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Turn Any Lecture into Notes, Summaries, and Quizzes

Record class on your phone, upload, and get a searchable transcript plus an AI summary and quiz built from your own lecture. Free for files under 5 minutes.

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How do you record and transcribe a lecture?

How do you record and transcribe a lecture?

Record the lecture on your phone with the 1Transcribe iOS or Android app (or upload any existing recording), and OpenAI's Whisper models turn it into an accurate, searchable transcript in minutes. From the same transcript you can generate an AI summary and a quiz to study from. Recordings under 5 minutes are free; a single lecture can run up to 10 hours.

From lecture hall to study notes

Trying to type notes while actually listening is a losing game — you either capture the words or understand the idea, rarely both. Lecture transcription solves it: record the class, stay present, and read it back later as text you can search, highlight, and quote in essays.

1Transcribe has iOS and Android apps, so your phone is the recorder, plus Mac and Windows apps and a browser version for uploading recordings from any device. Whisper's accuracy — up to 99.9% on clear audio — holds up on the hard parts of real lectures: professors with accents, echoey halls, and dense technical terminology, in 99+ languages with automatic detection.

AI summaries and quizzes from your own lectures

This is where 1Transcribe goes beyond a plain transcript. Once a lecture is transcribed, you can generate study aids from it with one click:

  • AI summary — the key concepts, definitions, and takeaways from a two-hour lecture condensed into a page you can revise from.
  • AI quiz — practice questions generated from the actual lecture content, so you test yourself on exactly what your professor taught, not a generic textbook.
  • Searchable archive — every transcript is full-text searchable, so "where did she explain mitochondrial DNA?" is a search away at exam time.

Long lectures, seminars, and recorded courses

Lectures do not fit tools built for short clips. 1Transcribe handles a single recording up to 10 hours and 5 GB — a full seminar day, a three-hour lab briefing, or a downloaded course video — and you can batch upload 5 recordings to clear a week of classes at once. Video works too: upload an MP4 or MOV of a recorded Zoom lecture or an online course and the audio track is transcribed automatically. Export to DOCX, PDF, or TXT to merge transcripts into your own notes, or SRT if you want captions over the video.

Accessibility and note-taking accommodations

For students with disabilities — hearing impairments, ADHD, dyslexia, chronic illness, or injuries that make handwriting hard — transcription is more than a convenience. Many universities grant note-taking accommodations that permit recording lectures, and 1Transcribe turns those recordings into complete, accurate text so no student depends on borrowed notes. Recordings are private: files are never used to train AI models and are deleted after 14 days. As always, check your university's recording policy or your accommodations letter before recording.

Lecture transcription at a glance

AI engineOpenAI Whisper (latest models)
AccuracyUp to 99.9% on clear audio
Record on phoneYes — iOS and Android apps
Study aidsAI summaries and quizzes from each lecture
Max lecture length10 hours per file (5 GB)
Batch uploadUp to 5 recordings at once
Languages99+, with automatic detection
Video lecturesMP4, MOV, AVI, MKV, WEBM supported
ExportsDOCX, PDF, TXT, SRT
PrivacyNot used to train AI; deleted after 14 days
PriceFree under 5 min; Unlimited from US$4.17/mo billed yearly

How students use lecture transcription

Exam revision

Generate an AI summary and quiz from each lecture, then search the full transcripts when a past paper stumps you.

STEM courses

Whisper handles dense technical vocabulary, so formulas-heavy biology, medicine, and engineering lectures come out readable.

International students

Transcribe lectures in 99+ languages — or re-read a fast English lecture at your own pace instead of missing half of it live.

Note-taking accommodations

Students with approved accommodations get complete lecture text instead of depending on volunteer note-takers.

Online courses

Upload downloaded course videos or recorded Zoom classes and turn a whole module into searchable notes.

Study groups

Share the transcript and AI summary with your group so everyone revises from the same complete record.

One subscription · every device

Transcribe on your phone. Edit on your laptop. Dictate on your Mac or PC.

iOS
Android
Web
Mac
Windows

Why Professionals Choose 1Transcribe

Everything you need for perfect transcriptions, built for heavy users.

99.9% Accuracy with OpenAI Whisper

Powered by OpenAI's latest Whisper models. We handle accents, background noise, and technical jargon with ease.

Massive File Support

Upload files up to 10 hours long and 5GB in size. Perfect for long interviews, lectures, and court proceedings.

Smart Speaker Identification

Automatically detects and labels different speakers (Diarization), making your transcripts easy to read and edit.

99+ Languages Supported

From English to Spanish, French, Chinese, and more. We automatically detect the language for you.

All Media Formats

Transcribe Audio (MP3, WAV, M4A...), Video (MP4, MOV...), and extract text from PDFs and Images.

100% Secure & Private

Your files are yours alone. We don't use them for AI training, and they are automatically deleted after 14 days.

How to Transcribe a Lecture in Three Steps

Get your transcript ready in minutes by following these three simple steps

STEP 01

Upload your file

Drag and drop your audio, video, PDF, or image file. We support files up to 5GB.

STEP 02

AI Transcription

Our AI analyzes your file with 99.9% accuracy, identifying speakers and timestamps automatically.

STEP 03

Download & Export

Review your transcript and export it instantly in DOCX, PDF, SRT, or TXT formats.

Simple, Transparent Pricing

No hidden fees. No subscription traps. Cancel anytime.

Free

Free for short files (< 5min).

US$0 / forever
  • Upload any file type
  • Record Audio directly
  • Free for files under 5 minutes
  • Export in PDF, DOCX, TXT, SRT

Files longer than 5 minutes require a subscription.

Most Popular

Unlimited Monthly

Best for ongoing transcription work.

US$19.99 / month
  • Unlimited Transcription Minutes
  • Upload files up to 5GB & 10 Hours
  • Batch Upload (5 files at once)
  • Speaker Identification (Diarization)
  • 99.9% Accuracy with Whisper
  • Export in all formats (SRT included)
  • AI Summaries & Quizzes
  • Secure Cloud Storage
Get Unlimited Access
Best Value

Unlimited Yearly

Best value for regular users.

US$49.99 / year
≈ US$4.17 / month
  • Just US$4.17/month — save 79% vs monthly
  • Unlimited Transcription Minutes
  • Upload files up to 5GB & 10 Hours
  • Batch Upload (5 files at once)
  • Speaker Identification (Diarization)
  • 99.9% Accuracy with Whisper
  • Export in all formats (SRT included)
  • AI Summaries & Quizzes
  • Secure Cloud Storage
Get Unlimited Access

Plans auto-renew for your convenience. Cancel anytime in 1 click from your account settings.

“1Transcribe cut my transcription time from hours to minutes. Total game changer.”

— Sarah, Journalist

4.6 from 27,000+ reviews

Frequently Asked Questions

Everything you need to know about 1Transcribe.

How do I record a lecture for transcription?
Use the 1Transcribe app on iOS or Android to record directly on your phone, then transcribe in a tap. You can also upload recordings made with any voice-memo app, or video recordings of online classes — MP3, M4A, WAV, MP4, MOV and more are all supported.
Can it make study notes from a lecture?
Yes — this is what sets 1Transcribe apart. After transcribing, generate an AI summary of the key points and an AI quiz with practice questions built from that exact lecture, so you study your professor's actual material.
How long can a lecture recording be?
Up to 10 hours and 5 GB per file, so a full seminar day fits in one upload. You can also batch-upload 5 recordings at once to clear a backlog of classes.
Will it understand my professor's accent?
Almost certainly. OpenAI Whisper was trained on 680,000+ hours of diverse audio and is notably strong with accented speech, echoey rooms, and technical terminology — reaching up to 99.9% accuracy on clear audio.
Can I transcribe a recorded Zoom or online lecture?
Yes. Upload the video file (MP4, MOV, MKV, WEBM and more) and the audio track is transcribed automatically. You can export SRT subtitles if you want captions over the video.
Is lecture transcription free for students?
Clips under 5 minutes are free with no signup. For full lectures, Unlimited is US$19.99/month or US$49.99/year — about US$4.17/month, less than most tools' per-hour rates — and covers unlimited lectures. Cancel anytime, including after exam season.
Is it allowed to record lectures?
Policies vary by university and country. Many institutions permit personal-use recording, and students with note-taking accommodations usually have explicit permission. Check your student handbook or accommodations letter — and note that 1Transcribe keeps recordings private, never trains AI on them, and deletes files after 14 days.
Can I search across my old lectures?
Yes. Every transcript in your library is full-text searchable, so at exam time you can find where a concept was explained across a whole semester of recordings in seconds.
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