| 摘要 |
<p>There is provided an audio signal processing device capable of preferably isolating each of audio signals of a plurality of sound sources from two channels of audio signals containing sound audio signals of a plurality of sound sources. The device includes: division means (101, 102) for dividing each of the audio signals of the two channels into a plurality of frequency bands; level comparison means (103) for calculating the level ratio or the level difference of the audio signals of the two channels in each of the frequency bands divided; and at least three output control means for extracting a frequency band component having the level ratio or level difference calculated by the level comparison means which is a predetermined value including its vicinity, from at least one of the division means (101, 102) and outputting it. The frequency band components extracted and outputted by the at least three output control means are frequency band components whose level ratios or level differences are the predetermined values including their vicinity different from one another.</p> |
