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Changelog

New features and improvements for AudioBuff

v1.4.0

More reliable voice model loading. Loudness measured to the international standard

Voice generation models now load reliably, and loudness normalization follows the international measurement standard so your export lands on the target you choose. Long audio is processed without freezing the page.

NewVoice generation WAV / MP3 exports now record that the audio is AI-generated (kept when you finish it in the audio editor)
NewStop a running transcription with "Cancel"
NewTrim handles, switches, and adding files work with a keyboard and screen readers
ImprovedLoudness is now measured per the international standard (ITU-R BS.1770), so exports match the target (LUFS) you choose, with clipping prevented after MP3 conversion
ImprovedThe page no longer freezes while adjusting loudness on long audio, and memory no longer keeps growing when you process repeatedly
ImprovedAI model downloads resume where they left off if interrupted, and you are told right away when storage is full
ImprovedPages load faster
FixedFixed voice model loading getting stuck at "Compiling"
FixedFixed transcription failing on devices where the GPU can't be used
FixedFixed transcription results and cuts applying to a different file or range
FixedFixed generation continuing with the previous voice when replacing the reference audio failed
v1.3.0

Simplified Chinese support

The interface and guides are now available in Simplified Chinese. Progress display for model loading and voice generation has also been improved.

NewSimplified Chinese for the interface, guides, and home page (/zh; transcription stays Japanese/English and voice generation English)
ImprovedModel download progress is shown accurately for High Quality transcription and voice generation
ImprovedVoice generation shows finer-grained progress and can be cancelled right away while generating
ImprovedClearer guidance when a model can't load due to insufficient memory (try the Standard model or close other tabs)
FixedAddressed a vulnerability in the framework we use (Next.js)
v1.2.0

Voice generation in the browser

Chatterbox-powered voice generation (Beta) now runs entirely in your browser. Clone a voice from 10–20 seconds of reference audio and finish the result with EQ — all in one tab.

NewOn-device voice generation via Chatterbox (clone a voice from reference audio)
NewOne-click handoff of generated audio to the EQ page for finishing
v1.1.0

Transcription in the browser

Whisper-powered on-device transcription is here. Edit audio and generate subtitles in a single workflow, without uploading anything.

NewOn-device transcription via Whisper (standard / high-quality model selection)
NewExport transcripts as SRT, VTT, or plain text
NewClick a transcript segment to cut it from the source audio
v1.0.0

Initial release

AudioBuff launched at audiobuff.app — a browser-only audio enhancement toolkit, no upload required.

New5-band parametric EQ plus high-pass filter, with 5 built-in presets and custom preset saving
NewLoudness normalization (-14 / -16 / -23 LUFS) and MP3 / WAV export
NewCompressor, silence trimming, and fade in / out
NewWaveform-handle trim editing