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

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

@@ -0,0 +1,41 @@
+// Copyright (c)  2025  Xiaomi Corporation (authors: Fangjun Kuang)
+
+const sherpa_onnx = require('sherpa-onnx');
+
+function createOfflineTts() {
+  let offlineTtsMatchaModelConfig = {
+    acousticModel: './matcha-icefall-zh-baker/model-steps-3.onnx',
+    vocoder: './hifigan_v2.onnx',
+    lexicon: './matcha-icefall-zh-baker/lexicon.txt',
+    tokens: './matcha-icefall-zh-baker/tokens.txt',
+    dictDir: './matcha-icefall-zh-baker/dict',
+    noiseScale: 0.667,
+    lengthScale: 1.0,
+  };
+  let offlineTtsModelConfig = {
+    offlineTtsMatchaModelConfig: offlineTtsMatchaModelConfig,
+    numThreads: 1,
+    debug: 1,
+    provider: 'cpu',
+  };
+
+  let offlineTtsConfig = {
+    offlineTtsModelConfig: offlineTtsModelConfig,
+    maxNumSentences: 1,
+    ruleFsts:
+        './matcha-icefall-zh-baker/phone.fst,./matcha-icefall-zh-baker/date.fst,./matcha-icefall-zh-baker/number.fst',
+  };
+
+  return sherpa_onnx.createOfflineTts(offlineTtsConfig);
+}
+
+const tts = createOfflineTts();
+const speakerId = 0;
+const speed = 1.0;
+const text =
+    '当夜幕降临，星光点点，伴随着微风拂面，我在静谧中感受着时光的流转，思念如涟漪荡漾，梦境如画卷展开，我与自然融为一体，沉静在这片宁静的美丽之中，感受着生命的奇迹与温柔. 某某银行的副行长和一些行政领导表示，他们去过长江和长白山; 经济不断增长。2024年12月31号，拨打110或者18920240511。123456块钱。'
+
+const audio = tts.generate({text: text, sid: speakerId, speed: speed});
+tts.save('./test-matcha-zh.wav', audio);
+console.log('Saved to test-matcha-zh.wav successfully.');
+tts.free();