Audacity opens an M4A file with the FFmpeg library: it allows the program to import and export a much larger range of audio formats, including M4A (AAC), AC3 and WMA.
M4A audio file to action items in English
M4A audio file to action items in English: send the file and get the text with the timecodes. One file may be up to 30 minutes on the free plan, no minute limit on Pro.
What the M4A stores is what the engine needs. The English speech becomes the table of action items in the sections Summary, Decisions, Action items; one file may be up to 30 minutes, and 3 files a day are free.
How to get the file and turn it into action items
- 1
Send it as a voice message
For a voice message the Telegram Bot API asks for an .OGG file encoded with OPUS, an .MP3 file or an .M4A file
- 2
Hand the file over
The engine takes the M4A audio file from the widget of the page; the speech is in English, and the table of action items comes back with the timecodes.
- 3
Give the transcript to the instruction
The ready instruction reads the transcript of the M4A audio file as the project manager, and the table of action items comes in the sections Summary, Decisions, Action items.
- 4
Name the language of the speech
The speech of the M4A audio file is English, one of the 99+ languages the engine reads, and the widget is left on English while the table of action items is written.
- 5
Check the file before the upload
A voice message of the Telegram Bot API is an .OGG file encoded with OPUS, an .MP3 file or an .M4A file
What comes back from the engine
- TXT
One segment per line, the way a person wrote it down. It is the format to paste into a ticket, a chat or a document.
- TXT, CSV
The start and the end time of every segment, and the speakers named separately when you ask for it.
- SRT, VTT
SRT and VTT with the time of every line, so the recording can carry its own subtitles.
- Markdown, DOCX
The transcript is edited through the API and exported as Markdown for a wiki, or as DOCX for a review.
What M4A keeps, and what it says about it
The Telegram Bot API takes an audio file only in the .MP3 or .M4A format, and it sends a voice message in the .OGG file encoded with OPUS, .MP3 or .M4A format.
Google Drive keeps the M4A among the files it stores: any file type can be stored in Drive, and the list of the audio formats it previews names MP3, MPEG, WAV, .ogg and .opus.
In the FAQ of the FFmpeg library of Audacity the M4A is written next to the codec it carries: M4A (AAC), AC3 and WMA.
A voice message of the Telegram Bot API is an .OGG file encoded with OPUS, an .MP3 file or an .M4A file.
up to 30 minutes on the free plan, no minute limit on Pro
$0: 3 files a day, up to 30 minutes per file, no card
$10 a month when you pay yearly ($120 a year), or $20 a month
What the recording does not give you
The file of the M4A audio file is what the M4A keeps. Google Drive keeps the M4A among the files it stores: any file type can be stored in Drive, and the list of the audio formats it previews names MP3, MPEG, WAV, .ogg and .opus. The engine reads the English speech, and the sections Summary, Decisions, Action items come out of it.
Tips
A name that was never said in the M4A audio file stays out of the table of action items.
The language of the widget is the language of the M4A audio file.
Take the file of the M4A audio file as soon as you have it.
Bots can currently send audio files of up to 50 MB in size, and the limit may be changed in the future.
Questions about M4A audio file and action items
Which problems can come with the M4A audio file?
Audacity opens an M4A file with the FFmpeg library: it allows the program to import and export a much larger range of audio formats, including M4A (AAC), AC3 and WMA. The engine does not change the file of the M4A audio file; it reads it as it is and writes the table of action items.
What does the M4A keep for the M4A audio file?
Bots can currently send audio files of up to 50 MB in size, and the limit may be changed in the future. The file of the M4A audio file is the input of the engine, and the table of action items is written from it.
Who reads the table of action items after the M4A audio file is sent?
the project manager. The transcript of the M4A audio file is read first, and the table of action items comes out of it in the sections Summary, Decisions, Action items.
What do I get without a card?
3 files a day of up to 30 minutes every day, and the export of the text in the formats of the service, so the table of action items comes back in every one of them.
Do I need an account for the M4A audio file?
The file of the M4A audio file and the widget are enough: the engine reads the English speech and writes the table of action items.
Related pages
The same task on another recording, with the same steps and the same sections.
Meeting to action itemsThe page of the task: the instruction that is written for it and an example of the answer.
Transcribe audio to textWhat the service does with a file: the formats of the export, the limits and the plans.
Sources
- MAudacity manual: FFmpeg Import/Export Library (read 2026-10-25)manual.audacityteam.org · checked
- CTelegram Bot API (read 2026-10-25)core.telegram.org · checked
- SGoogle Drive Help: Files you can store in Google Drive (read 2026-10-25)support.google.com · checked
- TTranscription service page (read 2026-10-25)transcrib.si · checked
- TPricing page (read 2026-10-25)transcrib.si · checked
Drop a recording — the text arrives in a minute
Speakers by name, a time on every line, export to TXT, SRT, VTT, CSV and Markdown.