From recordings · Audio to video

Give your audio something to watch.

Upload an audio lecture, a podcast episode or a voice note. Lecture Studio cleans the sound and builds the visuals around it: a classroom board, animated diagrams, key lines and captions.

Free to try · no card · your file is private

What you put in

Audio / podcast

  • Recorded audio lectures
  • Podcast episodes
  • Voice notes
  • Radio and interview audio

What you get back

A finished video lesson

  • Studio sound
  • A board or animated visuals for every idea
  • Big word-by-word captions
  • Quizzes and chapter markers

How it works

Three steps. No timeline to edit.

  1. 1Upload the audio

    Any length, any format.

  2. 2We build the picture

    Each idea gets a visual: a diagram, a key line, a board or a picture.

  3. 3Get the video

    A lesson students can watch, not just hear.

Try it free with your own file.Drop it on the dashboard. You only sign up when you press convert.
Open the dashboard

Every effect in the engine

24 effects, applied for you.

Everything below is part of a Audio to video conversion. You can switch any of it off before the video is made.

Layouts and presenters 3

  • Animated Lecture (full screen)Your slide fills the screen and builds itself in time with what you say.
  • PodcastA podcast-style film: you stay on screen, carried by big word-by-word captions and a few designed moments.
  • Podcast designed momentsTitle card, emphasis line, question or definition box, items that arrive as spoken, a percentage ring and a name strip.

Teaching visuals 5

  • Voice waveformA waveform recorded against a timer, then how close a copy gets.
  • DefinitionA term and its definition filling in word by word as you read it.
  • Spoken listA list that arrives line by line as you say each point.
  • Flow diagramNodes, decisions and branches drawn in turn.
  • TimelineA line that draws as far as the lecture has reached, with dated events.

Classroom board 2

  • Classroom Board - WhiteboardA whiteboard that writes itself, stroke by stroke, on the words you say.
  • Classroom Board - BlackboardThe same board in chalk on a blackboard, used where the screen around it is light.

Pictures and footage 3

  • Image B-RollsA picture made for your exact sentence, shown with a slow zoom or pan.
  • Video B-Roll (Animated)Short drawn illustrations of the idea, free and unable to invent facts.
  • Stock B-RollsReal free footage of places and things, used only where the sentence plainly names them.

Learning and quizzes 2

  • Learning Objectives and Key TakeawaysOpens with what students will learn and closes with what they should remember.
  • Quick CheckFive multiple-choice questions after each concept, with a countdown and the answer explained.

Captions and access 2

  • Transcript and CaptionsBurned-in captions that light each word as it is said.
  • Caption files (VTT, SRT)A separate caption file for your LMS or video player.

Cleanup 3

  • Studio SoundCleans room noise, hiss and boxy microphone sound and evens out the loudness.
  • Retake removalWhen you say 'cut, take one' and repeat a line, only your good take is kept.
  • Checks on every filmRe-listens to the finished film, checks lip sync to one frame and refuses mismatched files before delivery.

Branding 2

  • Logo (eight corner styles)Your crest in the corner all the way through, as a watermark, bug, glass badge or one of five other styles.
  • Intro and outro video logoYour institution's video logo at the start and end of every film.

Delivery 2

  • Chapter to seriesTurns every chapter of a module into a series of films and one SCORM package.
  • 1080p full-length filmThe finished film at 1920x1080, full length.

Made for

Who uses Audio to video.

Questions

Before you start.

Do I need any visuals?

No. Everything on screen is made from what is said.

Can I show my photo?

Yes, as a still with a moving waveform, or not at all.

Will my voice be changed?

Only cleaned. It stays your voice.

More ways to make a video

Start from whatever you have.

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