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    • 83. 发明申请
    • Audio Processing Apparatus and Audio Processing Method
    • 音频处理装置和音频处理方法
    • US20080269930A1
    • 2008-10-30
    • US12093049
    • 2007-06-26
    • Kosei YamashitaShinichi Honda
    • Kosei YamashitaShinichi Honda
    • G06F17/00
    • G10L19/008G10L19/0204H04R5/04H04R2227/009H04R2420/01H04S2420/07
    • In FIG. 1, a user selects a plurality of pieces of music data desired to be reproduced concurrently, at an input unit 18 of an audio processing apparatus 16, from music data stored in a storage device 12. A reproducing apparatus 14 reproduces selected music data respectively and generates a plurality of audio signals under the control of a control unit 20. An audio processing unit 24 performs allocation of frequency band, extraction of a frequency component, time-division, periodic modulation, processing and allocation of a sound image, to respective audio signals under the control of the control unit 20. Then the audio processing unit 24 attaches segregation information of audio signals and information on the degree of emphasis to respective audio signals. The down mixer 26 mixes a plurality of audio signals and outputs as an audio signal having a predetermined number of channels, then an output unit 30 outputs the signal as sounds.
    • 在图 如图1所示,用户在音频处理设备16的输入单元18处从存储在存储设备12中的音乐数据中选择期望再现的多条音乐数据。再现设备14分别再现选择的音乐数据, 在控制单元20的控制下产生多个音频信号。音频处理单元24执行频带的分配,频率分量的提取,时分,周期调制,声像的处理和分配到各个音频 信号。然后,音频处理单元24将音频信号的分离信息和关于各个音频信号的强调度的信息附加在一起。 下混合器26将多个音频信号和输出混合成具有预定数量的通道的音频信号,然后输出单元30将该信号作为声音输出。