Fix zh bug (#3238)

TTS/tts/layers/xtts/tokenizer.py

@@ -170,7 +170,7 @@ _abbreviations = {
             # There are not many common abbreviations in Arabic as in English.
         ]
     ],
-    "zh-cn": [
+    "zh": [
         (re.compile("\\b%s\\." % x[0], re.IGNORECASE), x[1])
         for x in [
             # Chinese doesn't typically use abbreviations in the same way as Latin-based scripts.
@@ -335,7 +335,7 @@ _symbols_multilingual = {
             ("°", " درجة "),
         ]
     ],
-    "zh-cn": [
+    "zh": [
         # Chinese
         (re.compile(r"%s" % re.escape(x[0]), re.IGNORECASE), x[1])
         for x in [
@@ -619,6 +619,7 @@ class VoiceBpeTokenizer:
         return cutlet.Cutlet()
 
     def check_input_length(self, txt, lang):
+        lang = lang.split("-")[0] # remove the region
         limit = self.char_limits.get(lang, 250)
         if len(txt) > limit:
             print(
@@ -626,7 +627,7 @@ class VoiceBpeTokenizer:
             )
 
     def preprocess_text(self, txt, lang):
-        if lang in {"ar", "cs", "de", "en", "es", "fr", "hu", "it", "nl", "pl", "pt", "ru", "tr", "zh-cn", "ko"}:
+        if lang in {"ar", "cs", "de", "en", "es", "fr", "hu", "it", "nl", "pl", "pt", "ru", "tr", "zh", "ko"}:
             txt = multilingual_cleaners(txt, lang)
             if lang == "zh":
                 txt = chinese_transliterate(txt)
@@ -642,6 +643,7 @@ class VoiceBpeTokenizer:
         lang = lang.split("-")[0] # remove the region
         self.check_input_length(txt, lang)
         txt = self.preprocess_text(txt, lang)
+        lang = "zh-cn" if lang == "zh" else lang
         txt = f"[{lang}]{txt}"
         txt = txt.replace(" ", "[SPACE]")
         return self.tokenizer.encode(txt).ids
@@ -738,8 +740,8 @@ def test_expand_numbers_multilingual():
         ("Dat wordt dan $20 meneer.", "Dat wordt dan twintig dollar meneer.", "nl"),
         ("Dat wordt dan 20€ meneer.", "Dat wordt dan twintig euro meneer.", "nl"),
         # Chinese (Simplified)
-        ("在12.5秒内", "在十二点五秒内", "zh-cn"),
-        ("有50名士兵", "有五十名士兵", "zh-cn"),
+        ("在12.5秒内", "在十二点五秒内", "zh"),
+        ("有50名士兵", "有五十名士兵", "zh"),
         # ("那将是$20先生", '那将是二十美元先生', 'zh'), currency doesn't work
         # ("那将是20€先生", '那将是二十欧元先生', 'zh'),
         # Turkish
@@ -820,7 +822,7 @@ def test_symbols_multilingual():
         ("Ik heb 14% batterij", "Ik heb 14 procent batterij", "nl"),
         ("Ik zie je @ het feest", "Ik zie je bij het feest", "nl"),
         ("لدي 14% في البطارية", "لدي 14 في المئة في البطارية", "ar"),
-        ("我的电量为 14%", "我的电量为 14 百分之", "zh-cn"),
+        ("我的电量为 14%", "我的电量为 14 百分之", "zh"),
         ("Pilim %14 dolu.", "Pilim yüzde 14 dolu.", "tr"),
         ("Az akkumulátorom töltöttsége 14%", "Az akkumulátorom töltöttsége 14 százalék", "hu"),
         ("배터리 잔량이 14%입니다.", "배터리 잔량이 14 퍼센트입니다.", "ko"),

TTS/tts/models/xtts.py

@@ -396,7 +396,7 @@ class Xtts(BaseTTS):
         inference with config
         """
         assert (
-            language in self.config.languages
+            "zh-cn" if language == "zh" else language in self.config.languages
         ), f" ❗ Language {language} is not supported. Supported languages are {self.config.languages}"
         # Use generally found best tuning knobs for generation.
         settings = {