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    • 1. 发明授权
    • Acoustic correction apparatus, audio output apparatus, and acoustic correction method
    • 声校正装置,音频输出装置和声校正方法
    • US08498429B2
    • 2013-07-30
    • US13044327
    • 2011-03-09
    • Yasuhiro KanishimaTakanobu MukaideToshifumi Yamamoto
    • Yasuhiro KanishimaTakanobu MukaideToshifumi Yamamoto
    • H04R29/00H04B3/20H04B15/00H03G5/00
    • H03G9/025H04S7/305
    • According to one embodiment, an acoustic correction apparatus includes an input module, a calculator, a divider, a converter, an extractor, a synthesizer, and a generator. The input module receives an audio signal propagated through a sound field. The calculator calculates an impulse response from the audio signal. The divider divides the impulse response into first and second impulse responses. The converter converts the first and second impulse responses into first and second frequency spectrums. The extractor specifies an amplitude component of the first frequency spectrum with a peak relatively higher than that of the amplitude component of the first frequency spectrum, and extracts the peak as a resonance component. The synthesizer synthesizes a first property and a second property for attenuating the resonance component. The generator generates a correction filter for performing correction to obtain the synthesized property.
    • 根据一个实施例,声学校正装置包括输入模块,计算器,分频器,转换器,提取器,合成器和发生器。 输入模块接收通过声场传播的音频信号。 计算器从音频信号计算脉冲响应。 分频器将脉冲响应分为第一和第二脉冲响应。 转换器将第一和第二脉冲响应转换成第一和第二频谱。 提取器以相对高于第一频谱的振幅分量的峰值来指定第一频谱的振幅分量,并将峰值提取为谐振分量。 合成器合成用于衰减共振分量的第一特性和第二特性。 发生器产生用于执行校正以获得合成特性的校正滤波器。
    • 2. 发明申请
    • ACOUSTIC CORRECTION APPARATUS, AUDIO OUTPUT APPARATUS, AND ACOUSTIC CORRECTION METHOD
    • 声学校正装置,音频输出装置和声学校正方法
    • US20120002823A1
    • 2012-01-05
    • US13044327
    • 2011-03-09
    • Yasuhiro KANISHIMATakanobu MukaideToshifumi Yamamoto
    • Yasuhiro KANISHIMATakanobu MukaideToshifumi Yamamoto
    • H03G5/00
    • H03G9/025H04S7/305
    • According to one embodiment, an acoustic correction apparatus includes an input module, a calculator, a divider, a converter, an extractor, a synthesizer, and a generator. The input module receives an audio signal propagated through a sound field. The calculator calculates an impulse response from the audio signal. The divider divides the impulse response into first and second impulse responses. The converter converts the first and second impulse responses into first and second frequency spectrums. The extractor specifies an amplitude component of the first frequency spectrum with a peak relatively higher than that of the amplitude component of the first frequency spectrum, and extracts the peak as a resonance component. The synthesizer synthesizes a first property and a second property for attenuating the resonance component. The generator generates a correction filter for performing correction to obtain the synthesized property.
    • 根据一个实施例,声学校正装置包括输入模块,计算器,分频器,转换器,提取器,合成器和发生器。 输入模块接收通过声场传播的音频信号。 计算器从音频信号计算脉冲响应。 分频器将脉冲响应分为第一和第二脉冲响应。 转换器将第一和第二脉冲响应转换成第一和第二频谱。 提取器以相对高于第一频谱的振幅分量的峰值来指定第一频谱的振幅分量,并将峰值提取为谐振分量。 合成器合成用于衰减共振分量的第一特性和第二特性。 发生器产生用于执行校正以获得合成特性的校正滤波器。
    • 4. 发明申请
    • COMPRESSED DATA TRANSFER APPARATUS AND METHOD FOR TRANSFERRING COMPRESSED DATA
    • 压缩数据传输装置和传输压缩数据的方法
    • US20080162899A1
    • 2008-07-03
    • US11832929
    • 2007-08-02
    • Takanobu MUKAIDE
    • Takanobu MUKAIDE
    • G06F9/44
    • H03M7/30G11B20/00007G11B2020/10537G11B2020/1288
    • According to an embodiment, a compressed data transfer apparatus includes: a data size calculation unit that calculates a data size to be transferred to a decoding apparatus for a time period corresponding to a difference between a first decoding delay time for which a last decode unit data in a first compressed data resides in the decoding apparatus and a second decoding delay time for which a first decode unit data in a second compressed data successive to the first compressed data resides in the decoding apparatus when transferring the second compressed data successively to the first compressed data to the decoding apparatus; and a data size adjustment unit that adjusts a data size of the last decode unit data in the first compressed data to be matched with the data size calculated by the data size calculation unit.
    • 根据实施例,压缩数据传送装置包括:数据大小计算单元,其计算要传送到解码装置的数据大小的时间段对应于最后解码单元数据的第一解码延迟时间之间的差值 在第一压缩数据中存在于解码装置和第二解码延迟时间,当将第二压缩数据连续传送到第一压缩数据时,与第一压缩数据连续的第二压缩数据中的第一解码单元数据驻留在解码装置中 数据到解码装置; 以及数据大小调整单元,其调整要与由数据大小计算单元计算出的数据大小相匹配的第一压缩数据中的最后解码单元数据的数据大小。
    • 8. 发明申请
    • VOICE OUTPUTTING APPARATUS AND VOICE OUTPUTTING METHOD
    • 语音输出设备和语音输出方法
    • US20080267414A1
    • 2008-10-30
    • US11928301
    • 2007-10-30
    • Takanobu Mukaide
    • Takanobu Mukaide
    • H04R5/00
    • H04S1/007
    • According to one embodiment, an audio outputting apparatus comprises: an audio outputting apparatus comprising: a first input unit to which a first compressed audio stream is input with respect to each frame, the first compressed audio stream including a compressed audio data and an extended data; a second input unit to which a second compressed audio stream is input with respect to each frame, the second compressed audio stream including a compressed audio data; a multiplex unit that inserts the second compressed audio stream into an extended data region of a corresponding frame of the first compressed audio stream to generate a multiplexed compressed audio stream; and an output unit that externally outputs the multiplexed compressed audio stream in a predetermined transmission mode.
    • 根据一个实施例,音频输出装置包括:音频输出装置,包括:相对于每个帧向其输入第一压缩音频流的第一输入单元,所述第一压缩音频流包括压缩音频数据和扩展数据 ; 相对于每个帧输入第二压缩音频流的第二输入单元,所述第二压缩音频流包括压缩音频数据; 多路复用单元,其将所述第二压缩音频流插入到所述第一压缩音频流的相应帧的扩展数据区域中,以生成多路复用的压缩音频流; 以及输出单元,其以预定的传输模式外部输出多路复用的压缩音频流。
    • 10. 发明申请
    • Playback apparatus
    • 播放装置
    • US20070223885A1
    • 2007-09-27
    • US11724562
    • 2007-03-15
    • Shinji KunoTakanobu Mukaide
    • Shinji KunoTakanobu Mukaide
    • H04N7/00
    • H04N21/4341G10L19/16H04N21/2368H04N21/44029H04N21/8106
    • According to one embodiment, a playback apparatus includes first to third digital signal processors. The first digital signal processor includes decode functions corresponding to a plurality of kinds of compression-decoding schemes and decodes first audio data, which is compression-encoded by using an arbitrary one of the plurality of kinds of compression-encoding schemes, thereby generating a first digital audio signal. The second digital signal processor includes decode functions corresponding to the plurality of kinds of compression-decoding schemes and decodes second audio data, which is compression-encoded by using an arbitrary one of the plurality of kinds of compression-encoding schemes, thereby generating a second digital audio signal. The third digital signal processor executes a mixing process of mixing the first digital audio signal and the second digital audio signal, thereby generating a digital audio output signal.
    • 根据一个实施例,重放装置包括第一至第三数字信号处理器。 第一数字信号处理器包括与多种压缩解码方案相对应的解码功能,并对通过使用多种压缩编码方式中的任意一种压缩编码的第一音频数据进行解码,从而产生第一 数字音频信号。 第二数字信号处理器包括与多种压缩解码方案相对应的解码功能,并对通过使用多种压缩编码方案中的任意一种压缩编码的第二音频数据进行解码,从而产生第二 数字音频信号。 第三数字信号处理器执行混合第一数字音频信号和第二数字音频信号的混合处理,从而产生数字音频输出信号。