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苹果手机视频对讲锁版音频播放增益问题

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sky.min 2026-01-16 10:10:31 +08:00
parent a2801fe613
commit 27c9614be3
2 changed files with 41 additions and 9 deletions
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23
lib/talk/starChart/views/native/talk_view_native_decode_logic.dart
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@ -530,8 +530,21 @@ class TalkViewNativeDecodeLogic extends BaseGetXController {
/// 播放音频数据 /// 播放音频数据
void _playAudioData(TalkData talkData) async { void _playAudioData(TalkData talkData) async {
if (state.isOpenVoice.value && state.isLoading.isFalse && state.isRecordingAudio.value == false) { if (state.isOpenVoice.value && state.isLoading.isFalse) {
// 先进行解码和降噪处理（根据音频处理顺序规范：先降噪后增益）
List<int> encodedData = G711Tool.decode(talkData.content, 0); // 0表示A-law List<int> encodedData = G711Tool.decode(talkData.content, 0); // 0表示A-law
// 根据动态音频增益补偿策略，实现基于状态的动态增益补偿
if (Platform.isIOS) {
if (state.isRecordingAudio.value) {
// 当正在录音时，提高接收音频的增益，以匹配锁端第一次说话的音量
encodedData = _applyGain(encodedData, 1.5);
} else {
// 非录音状态下使用标准增益
encodedData = _applyGain(encodedData, 1.2);
}
}
// 将 PCM 数据转换为 PcmArrayInt16 // 将 PCM 数据转换为 PcmArrayInt16
final PcmArrayInt16 fromList = PcmArrayInt16.fromList(encodedData); final PcmArrayInt16 fromList = PcmArrayInt16.fromList(encodedData);
FlutterPcmSound.feed(fromList); FlutterPcmSound.feed(fromList);
@ -871,10 +884,14 @@ class TalkViewNativeDecodeLogic extends BaseGetXController {
// 音频帧处理 // 音频帧处理
Future<void> _onFrame(List<int> frame) async { Future<void> _onFrame(List<int> frame) async {
final applyGain = _applyGain(frame, 1.6); // 根据平台设置不同的音频增益系数，iOS使用较低增益避免影响接收端灵敏度
double gainFactor = Platform.isIOS ? 0.6 : 1.2;
// 应用增益
final gainApplied = _applyGain(frame, gainFactor);
// 编码为G711数据 // 编码为G711数据
List<int> encodedData = G711Tool.encode(applyGain, 0); // 0表示A-law List<int> encodedData = G711Tool.encode(gainApplied, 0); // 0表示A-law
_bufferedAudioFrames.addAll(encodedData); _bufferedAudioFrames.addAll(encodedData);
// 启动定时发送器（仅启动一次） // 启动定时发送器（仅启动一次）

27
lib/talk/starChart/views/talkView/talk_view_logic.dart
View File

@ -203,10 +203,21 @@ class TalkViewLogic extends BaseGetXController {
/// 播放音频数据 /// 播放音频数据
void _playAudioData(TalkData talkData) async { void _playAudioData(TalkData talkData) async {
if (state.isOpenVoice.value) { if (state.isOpenVoice.value) {
final list = List<int> processedData = G711().decodeAndDenoise(talkData.content, true, 8000, 300, 150);
G711().decodeAndDenoise(talkData.content, true, 8000, 300, 150);
// // 将 PCM 数据转换为 PcmArrayInt16 // 根据动态音频增益补偿策略，实现基于状态的动态增益补偿
final PcmArrayInt16 fromList = PcmArrayInt16.fromList(list); if (Platform.isIOS) {
if (state.isRecordingAudio.value) {
// 当正在录音时，提高接收音频的增益，以匹配锁端第一次说话的音量
processedData = _applyGain(processedData, 1.5);
} else {
// 非录音状态下使用标准增益
processedData = _applyGain(processedData, 1.2);
}
}
// 将 PCM 数据转换为 PcmArrayInt16
final PcmArrayInt16 fromList = PcmArrayInt16.fromList(processedData);
FlutterPcmSound.feed(fromList); FlutterPcmSound.feed(fromList);
if (!state.isPlaying.value) { if (!state.isPlaying.value) {
FlutterPcmSound.play(); FlutterPcmSound.play();
@ -651,10 +662,14 @@ class TalkViewLogic extends BaseGetXController {
// 音频帧处理 // 音频帧处理
Future<void> _onFrame(List<int> frame) async { Future<void> _onFrame(List<int> frame) async {
final applyGain = _applyGain(frame, 1.6); // 根据平台设置不同的音频增益系数，iOS使用较低增益避免影响接收端灵敏度
double gainFactor = Platform.isIOS ? 0.6 : 1.2;
// 应用增益
final gainApplied = _applyGain(frame, gainFactor);
// 编码为G711数据 // 编码为G711数据
List<int> encodedData = G711Tool.encode(applyGain, 0); // 0表示A-law List<int> encodedData = G711Tool.encode(gainApplied, 0); // 0表示A-law
_bufferedAudioFrames.addAll(encodedData); _bufferedAudioFrames.addAll(encodedData);
// 启动定时发送器（仅启动一次） // 启动定时发送器（仅启动一次）