echogarden/dist/synthesis/DeepgramTTS.js

An easy-to-use speech toolset. Includes tools for synthesis, recognition, alignment, speech translation, language detection, source separation and more.

import { request } from 'gaxios';
import * as FFMpegTranscoder from '../codecs/FFMpegTranscoder.js';
import { Logger } from '../utilities/Logger.js';
import { logToStderr } from '../utilities/Utilities.js';
import { extendDeep } from '../utilities/ObjectUtilities.js';
const log = logToStderr;
export async function synthesize(text, modelId, options) {
    const logger = new Logger();
    logger.start('Request synthesis from Deepgram');
    options = extendDeep(defaultDeepgramTTSOptions, options);
    let response;
    try {
        response = await request({
            url: `https://api.deepgram.com/v1/speak`,
            params: {
                model: modelId,
                encoding: 'mp3',
                bit_rate: 48000,
            },
            method: 'POST',
            headers: {
                'Content-Type': 'application/json',
                'Authorization': `Token ${options.apiKey}`,
            },
            data: {
                text,
            },
            responseType: 'arraybuffer'
        });
    }
    catch (e) {
        const response = e.response;
        if (response) {
            logger.log(`Request failed with status code ${response.status}`);
            if (response.data) {
                logger.log(`Server responded with:`);
                logger.log(response.data);
            }
        }
        throw e;
    }
    logger.start('Decode synthesized audio');
    const rawAudio = await FFMpegTranscoder.decodeToChannels(new Uint8Array(response.data));
    logger.end();
    return { rawAudio };
}
export async function getVoiceList() {
    return voiceList;
}
export const defaultDeepgramTTSOptions = {
    apiKey: undefined,
};
export const voiceList = [
    {
        name: 'Asteria',
        deepgramModelId: 'aura-asteria-en',
        languages: ['en-US', 'en'],
        gender: 'female',
    },
    {
        name: 'Luna',
        deepgramModelId: 'aura-luna-en',
        languages: ['en-US', 'en'],
        gender: 'female',
    },
    {
        name: 'Stella',
        deepgramModelId: 'aura-stella-en',
        languages: ['en-US', 'en'],
        gender: 'female',
    },
    {
        name: 'Athena',
        deepgramModelId: 'aura-athena-en',
        languages: ['en-GB', 'en'],
        gender: 'female',
    },
    {
        name: 'Hera',
        deepgramModelId: 'aura-hera-en',
        languages: ['en-US', 'en'],
        gender: 'female',
    },
    {
        name: 'Orion',
        deepgramModelId: 'aura-orion-en',
        languages: ['en-US', 'en'],
        gender: 'male',
    },
    {
        name: 'Arcas',
        deepgramModelId: 'aura-arcas-en',
        languages: ['en-US', 'en'],
        gender: 'male',
    },
    {
        name: 'Perseus',
        deepgramModelId: 'aura-perseus-en',
        languages: ['en-US', 'en'],
        gender: 'male',
    },
    {
        name: 'Angus',
        deepgramModelId: 'aura-angus-en',
        languages: ['en-US', 'en'],
        gender: 'male',
    },
    {
        name: 'Orpheus',
        deepgramModelId: 'aura-orpheus-en',
        languages: ['en-US', 'en'],
        gender: 'male',
    },
    {
        name: 'Helios',
        deepgramModelId: 'aura-helios-en',
        languages: ['en-US', 'en'],
        gender: 'male',
    },
    {
        name: 'Zeus',
        deepgramModelId: 'aura-zeus-en',
        languages: ['en-US', 'en'],
        gender: 'male',
    },
];
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