@radzor/audio-capture

Capture audio from the user's microphone using the Web Audio API and getUserMedia. Provides a real-time audio stream suitable for speech recognition, voice chat, or recording.

Audio & Voicev0.1.0typescriptvoicewebrtcmicrophonestreamingrecordingby Radzor

Install

View source on GitHub →

$npx radzor@latest add audio-capture

⚠ Constraints: Browser environment only. Requires HTTPS for getUserMedia. User must grant microphone permission.

Inputs

Name	Type	Default	Description
sampleRate	number	44100	Audio sample rate in Hz.
channels	number	1	Number of audio channels (1 = mono, 2 = stereo).
codec	string	opus	Audio codec to use for encoding (opus, pcm, aac).

sampleRatenumber

Audio sample rate in Hz.

default: 44100

channelsnumber

Number of audio channels (1 = mono, 2 = stereo).

default: 1

codecstring

Audio codec to use for encoding (opus, pcm, aac).

{ "llm": { "constraints": "Browser environment only. Requires HTTPS for getUserMedia. User must grant microphone permission.", "usageExamples": "llm/examples.md", "integrationPrompt": "llm/integration.md" }, "name": "@radzor/audio-capture", "tags": [ "voice", "webrtc", "microphone", "streaming", "recording" ], "events": [ { "name": "onSpeechStart", "payload": { "timestamp": "number" }, "description": "Fired when voice activity is detected in the audio stream." }, { "name": "onSpeechEnd", "payload": { "duration": "number", "timestamp": "number" }, "description": "Fired when a speech segment ends (silence detected)." }, { "name": "onError", "payload": { "code": "string", "message": "string" }, "description": "Fired when an error occurs (permission denied, device unavailable, etc.)." } ], "inputs": [ { "name": "sampleRate", "type": "number", "default": 44100, "required": false, "description": "Audio sample rate in Hz." }, { "name": "channels", "type": "number", "default": 1, "required": false, "description": "Number of audio channels (1 = mono, 2 = stereo)." }, { "name": "codec", "type": "string", "default": "opus", "required": false, "description": "Audio codec to use for encoding (opus, pcm, aac)." } ], "radzor": "1.0.0", "actions": [ { "name": "startRecording", "params": [], "returns": "Promise<void>", "description": "Request microphone permission and begin capturing audio." }, { "name": "stopRecording", "params": [], "returns": "Promise<Blob>", "description": "Stop capturing and return the recorded audio as a Blob." }, { "name": "pause", "params": [], "returns": "void", "description": "Pause the current recording without releasing the microphone." }, { "name": "resume", "params": [], "returns": "void", "description": "Resume a paused recording." }, { "name": "getVolume", "params": [], "returns": "number", "description": "Get the current input volume level (0.0 to 1.0)." } ], "outputs": [ { "name": "audioStream", "type": "ReadableStream<Float32Array>", "description": "Raw PCM audio stream from the microphone." }, { "name": "audioBlob", "type": "Blob", "description": "Recorded audio as a Blob after stopRecording() is called." } ], "version": "0.1.0", "category": "audio", "languages": [ "typescript" ], "description": "Capture audio from the user's microphone using the Web Audio API and getUserMedia. Provides a real-time audio stream suitable for speech recognition, voice chat, or recording.", "dependencies": { "packages": {} }, "composability": { "connectsTo": [ { "output": "audioBlob", "compatibleWith": [ "@radzor/speech-to-text.action.transcribe.audio" ] }, { "note": "No compatible consumer component exists yet for raw audio streams.", "output": "audioStream", "compatibleWith": [] } ] } }

@radzor/audio-capture

Install

Inputs

Outputs

Actions

Events

Composability

radzor.manifest.json

Version History

Name	Type	Description
audioStream	ReadableStream<Float32Array>	Raw PCM audio stream from the microphone.
audioBlob	Blob	Recorded audio as a Blob after stopRecording() is called.