AuStudio: Multitrack Recorder

Record your voice, layer it with music or video, and polish it into a finished mix — all on your phone. AuStudio is a multitrack voice recorder and audio editor. Record on separate tracks, trim and arrange clips on a zoomable timeline, add effects, balance everything in the mixer and export. You can also record a voice-over for a video and hear it in sync while you speak. Record • Record onto separate tracks, with a 3-2-1 count-in if you want one • Watch the input level while you record, and pause and resume any time • Hear your own voice while recording with wired or USB headphones • Record the same spot again: every take is kept, and you pick the one you like • If the app is interrupted, unfinished recordings are recovered Voice-over on video • Pick a video from your phone: its sound goes on its own track • The video plays in sync while you record your voice • Voice ducking lowers the music and the original sound while you speak • Export a finished MP4 with your voice and the original sound mixed together Edit on the timeline • Zoom, trim, split at the playhead, duplicate and move clips, with snapping • Fade in and out, change the gain, reverse, change the tempo without changing the pitch, or normalize • Undo and redo, and your project saves itself as you work • Import audio from your phone onto any track 12 effects and ready-made presets Equalizer, Compressor, Limiter, Noise Gate, De-esser, Reverb, Echo, Tape Delay, Phaser, Change Pitch, Noise Reduction and Censor Bleep. Start from a preset such as Voice Clean, Podcast, Telephone, Small Room, Hall or Slapback, then adjust it. Apply an effect to a clip, to a selection or to the master output. Mix and export • A mixer with volume, pan, mute and solo for each track, plus master effects • Playback and export use the same mixing engine, so the file sounds like what you heard • Export WAV (lossless), M4A (AAC) or MP4 (video), and share it from the app Private and offline • Everything stays on your phone. No account and no internet connection needed • The microphone is requested only when you tap Record • Light and dark themes, in English and Vietnamese Great for voice-overs, podcasts, narration, demos and voice notes. Only record people who know about it, and respect their privacy.

First release: multitrack recording, voice-over on video, timeline editing, 12 effects with presets, a mixer with voice ducking, and WAV / M4A / MP4 export. Light and dark themes, in English and Vietnamese.