From 5d5f91326072975f8f3c9b66e28d8548b9ac6a14 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E2=80=9CDaisyWu=E2=80=9D?= <“18682150237@163.com”>
Date: Fri, 17 Jan 2025 17:57:54 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E6=B7=BB=E5=8A=A0=E9=99=8D=E5=99=AA?=
 =?UTF-8?q?=E5=A4=84=E7=90=86?=
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---
 .../views/talkView/talk_view_logic.dart        | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/lib/talk/startChart/views/talkView/talk_view_logic.dart b/lib/talk/startChart/views/talkView/talk_view_logic.dart
index 7c4d8fd1..2c11489e 100644
--- a/lib/talk/startChart/views/talkView/talk_view_logic.dart
+++ b/lib/talk/startChart/views/talkView/talk_view_logic.dart
@@ -570,8 +570,9 @@ class TalkViewLogic extends BaseGetXController {
   }
 
   Future<void> _onFrame(List<int> frame) async {
-    final list = listLinearToALaw(frame);
-    final ms = DateTime.now().millisecondsSinceEpoch -
+    final List<int> processedFrame = preprocessAudio(frame);
+    final List<int> list = listLinearToALaw(processedFrame);
+    final int ms = DateTime.now().millisecondsSinceEpoch -
         state.startRecordingAudioTime.value.millisecondsSinceEpoch;
     // 发送音频数据
     await StartChartManage().sendTalkDataMessage(
@@ -588,6 +589,19 @@ class TalkViewLogic extends BaseGetXController {
     AppLog.log(error.message!);
   }
 
+  List<int> preprocessAudio(List<int> pcmList) {
+    // 简单的降噪处理
+    final List<int> processedList = [];
+    for (int pcmVal in pcmList) {
+      // 简单的降噪示例：将小于阈值的信号置为0
+      if (pcmVal.abs() < 500) {
+        pcmVal = 0;
+      }
+      processedList.add(pcmVal);
+    }
+    return processedList;
+  }
+
   List<int> listLinearToALaw(List<int> pcmList) {
     final List<int> aLawList = [];
     for (int pcmVal in pcmList) {