1. Display Some PCM Types and Formats 2. Opening PCM Device and Setting Parameters /* This example opens the default PCM device, sets some parameters, and then displays the value of most of the hardware parameters. It does not perform any sound playb…
1.channel 通道,即我们熟知的声道数.左/右声道,5.1channel等等 2.sample A sample is a single value that describes the amplitude of the audio signal at a single point in time, on a single channel. sample即一次采样,通常的sample bit指的是一个channnel上,一次采样的bit数(常见的sample bit 8/16/24/32b…