M4A audio file to a blog post in English
M4A audio file to a blog post 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.
Upload the M4A audio file and ask for the blog post. The speech is in English, the engine keeps the time of every line, and one file may be up to 30 minutes. The free plan gives 3 files a day.
How to get the file and turn it into a blog post
- 1
Open it in an audio program
The FFmpeg library of Audacity imports a much larger range of audio formats, including AC3, M4A, MP4 and WMA, so an M4A of a phone is opened with it
- 2
Send the file to the engine
The M4A audio file goes to the service through the upload widget; the speech is English, and the blog post comes back into the chat.
- 3
Give the transcript to the instruction
The instruction of the blog post is written for this task already: it reads the text of the M4A audio file and asks for Headline and lead, Outline, Draft, and it keeps every claim to the transcript.
- 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 blog post 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
- Where the file is
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.
- What the file is
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.
- What can go wrong
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.
- What the platform says
In the FAQ of the FFmpeg library of Audacity the M4A is written next to the codec it carries: M4A (AAC), AC3 and WMA.
- What the platform says
A voice message of the Telegram Bot API is an .OGG file encoded with OPUS, an .MP3 file or an .M4A file.
- Length of one file
up to 30 minutes on the free plan, no minute limit on Pro
- Free plan
$0: 3 files a day, up to 30 minutes per file, no card
- Pro plan
$10 a month when you pay yearly ($120 a year), or $20 a month
What the recording does not give you
The M4A audio file holds the voices and the order of the words. 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. From that text comes the blog post, in the sections Headline and lead, Outline, Draft.
Tips
The sections of the blog post are the same for every recording.
The engine does not translate the M4A audio file from English.
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 a blog post
What does the M4A say about 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 reads the English speech of the M4A audio file and writes the blog post from that text.
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 blog post is written from it.
Who reads the blog post after the M4A audio file is sent?
the author of the post. The transcript of the M4A audio file is read first, and the blog post comes out of it in the sections Headline and lead, Outline, Draft.
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 blog post 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 blog post.
Related pages
The same task on another recording, with the same steps and the same sections.
Video to a blog postThe 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
Reading: 4 minutesUpdated Transcribsi editorial team
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.