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 Russian speech of the Substack audio post and writes the show notes from that text.
Substack
Substack audio post to show notes in Russian
Substack audio post to show notes in Russian: 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
A Russian Substack audio post is read once and comes back as the show notes. The answer keeps the sections Episode summary, Chapters, Quotes and the time of every line, and the free plan gives 3 files a day of up to 30 minutes.
How to get the file and turn it into show notes
- 1
Record or upload the file
The audio is recorded or uploaded as an MP3, a WAV or an ACC file, and the processing of the file is waited for
- 2
Attach the recording
The engine takes the Substack audio post from the widget of the page; the speech is in Russian, and the show notes comes back with the timecodes.
- 3
Apply the instruction of the task
The instruction of the task asks for the show notes and puts the answer about the Substack audio post into the sections Episode summary, Chapters, Quotes; a claim that is not in the recording is not written.
- 4
Tell the engine what it hears
The engine reads 99+ languages; the speech of this Substack audio post is in Russian, and the widget carries that setting for the show notes.
- 5
Check the file before the upload
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
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 audio file is recorded in the app or uploaded, and the transcript is opened with the transcript icon when the file has been processed. The Substack audio post is only the input: the engine reads the Russian speech and writes the show notes out of the transcript.
Tips
Send the transcript to the instruction only once.
The engine does not translate the Substack audio post from Russian.
Check who may download the file of 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.
Questions about Substack audio post and show notes
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 show notes.
How is the show notes built from the Substack audio post?
The engine reads the Russian speech and the instruction writes the show notes in the sections Episode summary, Chapters, Quotes; every line comes from the transcript 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 show notes.
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 customer call to ticket en
The same task on another recording, with the same steps and the same sections.
Podcast episode to show notesThe 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