From 150df19be16f2479c6ae52af410d6106e5c9b0a5 Mon Sep 17 00:00:00 2001
From: Christian Gick <service@agiliton.eu>
Date: Mon, 23 Feb 2026 10:38:46 +0200
Subject: [PATCH] fix(tts): revert to multilingual_v2 for better quality, keep
 speed 1.15x

flash_v2_5 had audible compression artifacts. multilingual_v2 has higher
fidelity while speed=1.15 via VoiceSettings still gives snappier delivery.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 voice.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/voice.py b/voice.py
index 67f8cb7..cfd72d6 100644
--- a/voice.py
+++ b/voice.py
@@ -588,7 +588,7 @@ class VoiceSession:
                 llm=lk_openai.LLM(base_url=LITELLM_URL, api_key=LITELLM_KEY, model=self.model),
                 tts=elevenlabs.TTS(
                     voice_id=voice_id,
-                    model="eleven_flash_v2_5",
+                    model="eleven_multilingual_v2",
                     language="de",
                     api_key=ELEVENLABS_KEY,
                     voice_settings=elevenlabs.VoiceSettings(