From dbdb032adb61f37e18831f914a2051be373458f6 Mon Sep 17 00:00:00 2001
From: lanhao <admin@lanhao.com>
Date: Thu, 2 Jul 2026 21:34:49 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E8=B1=86=E5=8C=85=E5=BC=95=E6=93=8E?=
 =?UTF-8?q?=E8=A1=A5=E5=85=A8pitch=5Fratio=E5=92=8Cvolume=5Fratio=E5=8F=82?=
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前端声调/音量滑块现在对豆包引擎也生效了

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
---
 backend/app/services/doubao_service.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/backend/app/services/doubao_service.py b/backend/app/services/doubao_service.py
index 88d168e..b57d433 100644
--- a/backend/app/services/doubao_service.py
+++ b/backend/app/services/doubao_service.py
@@ -28,6 +28,8 @@ def synthesize_doubao(text, speed=1.0, pitch=0, volume=1.0, emotion='neutral'):
             'voice_type': 'S_LK0j18H72',
             'encoding': 'mp3',
             'speed_ratio': speed,
+            'pitch_ratio': max(0.1, min(3.0, 1.0 + pitch / 12)),  # 前端-12~12映射到0.1~3.0
+            'volume_ratio': max(0.1, min(3.0, volume)),            # 前端0~10，API 0.1~3.0
             'bitrate': 128000,
         },
         'request': {