“audio”

Audio

audiojs

Edit, analyze and convert audio: loudness, spec checks, denoise, EQ, cuts, BPM, key.

Audio perception for AI agents: measure, see, compare, edit and synthesize sound locally.

Cuts an audio file down to the start and end times you choose.

Joins several audio files into one track with optional crossfade.

Precise metronome built on the Web Audio clock with tempo control and several time subdivisions.

Transcribes audio into a MIDI file and can render it with soundfonts.

Reduces background noise in a recording.

Converts an audio file from one format to another in the browser.

Raises audio of any quality to 48 kHz with AudioSR.

Generates lip-synced or audio-reactive video from an image and an audio track.

Attaches an audio track to a video file.

Joins several audio files end to end into one file.

Upsamples low-quality audio to a higher sampling rate using a neural model.

Speeds up or slows down an audio file by a chosen factor, processing it locally in the browser.

Converts audio files to MP3, WAV, M4A, OGG and other formats.

Semantic search over audio clips powered by Transformers.js models running in the browser.

Library of ten-minute ambient soundscapes and music loops for running tabletop role-playing sessions.

Local-first audio analysis: BPM, musical key, production profile, and CLAP vibe embeddings.

Generates sound effects and short music loops from a text prompt.

Guardrailed video editing for AI agents: FFmpeg, captions, effects, Hyperframes, and receipts.

Edit Audionaut multitrack projects: cut, fade, analyse, export.

Compatibility package: mcp-video now installs Kinocut (formerly mcp-video).

Pulls the audio track out of a video file and saves it as a separate audio file.

Transcribes a solo piano recording into a MIDI file.