试析音频信号的反相检测与处理

Analysis of inversion detection and processing for audio signal

由于音频节目源在不断的更新换代,广播电台里很多广播的节目在制作时没有经过专业编辑或制作人来进行认真审核,导致在节目播出时出现音频信号反相,左声道与右声道电平差超出可接受的范围等问题,导致听众收听感受变差。尤其是音频节目播出时出现的信号反相问题会对广播播出的质量以及安全造成直接影响。文章将针对信号反相以及如何进行反相的识别与判断进行相关的阐述,并对这一问题提出一些处理措施。

There are many radio broadcasts programmers in production without professional editor or producer to carefully examine and verify,because the audio program is constantly renewal and replacement.Then broadcast audio signal reversed phase,the difference of left channel and right channel level are beyond the range of acceptable and audience perception deteriorates.In particular,the problem of signal inversion during the broadcasting of audio programs will have a direct impact on the quality and safety of broadcasting.This paper shows the signal inversion and how to identify and judge it,and some treatment measures are also included.