构造函数
new AudioConfig()
new AudioConfig(): AudioConfig返回值
AudioConfig属性
sampleRate
sampleRate: AudioSampleRate =AudioSampleRate.SAMPLE_RATE_NONE
channelMask
channelMask: AudioChannelMask =AudioChannelMask.CHANNEL_NONE
format
format: AudioSampleFormat =AudioSampleFormat.FORMAT_PCM_16_BIT

