鸿蒙简易录音笔应用开发指南一、系统架构设计基于HarmonyOS的录音笔应用采用三层架构:音频层:音频采集与处理存储层:本地压缩存储与云端同步控制层:语音活动检测与智能同步!https:example.comharmonyrecorderarch.png二、核心代码实现语音活动检测(VAD)VoiceActivityDetector.etsimportaudiofrom'ohos.multimedia.audio';classVADProcessor{privatestaticinstance:VADProcessornull;privateaudioCapturer:audio.AudioCapture...