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    • 19. 发明授权
    • Playback apparatus and playback method
    • 播放设备和播放方法
    • US07978860B2
    • 2011-07-12
    • US11392581
    • 2006-03-30
    • Masayoshi MiuraSusumu Yabe
    • Masayoshi MiuraSusumu Yabe
    • H04R5/00H04R5/02
    • H04R5/04
    • A playback apparatus includes a forming section which, on the basis of an audio signal to be played back, forms audio signals on a plurality of channels for emitting sounds from a pair of sound sources, and a signal processing section which, on each of the audio signals formed by the forming section, performs signal processing for forming a targeted sound field. The signal processing section inclines a sound pressure distribution so that, for each sound source, sound pressure levels of sounds emitted from the sound source to a listening position increase in inverse proportion to angles formed between emitting directions of the sounds emitted from the sound source to the listening position and a straight line connecting the pair of sound sources.
    • 一种播放装置,包括:形成部,其根据要回放的音频信号,在多个声道上形成用于从一对声源发出声音的音频信号;以及信号处理部, 由形成部分形成的音频信号执行用于形成目标声场的信号处理。 信号处理部倾斜声压分布,使得对于每个声源,从声源发射到收听位置的声音的声压级与从声源发出的声音的发射方向之间形成的角度成反比, 聆听位置和连接该对声源的直线。