| 摘要 |
PROBLEM TO BE SOLVED: To provide a technique suppressing an audio of an important channel from being hard to hear in reproduction of an audio having audios of a plurality of channels mixed.SOLUTION: An audio processing device comprises: a gain adjustment part (4) which dynamically adjust gains of audio signals by channels so as to hold sound volume of an outputted audio proper; and an addition part (5) which weighting and adding audio signals by the channels having gains adjusted by the gain adjustment part according to coefficients of the channels, the gain adjustment part adjusting a gain of an audio signal of each channel according to importance of the channel.SELECTED DRAWING: Figure 1 |
