TL;DR

Last updated: April 2025

  • Upload any audio recording and get structured study notes — overview, key points, topic sections, and takeaways — in 20–60 seconds.
  • Works for lecture recordings, educational podcasts, voice notes, and any clear spoken audio.
  • Supports MP3, WAV, M4A, OGG, FLAC, AAC, and WEBM — up to 50MB per file.
  • The AI transcribes the audio then extracts key concepts and generates organised study notes in 50+ languages.
  • Free for 1 set per day with no signup required.

What Is an Audio to Notes Generator?

An audio to notes generator transcribes spoken audio content and automatically converts it into structured study notes. Instead of manually re-listening to lecture recordings or educational podcasts to take notes, you upload the audio file and receive organised notes with an overview, key points, topic sections, and takeaways — in under a minute.

Shinyu.ai uses Gemini AI to transcribe audio in 50+ languages and extract the key educational content into a proper set of study notes. It works for lecture recordings, educational podcasts, voice notes, and any audio with clear spoken content. If you prefer flashcards instead, use Audio to Flashcards — or generate MCQ quiz questions from the same recording.

How to Create Study Notes from an Audio Recording

  1. Click the upload area or drag and drop your audio file — lecture recording, podcast episode, or voice note.
  2. Click Generate Notes Free. The AI transcribes the audio and creates structured study notes — processing takes 20–60 seconds.
  3. Review your notes — copy individual sections or all notes at once with a single click.
  4. Sign up free to save your notes and generate flashcards or quizzes from the same recording.

Why Notes Beat Re-Listening to Lectures

Re-listening to a recorded lecture is one of the most time-consuming revision methods — a 60-minute lecture still takes 60 minutes the second time. Converting your lecture recording to structured notes means you capture all the key content from the audio once, in a format you can scan, copy, and use directly for revision — in under a minute.

Use the notes as a reference for understanding, then pair with Audio to Flashcards for active recall practice or Audio to Quiz for MCQ testing. All three tools work from the same audio file — no transcript copying or manual note-taking required.

Supported Audio Formats

MP3

WAV

M4A

OGG

FLAC

AAC

Best Audio Sources for Notes

  • University lecture recordings
  • Educational podcasts and interviews
  • Personal voice study notes
  • Language learning audio lessons
  • Recorded seminar and tutorial sessions
  • Medical and professional training audio

Frequently Asked Questions

How does the audio to notes generator work?

Upload your audio file and the AI transcribes the full spoken content using Gemini AI, identifies key topics and concepts from the transcript, then generates structured study notes with an overview, key points, topic sections, and takeaways automatically.

What audio formats are supported?

MP3, WAV, M4A, OGG, FLAC, AAC, and WEBM are all supported — up to 50MB per file. Most lecture recordings and podcast downloads will work without any conversion needed.

How long does processing take?

Transcription and note generation typically takes 20–60 seconds depending on recording length. A 30-minute lecture usually processes in under 60 seconds. Longer recordings may take slightly more time.

Does it work with educational podcasts?

Yes — educational podcasts work well. Download the episode as an MP3 and upload it directly. The AI transcribes the spoken content and extracts key concepts into structured study notes. Works best for content-heavy episodes with clear spoken educational material.

What languages are supported for transcription?

Gemini AI supports transcription in 50+ languages. Upload recordings in English, Hindi, Spanish, French, German, Mandarin, and many more. The notes are generated in the same language as the recording.

Is the audio notes generator free?

Yes. Generate 1 note sets from audio per day completely free with no signup. For unlimited generation from audio and all other sources, create a free Shinyu.ai account.

Can I generate flashcards or a quiz from my audio recording?

Yes — use Audio to Flashcards to generate question-and-answer revision cards from the same audio file, or Audio to Quiz for multiple-choice practice questions. All three tools work from the same upload — notes, flashcards, and quiz — with no copy-pasting required.

How is audio to notes different from audio to flashcards?

Audio to Notes produces structured written notes with an overview, key points, topic sections, and takeaways — designed for reading and reference. Audio to Flashcards converts the same content into question-and-answer cards for active recall practice. Use notes for understanding and flashcards for memorisation — both work from the same audio file.