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    • 3. 发明授权
    • Audio processing device
    • 音频处理设备
    • US08634275B2
    • 2014-01-21
    • US12910182
    • 2010-10-22
    • Kazunobu KondoKenichi YamauchiHideki Kemmochi
    • Kazunobu KondoKenichi YamauchiHideki Kemmochi
    • H04B1/06
    • H04B1/06H04R1/406H04R3/005
    • In an audio processing device, a target sound emphasizer generates a target sound emphasized component by emphasizing a target sound component contained in a plurality of audio signals generated by a plurality of sound receiving devices. A stereo processor generates a stereo component of a plurality of channels from the plurality of audio signals. A first adjuster adjusts a sound pressure level of the target sound emphasized component according to a first adjustment value, and a second adjuster adjusts a sound pressure level of the stereo component according to a second adjustment value. A variable setter variably sets a zoom value which is changeable between a wide angle side and a telephoto side relative to a target. An adjustment controller controls the first adjustment value according to the zoom value such that the sound pressure level of the target sound emphasized component exponentially decreases as the zoom value changes toward the wide-angle side and controls the second adjustment value according to the zoom value such that the sound pressure level of the stereo component increases as the zoom value changes toward the wide-angle side.
    • 在音频处理装置中,目标声音增强器通过强调由多个声音接收装置产生的多个音频信号中包含的目标声音成分来产生目标声音强调分量。 立体声处理器从多个音频信号产生多个声道的立体声分量。 第一调节器根据第一调整值调整目标声音增强分量的声压级,并且第二调节器根据第二调整值调节立体声分量的声压级。 可变设定器可变地设置相对于目标物在广角侧和长焦侧之间可变的变焦值。 调节控制器根据变焦值控制第一调整值,使得目标声音强调成分的声压级随着变焦值向广角侧变化而指数地减小,并且根据变焦值控制第二调整值, 立体声分量的声压级随着变焦值向广角侧变化而增加。
    • 5. 发明授权
    • Vector quantizer and vector quantization method
    • 矢量量化器和矢量量化方法
    • US06278385B1
    • 2001-08-21
    • US09495411
    • 2000-01-31
    • Kazunobu KondoKenichi YamauchiEiko Kobayashi
    • Kazunobu KondoKenichi YamauchiEiko Kobayashi
    • H03M700
    • H04N21/8358G06T9/008H04N19/126H04N19/60H04N21/23892
    • A vector quantizer and a vector quantization method are provided, which do not allow the embedding position of the watermark information to be identified easily, and thus enable unfair use of the vector quantized information to be accurately found out. Waveform extraction is performed on input signal data to output extracted waveform data. Index data are generated based on the output extracted waveform data. As index data to be generated based on predetermined extracted waveform data in which no watermark information is to be embedded, out of the output extracted waveform data, index data is randomly selected, which corresponds to the predetermined extracted waveform data from a plurality of index data which, when decoded, have amounts of errors falling within a predetermined range with respect to the predetermined extracted waveform data before decoding.
    • 提供了一种矢量量化器和矢量量化方法,其不允许容易地识别水印信息的嵌入位置,从而使得能够不正确地使用矢量量化信息被精确地找出。 对输入信号数据进行波形提取,输出提取的波形数据。 基于输出提取的波形数据生成索引数据。 作为根据其中不嵌入水印信息的预定提取波形数据生成的索引数据,从输出提取的波形数据中随机选择与多个索引数据中的预定提取的波形数据相对应的索引数据 其在解码时相对于解码之前的预定提取波形数据具有落在预定范围内的误差量。