48 lines
1.7 KiB
JavaScript
48 lines
1.7 KiB
JavaScript
// Copyright (c) 2024 Xiaomi Corporation
|
||
const sherpa_onnx = require('sherpa-onnx-node');
|
||
|
||
// please download model files from
|
||
// https://github.com/k2-fsa/sherpa-onnx/releases/tag/tts-models
|
||
function createOfflineTts() {
|
||
const config = {
|
||
model: {
|
||
vits: {
|
||
model: './vits-icefall-zh-aishell3/model.onnx',
|
||
tokens: './vits-icefall-zh-aishell3/tokens.txt',
|
||
lexicon: './vits-icefall-zh-aishell3/lexicon.txt',
|
||
},
|
||
debug: true,
|
||
numThreads: 1,
|
||
provider: 'cpu',
|
||
},
|
||
maxNumSentences: 1,
|
||
ruleFsts:
|
||
'./vits-icefall-zh-aishell3/date.fst,./vits-icefall-zh-aishell3/phone.fst,./vits-icefall-zh-aishell3/number.fst,./vits-icefall-zh-aishell3/new_heteronym.fst',
|
||
ruleFars: './vits-icefall-zh-aishell3/rule.far',
|
||
};
|
||
return new sherpa_onnx.OfflineTts(config);
|
||
}
|
||
|
||
const tts = createOfflineTts();
|
||
|
||
const text =
|
||
'他在长沙出生，长白山长大，去过长江，现在他是一个银行的行长，主管行政工作。有困难，请拨110，或者13020240513。今天是2024年5月13号, 他上个月的工资是12345块钱。'
|
||
|
||
let start = Date.now();
|
||
const audio = tts.generate({text: text, sid: 88, speed: 1.0});
|
||
let stop = Date.now();
|
||
const elapsed_seconds = (stop - start) / 1000;
|
||
const duration = audio.samples.length / audio.sampleRate;
|
||
const real_time_factor = elapsed_seconds / duration;
|
||
console.log('Wave duration', duration.toFixed(3), 'seconds')
|
||
console.log('Elapsed', elapsed_seconds.toFixed(3), 'seconds')
|
||
console.log(
|
||
`RTF = ${elapsed_seconds.toFixed(3)}/${duration.toFixed(3)} =`,
|
||
real_time_factor.toFixed(3))
|
||
|
||
const filename = 'test-zh-aishell3.wav';
|
||
sherpa_onnx.writeWave(
|
||
filename, {samples: audio.samples, sampleRate: audio.sampleRate});
|
||
|
||
console.log(`Saved to ${filename}`);
|