Audio Lecture Notes — Convert Recorded Lectures into Study Materials (Premium)
Clario Premium transcribes your recorded audio lectures and converts them into organized notes, flashcards, and practice questions — capturing everything your professor said.
Try Audio Lecture Notes FreeNo credit card required. 3 free study packs to start.
How It Works
- Upload your lecture recording
Drop in your MP3, WAV, M4A, AAC, OGG, FLAC, or WebM audio file. Clario Premium processes recordings of any length. - Clario transcribes your lecture
Deepgram Nova-3 English transcription converts spoken words to text with high accuracy, capturing your professor's explanations, examples, and emphasis. - AI generates organized study materials
The transcript is processed to extract key concepts, organize them by topic, and generate an AI summary, flashcards, and practice questions. - Complete study pack ready to review
Your audio lecture becomes a searchable text-based study system — summary, flashcards, quiz, and exam prep — all in one place.
Audio Lecture Notes vs. Manual Methods
| Without Clario | With Clario |
|---|---|
| Listening to a 90-minute lecture recording multiple times to review | Upload recording, get organized study materials in minutes (Premium) |
| Taking notes during lecture while missing subsequent content | Record lecture and upload — Clario captures everything |
| Transcribing lectures manually — hours of work per recording | Automatic transcription and study material generation |
| Recordings sitting in a folder, rarely revisited | Every recording becomes an active study pack |
Benefits
- Captures every explanation, example, and nuance your professor provides verbally
- Converts lengthy recordings into efficient study materials in minutes
- Never miss high-yield content from recorded online lectures
- Study from the actual words your professor used — not a third-party source
- Flashcards built from transcribed lecture content cover exactly what was covered in class
- Ideal for recorded online courses, podcast-format lectures, and missed in-person lectures
Frequently Asked Questions
Is audio lecture processing available on all plans?
Audio and video lecture processing is a Premium feature. Free trial and Essential subscribers can upload PDFs, PPTX, DOCX, and images. Premium subscribers also have access to audio (MP3, WAV, M4A, AAC, OGG, FLAC, WMA, WebM) and video (MP4, AVI, MOV, MKV, WMV, 3GP) file processing.
How accurate is the transcription?
Clario uses Deepgram Nova-3 English, a state-of-the-art transcription model optimized for lecture and educational content. Accuracy is high for clearly recorded audio with minimal background noise. Quality is best with: recordings of a single clear speaker, minimal background noise, and standard academic English pronunciation.
How long can the audio file be?
Clario processes audio files of any length. Longer recordings take proportionally longer to process. A 90-minute lecture typically processes in 5-10 minutes. You will receive a notification when processing is complete.