公开(公告)号：US20100265399A1

公开(公告)日：2010-10-21

申请号：US12715700

申请日：2010-03-02

申请人： Shigeru INOUE ,  Takao Sasamura ,  Kojiro Kamizono ,  Ayataka Nishio ,  Takao Fukui

发明人： Shigeru INOUE ,  Takao Sasamura ,  Kojiro Kamizono ,  Ayataka Nishio ,  Takao Fukui

IPC分类号： H04N5/04

CPC分类号： H04N7/181 ,  H04R5/027 ,  H04R2205/024 ,  H04S3/002 ,  H04S2400/15

摘要： Provided is a video/audio input/output system including a video/audio input system including a video input device and a plurality of audio input devices and a video/audio output system including a video output device having a display surface, the video output device being for outputting a video on the display surface based on a video signal obtained by the video input device, and a plurality of audio output devices respectively corresponding to the plurality of audio input devices. The plurality of audio output devices are each installed at a location determined by decreasing or increasing, according to a reduction rate or an enlargement rate of the video to a real size and with a centre of the video as a reference, a distance from the centre of the video to a foot of a perpendicular drawn from the location of installation of the corresponding audio input device to the display surface, and the plurality of audio output devices output audio based on the audio signals obtained by the corresponding audio input devices.

摘要翻译： 提供一种视频/音频输入/输出系统，包括包括视频输入设备和多个音频输入设备的视频/音频输入系统，以及包括具有显示表面的视频输出设备的视频/音频输出系统，视频输出设备 用于基于由视频输入装置获得的视频信号在显示表面上输出视频，以及分别对应于多个音频输入装置的多个音频输出装置。 多个音频输出装置各自安装在根据视频的缩小率或放大率到实际大小并以视频的中心作为参考，通过减小或增加距离中心的距离来确定的位置 的视频输入到从相应的音频输入设备的安装位置到显示表面的垂直的脚，并且多个音频输出设备基于由相应的音频输入设备获得的音频信号来输出音频。

公开(公告)号：US08873761B2

公开(公告)日：2014-10-28

申请号：US12815729

申请日：2010-06-15

申请人： Takao Fukui ,  Ayataka Nishio

发明人： Takao Fukui ,  Ayataka Nishio

IPC分类号： H04R5/00 ,  H03G3/00 ,  H04R5/02 ,  H04S7/00

CPC分类号： H04S7/30 ,  H04S2420/01

摘要： An audio signal processing device includes: head related transfer function convolution processing units convoluting head related transfer functions with audio signals of respective channels of plural channels, which allow the listener to listen to sound so that sound images are localized at assumed virtual sound image localization positions concerning respective channels of the plural channels of two or more channels when sound is reproduced by electro-acoustic transducer means; and 2-channel signal generation means for generating 2-channel audio signals to be supplied to the electro-acoustic transducer means from audio signals of plural channels from the head related transfer function convolution processing units, wherein, in the head related transfer function convolution processing units, at least a head related transfer function concerning direct waves from the assumed virtual image localization positions concerning a left channel and a right channel in the plural channels to both ears of the listener is not convoluted.

摘要翻译： 音频信号处理装置包括：头相关传输函数卷积处理单元，卷积头相关传输函数与多个声道的各个声道的音频信号，这允许收听者收听声音，使得声音图像被定位在假定的虚拟声像定位位置 关于由电声换能器装置再现声音时，两声道或多声道的多声道的各声道; 以及2声道信号发生装置，用于从头部相关的传递函数卷积处理单元的音频信号产生要提供给电声换能器装置的2声道音频信号，其中在头部相关的传递函数卷积处理 单元中，至少涉及关于来自假设的虚拟图像定位位置的关于直接波的头部相关传递函数关于多个信道中的左声道和右声道到收听者的双耳，都不会被卷积。

公开(公告)号：US08520857B2

公开(公告)日：2013-08-27

申请号：US12366056

申请日：2009-02-05

申请人： Takao Fukui ,  Ayataka Nishio

发明人： Takao Fukui ,  Ayataka Nishio

IPC分类号： H04R5/00

CPC分类号： H04S1/005 ,  H04S2420/01

摘要： A head-related transfer function measurement method includes the steps of: first measuring, including placing an acousto-electric conversion unit nearby both ears of a listener where placement of an electro-acoustic conversion unit is assumed, picking up sound waves emitted at a perceived sound source position with the acousto-electric conversion unit in a state with a dummy head or a human at the listener position, and measuring a head-related transfer function from only the sound waves directly reaching the acousto-electric conversion unit; second measuring, including picking up sound waves emitted at a perceived sound source position with the acousto-electric conversion unit, with no dummy head or human at the listener position, and measuring a natural-state transfer property from only the sound waves directly reaching the acousto-electric conversion unit; normalizing the head-related transfer function with the natural-state transfer property to obtain a normalized head-related transfer function; which is stored in a storage unit.

摘要翻译： 头相关传递函数测量方法包括以下步骤：首先测量包括将声电转换单元放置在听觉器的两耳附近，其中假设电声转换单元的放置位置，拾取感知到的声波发出的声波 声源位置，其中声电转换单元在收听者位置处于虚拟头或人的状态，并且仅从直接到达声电转换单元的声波测量头相关传递函数; 第二测量，包括在声音转换单元处感知声源位置处发出的声波拾音器，在收听者位置没有伪头或人，并且仅从直接到达声音的声波测量自然状态传递特性 声电转换单元; 使用自然状态转移属性归一化头相关传递函数，以获得归一化头部相关传递函数; 其存储在存储单元中。

公开(公告)号：US09232336B2

公开(公告)日：2016-01-05

申请号：US13154906

申请日：2011-06-07

申请人： Ayataka Nishio ,  Takao Fukui

发明人： Ayataka Nishio ,  Takao Fukui

IPC分类号： H04R5/00 ,  H04R5/02 ,  H04S7/00

CPC分类号： H04S7/305 ,  H04S2420/01

摘要： A head related transfer function generation apparatus includes a first input unit that inputs a first head related transfer function generated in a first measurement environment, a second input unit that inputs a second head related transfer function generated in a second measurement environment, and a transform normalization processing unit that normalizes a first gain of the first head related transfer function represented in frequency-axis data with a second gain of the second head related transfer function represented in frequency-axis data and also calculates a square root thereof.

摘要翻译： 头相关传递函数生成装置包括：第一输入单元，其输入在第一测量环境中生成的第一头相关传递函数;输入第二头相关传递函数的第二输入单元，其在第二测量环境中生成;以及变换归一化 处理单元，其以频率轴数据中表示的第二头相关传递函数的第二增益对频率轴数据中表示的第一头相关传递函数的第一增益进行归一化，并且还计算其平方根。

公开(公告)号：US09324334B2

公开(公告)日：2016-04-26

申请号：US13488679

申请日：2012-06-05

申请人： Takao Fukui ,  Ayataka Nishio

发明人： Takao Fukui ,  Ayataka Nishio

IPC分类号： H04B1/10 ,  G10L19/26 ,  G10L21/0388 ,  G10L19/008

CPC分类号： G10L19/26 ,  G10L19/008 ,  G10L21/0388

摘要： Provided is a signal processing apparatus, including a filter unit that filters an audio signal created by decimating a portion of frequency components by an all-pass filter and outputs a filtering result thereof as improvement components to improve sound quality of the audio signal, and an adder that generates an improved sound in which the sound quality of the audio signal is improved by adding the improvement components to the audio signal.

摘要翻译： 提供了一种信号处理装置，包括：滤波器单元，其对通过全通滤波器抽取一部分频率分量而产生的音频信号进行滤波，并输出其滤波结果作为改进分量，以改善音频信号的声音质量， 加法器，其通过将改进分量加到音频信号来产生改善的声音，其中提高音频信号的声音质量。

公开(公告)号：US08831231B2

公开(公告)日：2014-09-09

申请号：US13104614

申请日：2011-05-10

申请人： Takao Fukui ,  Ayataka Nishio

发明人： Takao Fukui ,  Ayataka Nishio

IPC分类号： H04R5/00

CPC分类号： H04S7/30 ,  H04S1/007 ,  H04S3/008 ,  H04S2400/11 ,  H04S2420/01

摘要： An audio signal processing device includes a processing unit for convoluting head-related transfer functions with audio signals of a plurality of channels, and the processing unit includes a storage unit for storing data of a double-normalized head-related transfer function by normalizing a normalized head-related transfer function obtained by normalizing a head-related transfer function in a state in which a dummy head or a person is present in a position of the listener with a transfer characteristic in a pristine state in which the dummy head or the person is not present, using a normalized head-related transfer function obtained by normalizing a head-related transfer function in the state in which the dummy head or the person is present with a transfer characteristic in the pristine state, and a convolution unit for reading the data from the storage unit and convoluting the data with the audio signals.

摘要翻译： 音频信号处理装置包括一个处理单元，用于与头部相关的传送函数与多个信道的音频信号进行卷积处理，并且处理单元包括一个存储单元，用于通过归一化归一化标准化的头相关传送函数的数据， 头部相关传递函数，其通过在虚拟头部或人物是虚拟头部或人物的原始状态中具有转移特性的情况下将头部相关的传递函数归一化为在听众的位置存在虚拟头部或人物的状态下的头部相关传递函数 不存在，使用通过在虚拟头或人物存在的状态下以原始状态具有传送特性来归一化头部相关传递函数而获得的归一化头部相关传递函数，以及用于读取数据的卷积单元 从存储单元并将数据与音频信号进行卷积。

公开(公告)号：US08503682B2

公开(公告)日：2013-08-06

申请号：US12366095

申请日：2009-02-05

申请人： Takao Fukui ,  Ayataka Nishio

发明人： Takao Fukui ,  Ayataka Nishio

IPC分类号： H04R5/00 ,  H03G3/00

CPC分类号： H04S7/304 ,  H04S1/005 ,  H04S3/004 ,  H04S2420/01

摘要： A head-related transfer function (HRTF) convolution method arranged, when an audio signal is reproduced acoustically by an electro-acoustic conversion unit disposed in a nearby position of both ears of a listener, to convolute an HRTF into the audio signal, which allows the listener to listen to the audio signal such that a sound image is localized in a perceived virtual sound image localization position, the method including the steps of: measuring, when a sound source is disposed in the virtual sound image localization position, and a sound-collecting unit is disposed in the position of the electro-acoustic conversion unit, a direct-wave direction HRTF regarding the direction of a direct wave, and reflected-wave direction HRTFs regarding the directions of selected one or more reflected waves, from the sound source to the sound-collecting unit, separately beforehand; and convoluting the obtained direct-wave direction HRTF, and the reflected-wave direction HRTFs into the audio signal.

摘要翻译： 一种头部相关传递函数（HRTF）卷积方法，当音频信号由设置在收听者的双耳的附近位置的电声转换单元声音再现时，将HRTF卷绕到音频信号中，这允许 所述收听者收听所述音频信号，使得声音图像被定位在所感知的虚拟声音图像定位位置中，所述方法包括以下步骤：当将声源设置在所述虚拟声音图像定位位置中时，测量声音 收集单元设置在电声转换单元的位置，关于直接波的方向的直接波方向HRTF以及关于从所述声音中选择的一个或多个反射波的方向的反射波方向HRTF 来源于收音单元，预先分开; 并将获得的直波方向HRTF和反射波方向HRTF卷积成音频信号。

公开(公告)号：US20120328123A1

公开(公告)日：2012-12-27

申请号：US13488679

申请日：2012-06-05

申请人： Takao Fukui ,  Ayataka Nishio

发明人： Takao Fukui ,  Ayataka Nishio

IPC分类号： H03G5/00

CPC分类号： G10L19/26 ,  G10L19/008 ,  G10L21/0388

摘要： Provided is a signal processing apparatus, including a filter unit that filters an audio signal created by decimating a portion of frequency components by an all-pass filter and outputs a filtering result thereof as improvement components to improve sound quality of the audio signal, and an adder that generates an improved sound in which the sound quality of the audio signal is improved by adding the improvement components to the audio signal.

摘要翻译： 提供了一种信号处理装置，包括：滤波器单元，其对通过全通滤波器抽取一部分频率分量而产生的音频信号进行滤波，并输出其滤波结果作为改进分量，以改善音频信号的声音质量， 加法器，其通过将改进分量加到音频信号来产生改善的声音，其中提高音频信号的声音质量。

公开(公告)号：US20110286601A1

公开(公告)日：2011-11-24

申请号：US13104614

申请日：2011-05-10

申请人： Takao Fukui ,  Ayataka Nishio

发明人： Takao Fukui ,  Ayataka Nishio

IPC分类号： H04R5/00

CPC分类号： H04S7/30 ,  H04S1/007 ,  H04S3/008 ,  H04S2400/11 ,  H04S2420/01

摘要： An audio signal processing device includes a processing unit for convoluting head-related transfer functions with audio signals of a plurality of channels, and the processing unit includes a storage unit for storing data of a double-normalized head-related transfer function by normalizing a normalized head-related transfer function obtained by normalizing a head-related transfer function in a state in which a dummy head or a person is present in a position of the listener with a transfer characteristic in a pristine state in which the dummy head or the person is not present, using a normalized head-related transfer function obtained by normalizing a head-related transfer function in the state in which the dummy head or the person is present with a transfer characteristic in the pristine state, and a convolution unit for reading the data from the storage unit and convoluting the data with the audio signals.

摘要翻译： 音频信号处理装置包括一个处理单元，用于与头部相关的传送函数与多个信道的音频信号进行卷积处理，并且处理单元包括一个存储单元，用于通过归一化归一化标准化的头相关传送函数的数据， 头部相关传递函数，其通过在虚拟头部或人物是虚拟头部或人物的原始状态中具有转移特性的情况下将头部相关的传递函数归一化为在听众的位置存在虚拟头部或人物的状态下的头部相关传递函数 不存在，使用通过在虚拟头或人物存在的状态下以原始状态具有传送特性来归一化头部相关传递函数而获得的归一化头部相关传递函数，以及用于读取数据的卷积单元 从存储单元并将数据与音频信号进行卷积。

公开(公告)号：US20100322428A1

公开(公告)日：2010-12-23

申请号：US12815729

申请日：2010-06-15

申请人： Takao Fukui ,  Ayataka Nishio

发明人： Takao Fukui ,  Ayataka Nishio

IPC分类号： H04R5/04

CPC分类号： H04S7/30 ,  H04S2420/01

摘要： An audio signal processing device includes: head related transfer function convolution processing units convoluting head related transfer functions with audio signals of respective channels of plural channels, which allow the listener to listen to sound so that sound images are localized at assumed virtual sound image localization positions concerning respective channels of the plural channels of two or more channels when sound is reproduced by electro-acoustic transducer means; and 2-channel signal generation means for generating 2-channel audio signals to be supplied to the electro-acoustic transducer means from audio signals of plural channels from the head related transfer function convolution processing units, wherein, in the head related transfer function convolution processing units, at least a head related transfer function concerning direct waves from the assumed virtual image localization positions concerning a left channel and a right channel in the plural channels to both ears of the listener is not convoluted.

摘要翻译： 音频信号处理装置包括：头相关传输函数卷积处理单元，卷积头相关传输函数与多个声道的各个声道的音频信号，这允许收听者收听声音，使得声音图像被定位在假定的虚拟声像定位位置 关于由电声换能器装置再现声音时，两声道或多声道的多声道的各声道; 以及2声道信号发生装置，用于从头部相关的传递函数卷积处理单元的音频信号产生要提供给电声换能器装置的2声道音频信号，其中在头部相关的传递函数卷积处理 单元中，至少涉及关于来自假设的虚拟图像定位位置的关于直接波的头部相关传递函数关于多个信道中的左声道和右声道到收听者的双耳，都不会被卷积。