From 340ee617ede6c836b8e797d53c4b09cd0c17dc04 Mon Sep 17 00:00:00 2001
From: themanyone <nospam@thenerdshow.com>
Date: Tue, 26 Nov 2024 02:18:12 -0900
Subject: [PATCH] Replace audioop with numpy for Python 3.13

---
 mimic3_tts/tts.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/mimic3_tts/tts.py b/mimic3_tts/tts.py
index 49d77ee..07750f6 100644
--- a/mimic3_tts/tts.py
+++ b/mimic3_tts/tts.py
@@ -14,7 +14,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 """Implementation of OpenTTS for Mimic 3"""
-import audioop
+import numpy
 import itertools
 import logging
 import re
@@ -540,7 +540,9 @@ def _speak_sentence_phonemes(
         audio_bytes = audio.tobytes()
 
         if settings.volume != DEFAULT_VOLUME:
-            audio_bytes = audioop.mul(audio_bytes, 2, settings.volume / 100.0)
+            audio_bytes = np.frombuffer(audio_bytes, dtype=np.int16)
+            audio_bytes = audio_bytes * (settings.volume / 100.0)
+            audio_bytes = audio_bytes.clip(-32768, 32767).astype(np.int16).tobytes()
 
         return AudioResult(
             sample_rate_hz=voice.config.audio.sample_rate,