Add JavaScript API (node-addon-api) for MatchaTTS models.

.github/scripts/test-nodejs-addon-npm.sh

@@ -85,6 +85,25 @@ fi
 
 echo "----------tts----------"
 
+wget https://github.com/k2-fsa/sherpa-onnx/releases/download/tts-models/matcha-icefall-en_US-ljspeech.tar.bz2
+tar xvf matcha-icefall-en_US-ljspeech.tar.bz2
+rm matcha-icefall-en_US-ljspeech.tar.bz2
+wget https://github.com/k2-fsa/sherpa-onnx/releases/download/vocoder-models/hifigan_v2.onnx
+
+node ./test_tts_non_streaming_matcha_icefall_en.js
+rm hifigan_v2.onnx
+rm -rf matcha-icefall-en_US-ljspeech
+
+wget https://github.com/k2-fsa/sherpa-onnx/releases/download/tts-models/matcha-icefall-zh-baker.tar.bz2
+tar xvf matcha-icefall-zh-baker.tar.bz2
+rm matcha-icefall-zh-baker.tar.bz2
+wget https://github.com/k2-fsa/sherpa-onnx/releases/download/vocoder-models/hifigan_v2.onnx
+
+node ./test_tts_non_streaming_matcha_icefall_zh.js
+rm hifigan_v2.onnx
+rm -rf matcha-icefall-zh-baker
+ls -lh *.wav
+
 curl -SL -O https://github.com/k2-fsa/sherpa-onnx/releases/download/tts-models/vits-piper-en_GB-cori-medium.tar.bz2
 tar xf vits-piper-en_GB-cori-medium.tar.bz2
 rm vits-piper-en_GB-cori-medium.tar.bz2

harmony-os/SherpaOnnxHar/sherpa_onnx/src/main/cpp/non-streaming-tts.cc

@@ -31,6 +31,28 @@ static SherpaOnnxOfflineTtsVitsModelConfig GetOfflineTtsVitsModelConfig(
   return c;
 }
 
+static SherpaOnnxOfflineTtsMatchaModelConfig GetOfflineTtsMatchaModelConfig(
+    Napi::Object obj) {
+  SherpaOnnxOfflineTtsMatchaModelConfig c;
+  memset(&c, 0, sizeof(c));
+
+  if (!obj.Has("matcha") || !obj.Get("matcha").IsObject()) {
+    return c;
+  }
+
+  Napi::Object o = obj.Get("matcha").As<Napi::Object>();
+  SHERPA_ONNX_ASSIGN_ATTR_STR(acoustic_model, acousticModel);
+  SHERPA_ONNX_ASSIGN_ATTR_STR(vocoder, vocoder);
+  SHERPA_ONNX_ASSIGN_ATTR_STR(lexicon, lexicon);
+  SHERPA_ONNX_ASSIGN_ATTR_STR(tokens, tokens);
+  SHERPA_ONNX_ASSIGN_ATTR_STR(data_dir, dataDir);
+  SHERPA_ONNX_ASSIGN_ATTR_FLOAT(noise_scale, noiseScale);
+  SHERPA_ONNX_ASSIGN_ATTR_FLOAT(length_scale, lengthScale);
+  SHERPA_ONNX_ASSIGN_ATTR_STR(dict_dir, dictDir);
+
+  return c;
+}
+
 static SherpaOnnxOfflineTtsModelConfig GetOfflineTtsModelConfig(
     Napi::Object obj) {
   SherpaOnnxOfflineTtsModelConfig c;
@@ -43,6 +65,7 @@ static SherpaOnnxOfflineTtsModelConfig GetOfflineTtsModelConfig(
   Napi::Object o = obj.Get("model").As<Napi::Object>();
 
   c.vits = GetOfflineTtsVitsModelConfig(o);
+  c.matcha = GetOfflineTtsMatchaModelConfig(o);
 
   SHERPA_ONNX_ASSIGN_ATTR_INT32(num_threads, numThreads);
 
@@ -107,9 +130,10 @@ static Napi::External<SherpaOnnxOfflineTts> CreateOfflineTtsWrapper(
                   decltype(&OH_ResourceManager_ReleaseNativeResourceManager)>
       mgr(OH_ResourceManager_InitNativeResourceManager(env, info[1]),
           &OH_ResourceManager_ReleaseNativeResourceManager);
-  SherpaOnnxOfflineTts *tts = SherpaOnnxCreateOfflineTtsOHOS(&c, mgr.get());
+  const SherpaOnnxOfflineTts *tts =
+      SherpaOnnxCreateOfflineTtsOHOS(&c, mgr.get());
 #else
-  SherpaOnnxOfflineTts *tts = SherpaOnnxCreateOfflineTts(&c);
+  const SherpaOnnxOfflineTts *tts = SherpaOnnxCreateOfflineTts(&c);
 #endif
 
   if (c.model.vits.model) {
@@ -132,6 +156,30 @@ static Napi::External<SherpaOnnxOfflineTts> CreateOfflineTtsWrapper(
     delete[] c.model.vits.dict_dir;
   }
 
+  if (c.model.matcha.acoustic_model) {
+    delete[] c.model.matcha.acoustic_model;
+  }
+
+  if (c.model.matcha.vocoder) {
+    delete[] c.model.matcha.vocoder;
+  }
+
+  if (c.model.matcha.lexicon) {
+    delete[] c.model.matcha.lexicon;
+  }
+
+  if (c.model.matcha.tokens) {
+    delete[] c.model.matcha.tokens;
+  }
+
+  if (c.model.matcha.data_dir) {
+    delete[] c.model.matcha.data_dir;
+  }
+
+  if (c.model.matcha.dict_dir) {
+    delete[] c.model.matcha.dict_dir;
+  }
+
   if (c.model.provider) {
     delete[] c.model.provider;
   }
@@ -152,7 +200,8 @@ static Napi::External<SherpaOnnxOfflineTts> CreateOfflineTtsWrapper(
   }
 
   return Napi::External<SherpaOnnxOfflineTts>::New(
-      env, tts, [](Napi::Env env, SherpaOnnxOfflineTts *tts) {
+      env, const_cast<SherpaOnnxOfflineTts *>(tts),
+      [](Napi::Env env, SherpaOnnxOfflineTts *tts) {
         SherpaOnnxDestroyOfflineTts(tts);
       });
 }

nodejs-addon-examples/README.md

@@ -133,6 +133,8 @@ The following tables list the examples in this folder.
 
 |File| Description|
 |---|---|
+|[./test_tts_non_streaming_matcha_icefall_en.js](./test_tts_non_streaming_matcha_icefall_en.js)| Text-to-speech with a [MatchaTTS English Model](https://k2-fsa.github.io/sherpa/onnx/tts/pretrained_models/matcha.html#matcha-icefall-en-us-ljspeech-american-english-1-female-speaker)|
+|[./test_tts_non_streaming_matcha_icefall_zhjs](./test_tts_non_streaming_matcha_icefall_zh.js)| Text-to-speech with a [MatchaTTS Chinese Model](https://k2-fsa.github.io/sherpa/onnx/tts/pretrained_models/matcha.html#matcha-icefall-zh-baker-chinese-1-female-speaker)|
 |[./test_tts_non_streaming_vits_piper_en.js](./test_tts_non_streaming_vits_piper_en.js)| Text-to-speech with a [piper](https://github.com/rhasspy/piper) English model|
 |[./test_tts_non_streaming_vits_coqui_de.js](./test_tts_non_streaming_vits_coqui_de.js)| Text-to-speech with a [coqui](https://github.com/coqui-ai/TTS) German model|
 |[./test_tts_non_streaming_vits_zh_ll.js](./test_tts_non_streaming_vits_zh_ll.js)| Text-to-speech with a Chinese model using [cppjieba](https://github.com/yanyiwu/cppjieba)|
@@ -345,6 +347,28 @@ npm install naudiodon2
 node ./test_vad_asr_non_streaming_sense_voice_microphone.js
 ```
 
+### Text-to-speech with MatchaTTS models (English TTS)
+```bash
+wget https://github.com/k2-fsa/sherpa-onnx/releases/download/tts-models/matcha-icefall-en_US-ljspeech.tar.bz2
+tar xvf matcha-icefall-en_US-ljspeech.tar.bz2
+rm matcha-icefall-en_US-ljspeech.tar.bz2
+
+wget https://github.com/k2-fsa/sherpa-onnx/releases/download/vocoder-models/hifigan_v2.onnx
+
+node ./test_tts_non_streaming_matcha_icefall_en.js
+```
+
+### Text-to-speech with MatchaTTS models (Chinese TTS)
+```bash
+wget https://github.com/k2-fsa/sherpa-onnx/releases/download/tts-models/matcha-icefall-zh-baker.tar.bz2
+tar xvf matcha-icefall-zh-baker.tar.bz2
+rm matcha-icefall-zh-baker.tar.bz2
+
+wget https://github.com/k2-fsa/sherpa-onnx/releases/download/vocoder-models/hifigan_v2.onnx
+
+node ./test_tts_non_streaming_matcha_icefall_zh.js
+```
+
 ### Text-to-speech with piper VITS models (TTS)
 
 ```bash

nodejs-addon-examples/test_tts_non_streaming_matcha_icefall_en.js

@@ -0,0 +1,48 @@
+// Copyright (c)  2025  Xiaomi Corporation
+const sherpa_onnx = require('sherpa-onnx-node');
+
+// please refer to
+// https://k2-fsa.github.io/sherpa/onnx/tts/pretrained_models/matcha.html#matcha-icefall-en-us-ljspeech-american-english-1-female-speaker
+// to download model files
+function createOfflineTts() {
+  const config = {
+    model: {
+      matcha: {
+        acousticModel: './matcha-icefall-en_US-ljspeech/model-steps-3.onnx',
+        vocoder: './hifigan_v2.onnx',
+        lexicon: './matcha-icefall-en_US-ljspeech/lexicon.txt',
+        tokens: './matcha-icefall-en_US-ljspeech/tokens.txt',
+        dataDir: './matcha-icefall-en_US-ljspeech/espeak-ng-data',
+      },
+      debug: true,
+      numThreads: 1,
+      provider: 'cpu',
+    },
+    maxNumSentences: 1,
+  };
+  return new sherpa_onnx.OfflineTts(config);
+}
+
+const tts = createOfflineTts();
+
+const text =
+    'Today as always, men fall into two groups: slaves and free men. Whoever does not have two-thirds of his day for himself, is a slave, whatever he may be: a statesman, a businessman, an official, or a scholar.'
+
+
+let start = Date.now();
+const audio = tts.generate({text: text, sid: 0, 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), 'secodns')
+console.log('Elapsed', elapsed_seconds.toFixed(3), 'secodns')
+console.log(
+    `RTF = ${elapsed_seconds.toFixed(3)}/${duration.toFixed(3)} =`,
+    real_time_factor.toFixed(3))
+
+const filename = 'test-matcha-en.wav';
+sherpa_onnx.writeWave(
+    filename, {samples: audio.samples, sampleRate: audio.sampleRate});
+
+console.log(`Saved to ${filename}`);

nodejs-addon-examples/test_tts_non_streaming_matcha_icefall_zh.js

@@ -0,0 +1,50 @@
+// Copyright (c)  2025  Xiaomi Corporation
+const sherpa_onnx = require('sherpa-onnx-node');
+
+// please refer to
+// https://k2-fsa.github.io/sherpa/onnx/tts/pretrained_models/matcha.html#matcha-icefall-zh-baker-chinese-1-female-speaker
+// to download model files
+function createOfflineTts() {
+  const config = {
+    model: {
+      matcha: {
+        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',
+      },
+      debug: true,
+      numThreads: 1,
+      provider: 'cpu',
+    },
+    maxNumSentences: 1,
+    ruleFsts:
+        './matcha-icefall-zh-baker/phone.fst,./matcha-icefall-zh-baker/date.fst,./matcha-icefall-zh-baker/number.fst',
+  };
+  return new sherpa_onnx.OfflineTts(config);
+}
+
+const tts = createOfflineTts();
+
+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。'
+
+
+let start = Date.now();
+const audio = tts.generate({text: text, sid: 0, 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), 'secodns')
+console.log('Elapsed', elapsed_seconds.toFixed(3), 'secodns')
+console.log(
+    `RTF = ${elapsed_seconds.toFixed(3)}/${duration.toFixed(3)} =`,
+    real_time_factor.toFixed(3))
+
+const filename = 'test-matcha-zh.wav';
+sherpa_onnx.writeWave(
+    filename, {samples: audio.samples, sampleRate: audio.sampleRate});
+
+console.log(`Saved to ${filename}`);

scripts/node-addon-api/package.json

@@ -3,7 +3,7 @@
   "version": "1.0.0",
   "description": "Speech-to-text, text-to-speech, and speaker diarization using Next-gen Kaldi without internet connection",
   "dependencies": {
-    "cmake-js": "^7.0.0",
+    "cmake-js": "^7.3.0",
     "node-addon-api": "^8.3.0",
     "perf_hooks": "*"
   },