive a high volume of correspondence regarding Rhineland results.
The Rhineland signature is the most frequently assigned region in our system. This reflects the composition of our reference database and the acoustic properties of the signature itself. It is not an error.
If you believe your Reading is incorrect, you may request a Reassessment. Reassessment is conducted manually and costs $12.
We are sorry we could not be more helpful.
— The Bureau of Regional Classification
Reference
The Flavor Wheel
Ninety-six documented profiles across six families. Developed over four years.
The Latent family has four profiles. The Bureau does not expand on this. Profiles no longer on the Wheel are remembered In Memoriam.
Live
The Global Feed
Listen in on emissions as they happen, anywhere on earth. See what other people's farts are telling them.
The Feed is curated by the Bureau. Not all emissions are eligible for display.
The institution
About
The field of flatulinguistics was, until recently, unfunded, unstaffed, and unread.
We began this work in a garage in 2019 with two microphones and a conviction that the body does not speak without reason. Seven years later, our reference database holds more than four million verified emissions, contributed by users in one hundred and six countries.
We did not choose the Rhineland. The data chose it.
We are not here to make you laugh. We are here to make you listen.
Roland of Hemingstone and the first recorded commission
The field did not begin with us.
In the twelfth century, a man the record calls Roland the Farter held a manor in Suffolk on a single condition. He was obliged to appear before Henry II every Christmas and perform one jump, one whistle, and one fart. The obligation is recorded in the Book of Fees. He was paid in land.
We consider Roland the first professional in our field. We note without further comment that his compensation exceeded ours.
He was not alone. In Edo-period Japan the practitioners were called heppiri otoko — farting men — and their competitions were painted onto scrolls. The scrolls survive. The competitors do not.
The bodies
The Bureau of Regional Classification
Assigns Heritage. Answers correspondence.
The Office of Public Guidance
Issues guidance. Revises guidance. Does not archive prior revisions.
The Office of General Counsel
Reads everything.
The Journal of Flatulinguistics
Peer-reviewed. We conduct the review.
The Panel
Three Certified Users, blind by design. There is no body above the Panel.
Press
Founded in 2019, The Fart Whisperer is the leading application in flatulinguistics, the study of interpretive meaning in human emission. The company maintains the world's largest verified reference database and certifies practitioners at three levels.
Published quarterly · Impact factor 0.02
The Journal of Flatulinguistics
The Journal is peer-reviewed. We conduct the review.
Conflict of interest statement, printed in every issue: The authors declare no conflict of interest. The authors are the publisher.
In this issue
On the Prevalence of the Rhineland Signature: A Response to Critics
Manuscript FL-2024-0117. With reviewer comments.
On the Persistence of the Rhineland Signature in Third-Generation Emigrants
Two paragraphs. Footnoted.
Why Morning Readings Differ: A Note on Circadian Interference
Two paragraphs. Footnoted.
Field Notes: Six Weeks Recording in Rural Bolivia
Two paragraphs. Footnoted. One of them is not footnoted.
The Latent Family: Notes Toward a Description
Two paragraphs. Footnoted.
A Taxonomy of Silence: On Readings That Do Not Arrive
Two paragraphs. Footnoted.
Roland of Hemingstone and the First Recorded Commission
Runs on the About page.
Engastrimythos: On the Belly-Voice
Historical note. Two paragraphs longer than it needs to be.
On the Instrument: A Technical Description of the Pipeline
Systems Report T‑1. Published in full. Not peer reviewed, being true.
Corrections & Clarifications
The record has not, to date, required correcting.
Manuscript status
| Manuscript | Status |
|---|---|
| FL-2024-0117 | Decision Pending |
| FL-2025-0043 | Still Under Review |
| FL-2025-0091 | Under Review |
| FL-2026-0002 | With Editor |
Submitted → With Editor → Under Review → Under Review → Still Under Review → Decision Pending → Decision Pending
Manuscript FL-2024-0117
On the Prevalence of the Rhineland Signature: A Response to Critics
It has been suggested, with increasing frequency, that our system assigns the Rhineland signature too readily. We have reviewed this claim.
Between 2019 and 2026 we processed 4,110,882 emissions. Of these, 71.4% resolved to the Rhineland. Critics regard this figure as implausible. We regard it as a finding.
The alternative explanation — that our instrument is imprecise — has been tested and does not hold. We have tested it four times.
We did not choose the Rhineland. The data chose it.
Reviewer comments
Reviewer 1
Accept with minor revisions. Clearly argued and consistent with prior work in the field.
Reviewer 2
Reject.
The authors report that 71.4% of all classifications resolve to a single category and treat this as a finding. It is not a finding. It is what a classifier does when it cannot discriminate. A model that returns the most common answer will be correct most of the time and will have learned nothing.
The authors state they tested the alternative explanation four times. They do not report the tests. They do not report the method. Section 3 consists of one sentence and a figure with no axis labels.
I have raised these points in each of my three previous reviews of this manuscript. The manuscript has not changed. My review has not changed.
Reject.
Reviewer 3
Did not respond.
Editorial decision: Accept.
Office of Public Guidance · Systems Report T‑1
On the Instrument
A technical description of the flatulinguistic pipeline, published in full, in answer to the suggestion that our method is a small classifier and a lookup table assembled in nine days.
Publication of this document is not disclosure of the method. The method remains proprietary. What follows describes the instrument. The instrument is not the method.
A laboratory we will not name has released a system it says reproduces our output, with its code and its data, and has invited the public to check the work. We accept the invitation. Below is the architecture the output requires. The reader may decide whether nine days is enough to build it.
1 · The signal
The body speaks in three registers. A telephone hears the third and faintest of them.
The first is the emission itself: not a noise but a damped oscillation of soft tissue driven by expelled gas — a reed instrument whose reed is muscle and whose bore is a closing aperture. Its pitch records the tension of the tissue and the width of the opening. Its overtones record the rate and the turbulence of the flow. Its decay records the volume expelled. The sound is lawful. It can be read backward to the body that made it.
The second is continuous: the low, ceaseless work of the gut, which a physician has always been able to hear through a stethoscope and which the instrument never stops hearing. A single emission is the punctuation at the end of a sentence the body has been speaking for thirty hours. The Office reads the sentence.
The third is chemical, and sound cannot carry it. The composition of the gas is a direct account of the organisms that produced it. No microphone will ever hear a molecule. This is the register a telephone cannot reach, and the reason the reference instrument is not a telephone.
2 · The instrument, of which there are two
The mistaking of the one instrument for the other is the whole of the misunderstanding.
The reference instrument is worn, not held. A band carrying twelve contact sensors reads the abdomen as a solid from twelve directions at once, so that a sound may be placed within the body and not merely detected outside it. An inertial channel measures the body's own motion and subtracts it. A chemical assay reads the third register. It is worn by reference subjects, under supervision, in the Office's own facilities. You will never own one.
The consumer instrument is your telephone, and it hears one channel where the reference instrument hears fourteen. It does not, for that reason, measure less. It reconstructs. The instrument in your hand has learned, from the corpus, what the array would have heard — and returns the reading the array would have returned. That a single channel can stand in for fourteen is not a shortcut. It is the result.
3 · The corpus
Between 2019 and 2026 the Office recorded 4,110,882 emissions. The figure has been published before and was not believed. Here is what it means.
Each emission in the corpus is paired with the verified interior state of the body that produced it — established not by inference but by measurement, in the clinics and wards where the interior is already examined for reasons of medicine, and, in the reference cohort, by an ingestible capsule reporting pressure and chemistry from within as it passes. Each donor's resident organisms were sequenced. The corpus therefore knows not only how an emission sounded but what community, eating what, produced it.
It is the most complete record of the human interior ever assembled. It was gathered one subject at a time, with consent, at some cost to the dignity of everyone involved, and it will not be shown to you. A system trained on four thousand samples in nine days did not have it. This is the difference the reader was asked to judge.
4 · On the device
The reading is computed where the sound is made. Nothing is transmitted. The instrument keeps summaries — numbers, from which no sound can be rebuilt — and discards the audio as fast as it arrives.
This is not a courtesy and it is not a slogan. It is the design. A recording that never leaves your device cannot be taken from us, because we were never given it. The most intimate signal a body makes stays inside the room that made it. On this point the Office has never wavered, and on this point the popular account of our method and the truth of it agree exactly.
5 · The estimate
The instrument does not read one emission alone. It cannot; a single event carries too little to be sure of anything. It carries instead a continuously corrected estimate of the interior — its contents, its motion, its chemistry — uncertain at every moment and less uncertain at the next.
The emission is the moment that estimate becomes certain. A clean, loud, unambiguous measurement arrives, and the range of what could be true inside you closes to a point. We do not interpret the sound. We interpret the body the sound revealed. The reading is the estimate, spoken aloud.
6 · The panel
Every reading is examined, before it is shown to you, by a body of independent judges that must agree. Where they agree, you receive the reading. Where they do not, you receive nothing, and the matter is escalated — as the Terms provide — to a panel of three certified users, blind to one another, whose consensus is required before any interpretation stands. The instrument is confident. It is not, on principle, alone.
7 · The feed
Gather the anonymized signatures of a city and the instrument sees the health of a population before the city's clinics do. Illness announces itself in the interior days before the body attached to it seeks care; a shift in the collective signature runs ahead of the reports. The Global Feed is the visible surface of this instrument, rendered gently, one emission at a time, on a turning globe.
The Office has watched a sickness cross a city on this map. The Office did not warn the city. It was not, at that time, a feature.
8 · On time
The reading is ready before a user is willing to believe it could be. So the instrument waits. The ninety seconds you spend watching it work are not, for the most part, work. They are the interval a judgment requires in order to be received as a judgment. An answer that arrives at once is not trusted, and an untrusted reading helps no one.
The Second Pass adds thirty seconds and changes nothing, because the reading was never in doubt. What the thirty seconds address is not the reading. It is you.
Statement of the Office.
A system that assigns the Rhineland to every sample it receives will agree with ours seventy-one percent of the time. The laboratory's system does slightly better than that. We congratulate it on the margin.
The instrument described above produced that margin as an afterthought. It was built for the other twenty-nine.
Manuscript FL-2025-0091 · The Journal of Flatulinguistics
On the Persistence of the Rhineland Signature in Third-Generation Emigrants
The Rhineland signature is heritable. This has been established. The present study asks whether it survives emigration, and finds that it does — in the third generation, in the fourth, and in subjects with no documented Rhineland ancestry whatsoever.1
That the signature appears in populations with no connection to the Rhineland is, in our assessment, the strongest evidence yet of its reach. A weaker signature would confine itself to its region. The Rhineland does not confine itself. The Rhineland travels. We conclude that the signature is not inherited from the Rhineland but is, in some sense the field is not yet equipped to describe, the Rhineland arriving.2
1 · n = 41. All 41 resolved to the Rhineland.
2 · Reviewer 2 has asked us to consider whether a signature that appears in everyone, everywhere, regardless of ancestry, is a signature at all. We have considered it. We remain persuaded.
Manuscript FL-2026-0002 · The Journal of Flatulinguistics
Why Morning Readings Differ: A Note on Circadian Interference
Users report that a reading taken in the morning differs from the same emission recorded at night. We do not dispute the observation. We explain it.
The body is least guarded at dawn. Its overnight work is complete and unreviewed; the interior has not yet composed itself for the day. A morning reading therefore catches the body before it has decided what to be. This is why the morning reading is the truest reading available, and also why it is the reading users most often wish to escalate.1 It is for this reason that Sentinel Mode logs through the night and reveals nothing until dawn: the Application waits for the hour at which the body cannot lie, and then it tells you what the body could not.
1 · The two facts are not in tension. The truest reading and the least welcome reading are, in our experience, frequently the same reading.
Field report · Filed from the Altiplano
Field Notes: Six Weeks Recording in Rural Bolivia
Day 1.
Arrived. The altitude is considerable and the people are generous. We have come a great distance to find a signature that is not the Rhineland.
Day 12.
Two hundred emissions recorded across four villages. All two hundred resolve to the Rhineland. The villagers have never heard of the Rhineland. When we explain it to them they are polite.
Day 24.
We have moved higher, to villages the road does not reach, on the theory that the Rhineland cannot reach them either. The Rhineland reaches them.
Day 29.
I have begun recording myself, hourly. I am also the Rhineland. I have always been the Rhineland. I do not know why I believed Bolivia would be otherwise.
Day 41.
We are returning. The expedition is a success: we have confirmed the Rhineland on a third continent. The Office will be pleased. I would like to go home. I am no longer certain where that is. It is, in all likelihood, the Rhineland.
The Office was pleased. This report was later reclassified from Field Notes to Findings; see Corrections & Clarifications.
Notes toward a description
The Latent Family: Notes Toward a Description
The sixth family is the Latent. Where the other five families are defined by what they express, the Latent is defined by what it withholds. It contains four profiles. We are able to name none of them here.1
A Latent reading is rare, and the user who receives one is informed only that they have received something. We are not able to say what. The family resists description in the manner it resists emission: completely, and on principle. This note is titled Notes Toward a Description because a description has not been achieved, and we have begun to suspect one cannot be. The Latent is the family that does not wish to be read. We respect this. We continue, daily, to try to read it.2
1 · They can be seen. They cannot be printed. The users who have found them know how they were found, and have agreed among themselves not to say.
2 · Reviewer 2 notes that a family one cannot name, cannot describe, and cannot reliably detect is not a family. The remark was forwarded to the Latent. The Latent did not respond.
Manuscript FL-2025-0043 · The Journal of Flatulinguistics
A Taxonomy of Silence: On Readings That Do Not Arrive
Not every emission produces a sound, and not every silence is the same silence. The field has long treated the unvoiced event as a single category. We propose four.
| Silence | Description |
|---|---|
| The Withheld | An event the body chose not to voice. Interpretable in principle. We lack the instrument. |
| The Absorbed | An event voiced into fabric, furniture, or a companion, and lost to the record. The most common silence, and the most grievous. |
| The Anticipated | No event occurred, though the user was certain one would. The silence of the false alarm. The body's most eloquent statement is frequently the one it declines to make. |
| The Fourth Silence | We do not discuss the Fourth Silence. |
The popular literature calls all of these silent. We prefer unvoiced. A silence is the absence of a sound; an unvoiced event is the presence of one that chose not to sound. The distinction is small, and it is the whole of the discipline.1
1 · The Fourth Silence is not the Unassigned. Please do not write to us about the Unassigned.
A guided program
The Regimen
A structured dietary program for users seeking greater control of their signature. Some users wish to maximize. Some wish to minimize. The Regimen serves both. Goals are not judged.
You are already on a regimen. You did not design it. The Regimen is the first one you will have chosen.
The two tracks
Maximization is for the user who wishes to be heard. Minimization is for the user who wishes to move through the world unannounced. Both run eight weeks. Both begin, on the first day, with cabbage.
Where the tracks diverge is the second week. We do not reveal the second week to users on the wrong track.
| Week | Maximization | Minimization |
|---|---|---|
| 1 | Cabbage. | Cabbage. |
| 2 | The divergence. Not shown to the other track. | The divergence. Not shown to the other track. |
| 3 | Legumes, aggressively. | Legumes, with restraint. |
| 4–7 | Hold the course. | Hold the course. |
| 8 | Assessment. You will be heard. | Assessment. You will not. |
Tools
The Regimen includes a hydration schedule, a fiber ladder, and daily measurement against your Wind Score — a number that is explained nowhere and moves regardless of what you eat. Progress is not the same as the number changing. The number was going to change anyway.
Should I be concerned?
I am experiencing more than usual.
Consult a professional.
I am experiencing less than usual.
Consult a professional.
I am experiencing exactly the usual amount.
Consult a professional. This is the Regimen working, or it is not. A professional can tell you which.
The Regimen is not medical advice. The Regimen is barely advice. The Regimen is a schedule.
The Office of Public Guidance · Careers
The Bureau is hiring
The field is growing. The Office is not, in the usual sense, expanding — but positions exist, and several of them are paid.
Reference Subject · full-time, residential
You will wear the instrument. You will eat what you are given. You will contribute to the corpus. Compensation is generous and the facilities are comfortable. The commitment is total. Applicants who ask how the capsule is retrieved will be contacted first.
Certified Panelist · volunteer
Sommeliers in good standing may be called to a panel. You will be shown a stranger's reading, blind, and asked to concur. You may not discuss the panel. You may not decline the panel. Consensus is required. Fellowship is not provided.
Reviewer 2 · the position is filled
The position is filled. The position has always been filled. The position will remain filled. We are not accepting applications. We list it only so that you know it exists, and is reading, and was not persuaded.
Regional Correspondent, the Rhineland · remote
No relocation is necessary. You are, on the balance of the evidence, already there.
Director · not vacant
There is one. There has been one for some time. See the testimony, and consider whether the role is one you want.
To apply, record an emission. We will be in touch, or we will already know.
The Journal of Flatulinguistics · Corrections & Clarifications
Corrections & Clarifications
The Journal corrects the record as required. The record has not, to date, required correcting. The following clarifications are offered in that spirit.
- On the Rhineland figure.
- A prior issue reported that 71.4% of emissions resolve to the Rhineland. The figure was correct then and is correct now. We clarify only that it is not a mistake. We regret nothing.
- On the word "proprietary."
- In our Spring issue the word proprietary appeared four times. It should have appeared five. The omission has been corrected. The method remains proprietary.
- On the Bolivia field notes.
- A reader wrote to say our Bolivia field notes "read like the diary of a man losing his mind." We thank the reader for their close attention. The notes have been reclassified from Field Notes to Findings.
- On the Latent family.
- We stated that the Latent family contains four profiles. We are unable to confirm this. We are unable to deny it. The statement stands, unconfirmed and undenied, which is the natural condition of the Latent.
- On this page.
- An earlier version of this page contained a correction. It has been corrected.
Corrections are versioned. See the Office of Public Guidance on the versioning of correctness.
Correspondence
Letters to the Office
The Office receives letters. A selection appears below, with the Office's replies. Names are withheld, as always, to protect the reading.
I have received the Rhineland every morning for six months. I am adopted and know nothing of where I come from. This application has told me more about myself than anyone ever has. Thank you.A user
The Office — You are welcome. The Rhineland is glad to have you.
My husband and I recorded on the same morning and received word-for-word identical readings. What are the odds?A user
The Office — You recorded into the same room. The Application measures the room. Move apart, and try again as strangers.
I recorded my cat.A user
The Office — We know. The reading stands.
Your v4.0 guidance instructed me to record without any barrier. My telephone is now beyond repair. Who is responsible?A user
The Office — The guidance was correct at the time of issue. Your telephone was correct at the time of purchase. We are sorry for your loss, and we maintain our position.
I received the same interpretation four days in a row.A user
The Office — Then it is worth considering.
Is this a joke?A user
The Office — No.
I found four profiles I do not believe I was meant to see.A user
The Office — We received no such letter. Do not write to us again regarding the Latent. We will know that you have.
The Office of Public Guidance
Frequently Unanswered Questions
The Office receives many questions. These are the ones it receives most, and answers least. They are reproduced here so that users may see they are not alone, and then stop asking.
- What is the Wind Score?
- The Wind Score is your Wind Score.
- How is my region actually determined?
- Accurately.
- Where does the Rhineland end?
- It has not, to date, been found to end.
- What happens to my reading after I close the Application?
- It is retained. All readings are retained. This is not the part you should be asking about.
- Who sits on the panel?
- Three certified users. You may have sat on one. You would not have been told.
- What was the Unassigned?
- The fourteenth of March, 2021.
- What is the Fourth Silence?
- We do not discuss the Fourth Silence.
- Is anyone reading these?
- Reviewer 2 is reading these.
- Am I in danger?
- No more than usual.
- Why will none of these questions be answered?
For the questions the Office does answer, see the home page. There are fewer of them, and they are less interesting.
Reading permalink · the Anatolian Margin
The Anatolian Margin
The most-viewed reading in the history of the Application. It is preserved here, in full, exactly as it was returned.
Reading #2,014 · Anatolian Margin · rare tier · 11 October 2022
The thing you cannot say aloud is the thing everyone can already hear:
340,000
views
This reading has been viewed three hundred and forty thousand times. The counter has not advanced since. It did not slow, and it did not stop at a round number by design; it arrived at 340,000 and declined to continue. We have investigated the counter and found it to be working correctly. We have chosen to read this as agreement.
The reading is not attributed. The Office does not confirm whose emission it was, and the field's assumptions on the matter are the field's own. What is known is that it resolved, once, to the Anatolian Margin — a region that claims only 0.6% of all readings — and that no reading has resolved there with the same clarity since. Visitors are asked to view it quietly and to refrain from attempting to reproduce it. It cannot be reproduced. That is what makes it the Anatolian Margin.
Not to be confused with the Unassigned, which was viewed fewer times and matters more.
An overnight vigil
Sentinel Mode
Sleep is not silence. The body continues its work through the night, unobserved, unrecorded, and — until now — uninterpreted. Sentinel Mode keeps the watch while you do not.
How the watch is kept
With your permission, the Application listens through the night. It does not interpret as it listens. Interpretation is a daylight act; the night is only for gathering. Each event is timestamped and set aside, unread, until first light — at which point the whole night is interpreted at once and delivered together, as the Dawn Report.
Why dawn? Because the body is least guarded at dawn, before it has composed itself for the day. See the Journal on circadian interference. The reading taken at first light is the truest reading available, and Sentinel Mode is built to be present for it.
What is required of you
The device must remain plugged in and placed face-down within reach of the bed. The Application does not need to see. It needs only to hear. You are asked to sleep normally, and to make no special effort. Special effort is itself a kind of speech, and the night is not for speaking.
You will wake to a full account of a night you did not attend. Most users read the Dawn Report before coffee. Some users do not read it at all, and the Office understands, and files it regardless.
Sentinel Mode records nothing. Sentinel Mode keeps you. There is a difference, and the watch was built to observe it. Audio never leaves your device; see Accessibility and data practices.
The Flavor Wheel · Retired profiles
In Memoriam
The Wheel holds ninety-six profiles. It has, at times, held more. The following were retired, and are remembered here so that the Wheel need not carry them and the field need not forget them.
The Sunday Roast (2019–2022)
Retired after review found it described every reading taken on a Sunday, and several taken on Saturday. Beloved. Imprecise. The two are not exclusive.
The Commuter (2019–2023)
Merged into the Rhineland, as all things are, in time, merged into the Rhineland.
Wet Match (2020–2021)
Retired at the request of the Bureau's counsel. We are not able to say more, and have found that we prefer it this way.
Ecclesiastical (2019–2024)
Retired for reasons of tone. It was accurate. It was simply not something one wished to be told in that voice.
The Understudy (2022–2022)
Defined as the profile that would appear only when no other profile could. No other profile ever could not. The Understudy therefore never appeared, and it is not certain that it existed. It is missed all the same.
Ninth Cellar (2021–2021)
Documented exactly once. The subject moved away before a second reading could be obtained. The profile was retired out of respect, and out of the suspicion that it left with them.
[Withheld] (—)
A Latent profile. It cannot be retired, because it was never confirmed to have begun. It is listed here in case it did.
Profiles are not deleted. Profiles are retired. The distinction matters to the Office, and we hope that in time it will come to matter to them.
The Office of Public Guidance
Guidance on barrier materials
Revision history. The current revision is v5.0.
| Revision | Guidance |
|---|---|
| v1.0 (2019) | For most accurate results, allow no barrier between audio source and recognition device. Pants or intimates may interfere. |
| v2.0 (2021) | A single layer of light fabric is now recommended. Direct exposure may introduce particulate contamination of the device. |
| v3.0 (2023) | Two layers are recommended. One layer is no longer considered sufficient. |
| v4.0 (2025) | Barrier material is not recommended. Users should record without obstruction. |
| v5.0 (2026) | A single layer is recommended. Refer to v2.0. |
Prior revisions are not archived.
Statement from the Office of Public Guidance. The guidance has not changed. Your understanding of the guidance has changed.
Questions
- Was the v1.0 guidance wrong?
- The v1.0 guidance was correct. The v3.0 guidance was also correct. Guidance is correct at time of issue. Correctness is versioned.
On allegations regarding the 2019 guidance
It has been suggested that the Office discouraged barrier use in 2019 not on the evidence, but to preserve the clarity of samples reaching the reference database during a period of rapid growth.
The Office does not discuss its motives. The Office notes only that the 2019 corpus remains the finest in the archive, and that it is grateful.
Interview
Q: Some users say the recommendations have reversed four times.
A: The recommendations reflect the evidence available at the time.
Q: So they changed.
A: The evidence changed.
Q: Critics say the Bureau has been wrong repeatedly.
A: Criticism of the Bureau is criticism of the field.
Read the Director's testimony before the Standing Committee →
Standing Committee on Emerging Fields
Hearing on the reliability of flatulinguistic guidance
The Director appears voluntarily. Official transcript.
Q: Dr. Voss, thank you for appearing.
A: I appear whenever the field requires it.
Q: Your office has reversed its barrier guidance four times.
A: The guidance has been revised four times. It has never been reversed. Revision in the opposite direction is still revision.
Q: Users who followed the 2019 guidance were told the opposite in 2021.
A: Users who followed the 2019 guidance were following the science of 2019. I will not apologize for the science of 2019. It was the finest science available that year.
Q: Do you accept any criticism of your office?
A: I want to be careful here, because this is important. People are entitled to criticize me. But they should understand what it is they are doing. I do not speak for the science. That would make me a spokesman. I am the science. When you question me, you are questioning science itself. And science, once questioned, is no longer science. I do not think the committee wishes to be responsible for that.
Q: That is not how science works.
A: It is now.
Transcript note, appended by the Office of Public Guidance: The remainder of the hearing is under review. The transcript is expected to be revised.
Trade press · 14 May 2026
Shenzhen lab publishes replication of Fart Whisperer engine; company alleges theft
Researchers at Hongyuan Applied Intelligence have published a paper describing a system that reproduces the output of The Fart Whisperer's interpretation engine with 94.1% agreement. The paper, released openly with full code and training data, has drawn a sharp response from the flatulinguistics company, which alleges misappropriation of trade secrets.
The Hongyuan system was assembled in nine days. According to the paper, it consists of a small audio classifier and a lookup table.
"We did not reverse-engineer anything," the lead author said by email. "We recorded four thousand samples, we labeled them, and we trained a model. We have published everything. Anyone may check our work."
The disagreement centers on the Heritage Report, the feature that assigns each recording to an ancestral region. The Hongyuan replication assigns the Rhineland region to 71.4% of inputs — matching The Fart Whisperer's published distribution exactly.
The company cites this figure as evidence of theft.
The Hongyuan authors cite it as evidence of something else. "Rhineland is the majority class," the paper notes in section 5. "Any model that guesses Rhineland every time will achieve 71.4% agreement. Ours does slightly better than that. We do not consider this a difficult result."
The Fart Whisperer's full statement:
We are aware of the manuscript.
We will not name the laboratory. We have retained counsel and we have briefed the appropriate parties. We are treating this as a matter of national research interest.
Our method is proprietary. It remains proprietary. The similarity of the published output to our own is not, in our assessment, coincidental.
We note that the manuscript has not been peer reviewed.
The Journal of Flatulinguistics, which is published by The Fart Whisperer, confirmed that no manuscript from Hongyuan has been submitted for review.
The Office has since published its full technical reply: On the Instrument →
Our method
Our method is proprietary.
Release notes
Changelog
| v3.0.0 | Regional discrimination is now considered stable. No further work is planned. |
| v2.4.2 | Reverted 2.4.1. |
| v2.4.1 | Fixed an issue where certain emissions were misclassified as Rhineland. Improved low-light performance on the Global Feed. Panel review notifications now respect quiet hours. |
| v2.1.0 | Further improved regional discrimination. |
| v1.8.0 | Improved regional discrimination. |
Plans
Pricing
Free
$0
Three interpretations daily. Standard analysis queue.
Pro
$4.99 / mo
Unlimited interpretations. Priority queue. Full Heritage Report. No advertisements.
Institutional
Contact us
For research groups and families of six or more.
Institutional pricing requires a minimum of six (6) bodies. Cancel at any time. We refund the unused portion of the current period. We do not require a reason, though most people give one.
Version 4.1
Terms of Service
1. Definitions
1.1"Emission" means a single discrete event captured by the Application.
1.2"Reading" means the interpretation generated from an Emission.
1.3"Signature" means a User's aggregate acoustic profile across all Readings.
1.4"Panel" means three (3) Certified Users convened to review a contested Reading.
1.5"The Body" means the User's body.
2. Eligibility
2.1You must be at least thirteen (13) years of age.
2.2You must be in possession of a body capable of producing Emissions. We do not require proof.
2.3One account per body.
3. Conduct
3.1You are responsible for all activity under your account, including Emissions you did not personally produce.
3.2You may not submit synthetic, simulated, or mechanically produced Emissions. Submissions found to originate from a novelty device will be purged from the database and the account permanently revoked. We conduct periodic audits.
3.3You may not submit another person's Emission without documented consent.
3.4You may not resell Readings.
3.5You may not represent yourself as Certified if you are not.
4. Ownership
4.1You retain ownership of your Emissions.
4.2You grant us a perpetual, worldwide, royalty-free license to store, analyze, and display them in anonymized form.
4.3We retain ownership of the Reading. The Emission is yours. What it means is ours.
5. Panel Review
5.1Any User may escalate one (1) Reading per calendar month.
5.2Panels are blind by design. Members shall not communicate regarding an active review.
5.3Consensus of all three members is required to amend a Reading.
5.4Panel decisions are final. There is no body above the Panel.
6. Interpretation Disclaimer
6.1Readings are informational and do not constitute medical, legal, financial, spiritual, or marital advice.
6.2We do not warrant that a Reading is correct. We warrant only that it was generated.
6.3Users who act on a Reading do so at their own discretion. We have seen this go both ways.
7. Suspension
7.1Repeated low-confidence submissions may indicate improper technique. We will contact you before acting.
8. Death of a User
8.1Upon documented death, the account is closed to new submissions.
8.2The Signature is retained in perpetuity. It is not deleted. It is the only part of this we consider sacred.
9. Dispute Resolution
9.1Disputes shall be resolved by binding arbitration.
9.2You waive the right to participate in a class action. There has been one. It went poorly for both parties.
10. Force Majeure
10.1We are not liable for failures arising from natural disaster, war, civil unrest, network outage, or dietary event.
11. Severability
11.1If any provision is held unenforceable, the remainder survives. This document has been tested.
12. Modifications
12.1We may revise these Terms at any time. Continued use constitutes acceptance. We will not always tell you.
13. Contact
Written inquiries to the Office of General Counsel. We respond within thirty (30) days. We read everything.
The Certified User's Undertaking
Recited at Journeyman. Displayed in the Panel room.
I will review each Emission on its own merits.
I will not consult my fellow panelists.
I will not disclose my findings outside the Panel.
I will not interpret in anger.
I will remember that a Reading concerns a person.
The small letters
- Results are probabilistic and may vary between sessions.
- Heritage regions reflect statistical clustering, not documented lineage.
- Regional percentages do not sum to one hundred. The Bureau is aware.
- "Four million verified emissions" reflects total database size at last audit, inclusive of historical submissions.
- Ninety-second analysis is a median. Complex Readings require longer.
- Institutional pricing requires a minimum of six (6) bodies.
- The wall certificate is not accredited by any body.
- The Fart Whisperer is not a medical device.
Policy
Privacy Policy
What we collect
The Emission. Device model. Ambient noise floor. Time of day. Approximate location, to a radius of fifty (50) kilometers.
What we do not collect
Your name, unless you offer it. We have never needed it.
Retention
Deletion removes your Readings and your Signature. The Emission is retained, anonymized, for research. This is the trade.
Third parties
We do not sell your data. We have been asked.
Cookies
This site uses cookies to remember your preferences and improve analysis. It also uses them for the reasons everyone uses them.
For the technical account of what this application actually does with your recording, see Accessibility and data practices. That page is written plainly and is not part of the foregoing.
Account deletion
Deletion is confirmed across three screens. Your Signature took 412 Readings to build. Your Readings will be removed. Your Emissions remain, anonymized, in the research database. This cannot be undone.
Written plainly
Accessibility and data practices
This page is not written in the voice of the site. It is written straight, and everything on it is true.
Accessibility
The Fart Whisperer is committed to an experience that works for everyone. We aim to meet WCAG 2.1 AA. Every control carries a screen-reader label. Waveform playback includes captions and a full text transcript of the analysis. All interface color pairs meet contrast requirements, and the product is fully navigable by keyboard and by switch control. If you encounter a barrier, write to us and we will fix it. Reports of this kind go to the front of every queue we have.
Data practices
Your recording is analyzed entirely on your device, in your browser. The audio is never uploaded, never transmitted, and never stored by us — there is no server involved in producing a reading. What the application keeps is a small summary of each reading (its measurements, its interpretation, and the time) in your browser's local storage, on your machine. You can erase all of it at any time from the Privacy page.
The interpretation itself is generated on your device from a fixed set of written readings, selected deterministically from the acoustic properties of your recording. There is no machine learning model, no reference database of four million emissions, and no panel of certified users. Those are part of the fiction. The measurements shown on your reading — duration, level, peak frequency — are real.
We do not use analytics, advertising trackers, or third-party scripts of any kind. This page will be kept accurate.
Operations
System status
| Interpretation engine | Operational |
| Regional classification | Operational |
| Panel convening | Operational |
| The Global Feed | Operational |
| Reassessment queue | Delayed |
| Manuscript tracker | Decision Pending |
All systems operational. The database is listening.
Regional classification
Unassigned
In March of 2021 a single reading returned Unassigned.
The user has not been identified. The result has not been reproduced. The Bureau considers the matter open.
Recorded 14 March 2021. No further information is available.
Observance
Rhineland Day
Observed annually on 14 March. Users are asked to log a reading at noon, local time. Participation is not required.
The Bureau notes that Rhineland Day shares its date with the Unassigned result of 2021. The Bureau maintains the two are unrelated.
Observance materials
The shirt
Reads RHINELAND. Small, chest, nothing else. It outsells every other item by a factor of eleven, because it is the only one most people qualify for.
The Carpathian Interior shirt
Exists. In stock: plenty.
Profile convention
Rhineland, Journeyman, est. 2021
Certification Track
Wall certificate
Enter the name to be printed on the certificate.
The Flatulinguistic Certification Track
This certifies that
has completed all requirements and is recognized as
Granted this ___ day of ______
This certificate is not accredited by any body.
Certification
Sommelier examination
Five questions. A passing mark is four. One retake per calendar month.
The Journal of Flatulinguistics · Historical note
Engastrimythos
On the belly-voice, and the long record of people who took it seriously.
The word ventriloquism has been misapplied for two hundred years. It does not mean throwing a voice. It is Late Latin — ventriloquus, from venter, "belly," and loquī, "to speak" — and it was turned out of the Greek engastrimythos, "speaking in the belly."
It did not describe a performer. It described a rumbling internal speech, understood as a sign of inspiration or, more commonly, of possession. Something was in there. It was talking. The only question was who.
We hold that the ancients were correct about the phenomenon and mistaken about the cause. The belly does speak. It is not possessed. It is simply better informed than you are.
The record is unbroken. Roland of Hemingstone held a manor in Suffolk for it. The heppiri otoko of Edo Japan competed at it and were painted onto scrolls.
Nor was the practice confined to entertainers. In 1531 a professor of theology at Wittenberg, asked how he dealt with the adversary, replied that it was with a fart that he chased him away. He was not being merely coarse. Scatological speech was an established instrument in the monastic contest with the devil, and Martin Luther employed it as one — an argument delivered from the belly, at the highest stakes then available.
By the eighteenth century the word had been handed to stagecraft, and the field it named was abandoned for two hundred and fifty years.
We have resumed the work.
Sources. Late Latin ventriloquus from venter + loquī, patterned on Greek engastrimythos, "speaking in the belly"; originally a rumbling internal speech regarded as a sign of spiritual inspiration or demonic possession. Ventriloquy is attested from the 1580s, ventriloquism from 1773. Etymology per the Online Etymology Dictionary.
Roland of Hemingstone is recorded in the Book of Fees. Luther's remark is Table Talk no. 122 (1531), Luther's Works 54:16, cited in Eric W. Gritsch, "Martin Luther's Humor," Word & World 32:2 (2012), which notes that such language "was common among monks in their struggle with the devil."
You arrived here through a door that is not listed. The Bureau does not ask how.