fix: convert >35 digit English numbers digit-by-digit (#240)

idiap · Jan 6, 2025 · 49fa9b9 · 49fa9b9
1 parent eaff93d
commit 49fa9b9
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Showing 2 changed files with 7 additions and 1 deletion.
diff --git a/TTS/tts/utils/text/english/number_norm.py b/TTS/tts/utils/text/english/number_norm.py
@@ -85,7 +85,11 @@ def _expand_number(m):
         if num % 100 == 0:
             return _inflect.number_to_words(num // 100) + " hundred"
         return _inflect.number_to_words(num, andword="", zero="oh", group=2).replace(", ", " ")
-    return _inflect.number_to_words(num, andword="")
+    try:
+        text = _inflect.number_to_words(num, andword="")
+    except inflect.NumOutOfRangeError:
+        text = _inflect.number_to_words(num, group=1).replace(", ", " ")
+    return text
 
 
 def normalize_numbers(text):

diff --git a/tests/text_tests/test_text_cleaners.py b/tests/text_tests/test_text_cleaners.py
@@ -24,6 +24,8 @@ def test_currency() -> None:
 def test_expand_numbers() -> None:
     assert phoneme_cleaners("-1") == "minus one"
     assert phoneme_cleaners("1") == "one"
+    assert phoneme_cleaners("1" + "0" * 35) == "one hundred decillion"
+    assert phoneme_cleaners("1" + "0" * 36) == "one" + " zero" * 36
 
 
 def test_multilingual_phoneme_cleaners() -> None: