更新时间:2022-06-27 00:41:06
请在此处查看答案 AudioServicesPlaySystemSound音量? 它说明了系统声音并不总是使用系统音量.
Please see the answer here AudioServicesPlaySystemSound Volume? It explains that system sounds don't always use the system volume.
我建议改用AVAudioPlayer播放声音.
I suggest using AVAudioPlayer to play your sound instead.