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    • 1. 发明授权
    • Network telephone set and audio decoding device
    • 网络电话机和音频解码装置
    • US07505912B2
    • 2009-03-17
    • US10671714
    • 2003-09-29
    • Kozo OkudaMika KirimotoHiroyuki HiraiHiroki Onishi
    • Kozo OkudaMika KirimotoHiroyuki HiraiHiroki Onishi
    • G10L21/00
    • H04L65/604G10L21/04H04L29/06027H04L65/80
    • An audio decoding device includes a playback speed change device for changing, with respect to a decoded audio signal obtained by a decoding device, the playback speed thereof; an output buffer for temporarily storing a digital audio signal outputted from the playback speed change device; a read out device for reading out the digital audio signals stored in the output buffer at predetermined time intervals; a playback speed control device for controlling the playback speed change device on the basis of the number of packets stored in the jitter buffer; and decoding timing control means for controlling the timing of decoding by the decoding device on the basis of the amount of data stored in the output buffer.
    • 音频解码装置包括:重放速度改变装置,用于相对于由解码装置获得的解码音频信号改变其回放速度; 用于临时存储从重放速度改变装置输出的数字音频信号的输出缓冲器; 读出装置,用于以预定的时间间隔读出存储在输出缓冲器中的数字音频信号; 播放速度控制装置,用于根据存储在抖动缓冲器中的分组数来控制播放速度改变装置; 以及解码定时控制装置,用于根据存储在输出缓冲器中的数据量来控制解码装置的解码定时。