Support heteronyms in Chinese TTS (#738)

nodejs-examples/README.md

@@ -43,8 +43,8 @@ for text-to-speech.
 You can use the following command to run it:
 
 ```bash
-wget -q https://github.com/k2-fsa/sherpa-onnx/releases/download/tts-models/vits-zh-aishell3.tar.bz2
-tar xvf vits-zh-aishell3.tar.bz2
+wget -q https://github.com/k2-fsa/sherpa-onnx/releases/download/tts-models/vits-icefall-zh-aishell3.tar.bz2
+tar xvf vits-icefall-zh-aishell3.tar.bz2
 node ./test-offline-tts-zh.js
 ```
 

nodejs-examples/test-offline-tts-en.js

@@ -22,6 +22,7 @@ function createOfflineTts() {
   let offlineTtsConfig = {
     offlineTtsModelConfig: offlineTtsModelConfig,
     ruleFsts: '',
+    ruleFars: '',
     maxNumSentences: 1,
   };
 

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

@@ -4,9 +4,9 @@ const sherpa_onnx = require('sherpa-onnx');
 
 function createOfflineTts() {
   let offlineTtsVitsModelConfig = {
-    model: './vits-zh-aishell3/vits-aishell3.onnx',
-    lexicon: './vits-zh-aishell3/lexicon.txt',
-    tokens: './vits-zh-aishell3/tokens.txt',
+    model: './vits-icefall-zh-aishell3/vits-aishell3.onnx',
+    lexicon: './vits-icefall-zh-aishell3/lexicon.txt',
+    tokens: './vits-icefall-zh-aishell3/tokens.txt',
     dataDir: '',
     noiseScale: 0.667,
     noiseScaleW: 0.8,
@@ -21,7 +21,9 @@ function createOfflineTts() {
 
   let offlineTtsConfig = {
     offlineTtsModelConfig: offlineTtsModelConfig,
-    ruleFsts: './vits-zh-aishell3/rule.fst',
+    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,
   };