The record shows recorded on the soundcarrier signal quality, that is, the final program of this recording system audio signal quality.
这个记录载体上记录的节目声音信号的质量，也就是这个录制系统的最终节目声音信号的质量。
2
FM sound sync-broadcasting has overlapped service zone, the same carrier frequency and the source of the program, which can broadcast in-phase at the same time.