长期以来,很少有人注意扬声器发出的声音相位问题,即其相位是否和录音时原声的相位相同。因为在人们的感觉中,绝对相位不同的声波对人的听官感觉似乎是相同的,它不象视频信号相位相反时黑白颠倒那么明显。所谓绝对相位,是指某一音符在录音时声源是使前方空气压 For a long time, very few people paid attention to the issue of the sound phase of the speaker, that is, its phase and sound recording the same phase. Because in people’s minds, sound waves of absolutely different phases appear to be identical to the sense of hearing of a person, not as obvious as a black-and-white reversal when the video signal is in phase opposition. The so-called absolute phase, refers to a note when the sound source is to make the front air pressure