The WeaveSignal contributors
466b32ab6a
The first public release. What it does: https://weavesignal.top; what changed: CHANGELOG.md.
32 lines
1.5 KiB
TypeScript
32 lines
1.5 KiB
TypeScript
// SPDX-License-Identifier: AGPL-3.0-only
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// SPDX-FileCopyrightText: 2026 The WeaveSignal contributors
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// How every page that sends a voice into the room captures the microphone: the presenter's
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// browser fallback and the guest and caller join pages (M3) take these constraints, for
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// `getUserMedia({ audio })` or LiveKit's `createLocalAudioTrack(...)`.
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//
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// The second live run (2026-10-25) heard a guest and a caller come back into the programme
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// 0.3 s late: their voices leaked from the presenter's headphones into the microphone and the
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// browser's automatic gain control lifted them while the presenter was quiet. So echo
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// cancelling and noise suppression are on and automatic gain control is off for everyone;
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// the desk levels voices itself (the input chain: expander, compressor, leveller, limiter).
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// Only an explicit echo-test page turns echo cancelling off, to hear the raw microphone.
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export interface VoiceCapture {
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echoCancellation: boolean;
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noiseSuppression: boolean;
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autoGainControl: boolean;
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}
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/** Every join page: presenter, guest, caller, remote DJ in a browser. */
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export const VOICE_CAPTURE: Readonly<VoiceCapture> = Object.freeze({
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echoCancellation: true,
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noiseSuppression: true,
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autoGainControl: false,
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});
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/** The echo-test page only: the microphone as it is, so a person hears what the room would. */
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export const ECHO_TEST_CAPTURE: Readonly<VoiceCapture> = Object.freeze({
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echoCancellation: false,
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noiseSuppression: false,
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autoGainControl: false,
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});
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