SileroVad.ts•1.81 kB
/**
* Copyright (C) 2025 by Fonoster Inc (https://fonoster.com)
* http://github.com/fonoster/fonoster
*
* This file is part of Fonoster
*
* Licensed under the MIT License (the "License");
* you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* https://opensource.org/licenses/MIT
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { getLogger } from "@fonoster/logger";
import { createVad } from "./createVad";
import { Vad } from "./types";
const logger = getLogger({ service: "autopilot", filePath: __filename });
class SileroVad implements Vad {
private vad: (data: Uint8Array, callback: (event: string) => void) => void;
private readonly params: {
pathToModel: string;
activationThreshold: number;
deactivationThreshold: number;
debounceFrames: number;
};
constructor(params: {
pathToModel: string;
activationThreshold: number;
deactivationThreshold: number;
debounceFrames: number;
}) {
logger.verbose("starting instance of silero vad v5", { ...params });
this.params = params;
}
pathToModel: string;
activationThreshold: number;
deactivationThreshold: number;
debounceFrames: number;
async init() {
this.vad = await createVad(this.params);
}
processChunk(
data: Uint8Array,
callback: (event: "SPEECH_START" | "SPEECH_END") => void
) {
if (!this.vad) {
throw new Error("VAD not initialized");
}
this.vad(data, callback);
}
}
export { SileroVad };