Add C# and JavaScript (wasm) API for MatchaTTS models (#1682)

nodejs-examples/test-offline-tts-vits-zh.js

@@ -0,0 +1,39 @@
+// Copyright (c)  2023  Xiaomi Corporation (authors: Fangjun Kuang)
+
+const sherpa_onnx = require('sherpa-onnx');
+
+function createOfflineTts() {
+  let offlineTtsVitsModelConfig = {
+    model: './vits-icefall-zh-aishell3/model.onnx',
+    lexicon: './vits-icefall-zh-aishell3/lexicon.txt',
+    tokens: './vits-icefall-zh-aishell3/tokens.txt',
+    noiseScale: 0.667,
+    noiseScaleW: 0.8,
+    lengthScale: 1.0,
+  };
+  let offlineTtsModelConfig = {
+    offlineTtsVitsModelConfig: offlineTtsVitsModelConfig,
+    numThreads: 1,
+    debug: 1,
+    provider: 'cpu',
+  };
+
+  let offlineTtsConfig = {
+    offlineTtsModelConfig: offlineTtsModelConfig,
+    ruleFsts:
+        './vits-icefall-zh-aishell3/phone.fst,./vits-icefall-zh-aishell3/date.fst,./vits-icefall-zh-aishell3/number.fst,./vits-icefall-zh-aishell3/new_heteronym.fst',
+    ruleFars: './vits-icefall-zh-aishell3/rule.far',
+    maxNumSentences: 1,
+  };
+
+  return sherpa_onnx.createOfflineTts(offlineTtsConfig);
+}
+
+const tts = createOfflineTts();
+const speakerId = 66;
+const speed = 1.0;
+const audio = tts.generate(
+    {text: '3年前中国总人口是1411778724人', sid: speakerId, speed: speed});
+tts.save('./test-vits-zh.wav', audio);
+console.log('Saved to test-vits-zh.wav successfully.');
+tts.free();