通过PC，在左右声道制定频率输出，采用directsound实现。-Frequency output in left and right channels.

平板电脑左右声道测试程序，用来检测平板电脑的左右声道声音输出是否正常，包含录音功能。压缩包含0-9音频文件。-Tablet around a track test program, used to detect the tablet around a track sound output is normal, including recording function.Compressed audio files contain 0-9.