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通过对双耳声压进行相关分析,探讨了立体声重发时通路时间差对声像定位的影响,并进行了声像定位实验。结果表明,在低频ｆ≤０．６ｋＨｚ时,通路时间差不能有效地产生声像移动。只有ｆ＞０．７ｋＨｚ时,通路时间差的影响才逐渐明显。并且通路时间差所产生的声像位置明显与频率有关,声像的明晰度、自然度都较差,因而在实际应用中应尽量避免单独利用通路时间差产生立体声声像。
Based on the correlation analysis of the sound pressure of the binocular, the impact of the passage time difference on the sound image localization during stereo retransmission was discussed, and the sound image localization experiment was carried out. The results show that at low frequency f≤0.6kHz, the passage time difference can not effectively produce the sound image movement. Only when f> 0.7kHz, the influence of the difference of path time becomes obvious gradually. And the passage of time differences generated by the sound image position significantly with the frequency, sound clarity, the degree of natural are poor, so in practice should try to avoid the use of access time difference to produce stereo audio.