What does the Substack say about the Substack audio post?
An audio post is made in the web version of the publication: Create and then Podcast. The engine reads the English speech of the Substack audio post and writes the task list from that text.
Substack
Substack audio post to a task list in English
Substack audio post to a task list 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.
3 files a day up to 30 minutes, free99+ languagesSpeaker separation and timestamps
In short
What the Substack stores is what the engine needs. The English speech becomes the task list in the sections Topic, Tasks, Ideas for later; one file may be up to 30 minutes, and 3 files a day are free.
How to get the file and turn it into a task list
- 1
Create the audio post
In the web version of the publication the author opens Create and then Podcast
- 2
Attach the recording
The file of the Substack audio post is attached in the widget of this page, and the speech is marked as English; the answer comes back as the task list.
- 3
Turn the text into the task list
The text of the Substack audio post is given to the instruction of the task list, and the answer is written in the sections Topic, Tasks, Ideas for later, one after another.
- 4
Set the language of the speech
The speech of the Substack audio post is English, one of the 99+ languages the engine reads, and the widget is left on English while the task list is written.
- 5
Check the file before the upload
The audio file of a post is an MP3, a WAV or an ACC 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 Substack keeps, and what it says about it
| What | What the platform says |
|---|---|
| Where the file is | An audio post is made in the web version of the publication: Create and then Podcast. |
| What the file is | The audio file is recorded in the app or uploaded, and the transcript is opened with the transcript icon when the file has been processed. |
| What can go wrong | A video post is recorded in the browser with the Recording Studio of Substack or uploaded with Select file. |
| What the platform says | The audio file of a post is an MP3, a WAV or an ACC file. |
| What the platform says | The transcript of a post can be edited, and a transcript file of the author can be uploaded as a .txt, .srt or .vtt 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 |
The case
What the recording does not give you
The file of the Substack audio post is what the Substack keeps. An audio post is made in the web version of the publication: Create and then Podcast. The engine reads the English speech, and the sections Topic, Tasks, Ideas for later come out of it.
Tips
A name that was never said in the Substack audio post stays out of the task list.
The language of the widget is the language of the Substack audio post.
Take the file of the Substack audio post as soon as you have it.
The recommended maximum size of a video upload is 20 GB, with a H.264 codec and an AAC audio codec.
Questions about Substack audio post and a task list
Which problems can come with the Substack audio post?
The recommended maximum size of a video upload is 20 GB, with a H.264 codec and an AAC audio codec. The engine does not change the file of the Substack audio post; it reads it as it is and writes the task list.
What comes back after the English Substack audio post is read?
the task list in the sections Topic, Tasks, Ideas for later, with the time of every line of the recording of the Substack audio post.
How long may the file be, and how much is free?
One file may be up to 30 minutes on the free plan, and the free plan gives 3 files a day for the task list.
Where does the file of the Substack audio post wait?
On the Substack. The facts of the table above name the place where the file of the Substack audio post is kept and the way it comes off.
Related pages
The same task on telegram voice chat to text lecture to flashcards ru
The same task on another recording, with the same steps and the same sections.
Voice memo to a task listThe 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
- SSubstack help: how can I generate a transcript of an audio post (read 2026-10-25)support.substack.com · checked
- SSubstack help: guide to video posts on Substack (read 2026-10-25)support.substack.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.
3 files a day up to 30 minutes, free99+ languagesSpeaker separation and timestamps