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公开(公告)号：US08081622B2
公开(公告)日：2011-12-20
申请号：US11486827
申请日：2006-07-14
CPC分类号： H04L47/10 , G10L19/00 , G10L19/22 , H04L43/087 , H04L47/22 , H04L47/283 , H04L47/32
摘要： It is an object of this invention to improve speech quality in voice communications.Provided is a jitter buffer controller for controlling a jitter buffer in which arrived packets are accumulated, including: a jitter measuring portion for measuring jitters in the arrived packets; a judging portion for judging whether or not the jitters of the packets can be absorbed with an accumulation capacity of the jitter buffer; a determining portion for determining levels of importance of the packets; and a control portion for performing reproduction processing or discarding processing on a packet, among the packets accumulated in the jitter buffer, having jitter that cannot be absorbed with the accumulation capacity of the buffer, depending on a level of importance of the packet.
摘要翻译： 本发明的目的是提高语音通信中的语音质量。 提供了一种用于控制累积到达分组的抖动缓冲器的抖动缓冲器控制器，包括：用于测量到达分组中的抖动的抖动测量部分; 用于判断所述分组的抖动能否被所述抖动缓冲器的累积容量吸收的判断部分; 用于确定分组的重要性的级别的确定部分; 以及控制部分，用于根据分组的重要性的水平，在积累在抖动缓冲器中的分组之间执行再现处理或废弃处理，具有不能被缓冲器的累积容量吸收的抖动。
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公开(公告)号：US20070223467A1
公开(公告)日：2007-09-27
申请号：US11486827
申请日：2006-07-14
IPC分类号： H04L12/50
CPC分类号： H04L47/10 , G10L19/00 , G10L19/22 , H04L43/087 , H04L47/22 , H04L47/283 , H04L47/32
摘要： It is an object of this invention to improve speech quality in voice communications. Provided is a jitter buffer controller for controlling a jitter buffer in which arrived packets are accumulated, including: a jitter measuring portion for measuring jitters in the arrived packets; a judging portion for judging whether or not the jitters of the packets can be absorbed with an accumulation capacity of the jitter buffer; a determining portion for determining levels of importance of the packets; and a control portion for performing reproduction processing or discarding processing on a packet, among the packets accumulated in the jitter buffer, having jitter that cannot be absorbed with the accumulation capacity of the buffer, depending on a level of importance of the packet.
摘要翻译： 本发明的目的是提高语音通信中的语音质量。 提供了一种用于控制累积到达分组的抖动缓冲器的抖动缓冲器控制器，包括：用于测量到达分组中的抖动的抖动测量部分; 用于判断所述分组的抖动能否被所述抖动缓冲器的累积容量吸收的判断部分; 用于确定分组的重要性的级别的确定部分; 以及控制部分，用于根据分组的重要性水平，在积累在抖动缓冲器中的分组之间执行对不能被缓冲器的累积容量吸收的抖动的分组的再现处理或废弃处理。
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3.发明申请Fluctuation absorbing buffer apparatus and packet voice communication apparatus 审中-公开波动吸收缓冲装置和分组语音通信装置公开(公告)号：US20070201498A1
公开(公告)日：2007-08-30
申请号：US11411991
申请日：2006-04-26
CPC分类号： H04L47/10 , H04L47/2416 , H04L47/283
摘要： A fluctuation absorbing buffer apparatus configured to absorb, by means of a reproduction buffer, a transmission delay time fluctuation occurring in a voice packet communication system, includes: a packet state notifying part carrying out decrease notification when the number of voice packets stored in the reproduction buffer decrease; a voice determining part carrying out determination as to whether or not voice exists on the voice packets stored in the reproduction buffer; and voice reproduction control part repeatedly reproducing voice packets determined as not having voice when decrease is notified by said packet state notifying part.
摘要翻译： 一种波动吸收缓冲装置，被配置为通过再现缓冲器吸收在语音分组通信系统中发生的传输延迟时间波动，包括：当存储在再现中的语音分组的数量时，分组状态通知部分执行减少通知 缓冲减少; 声音确定部分执行对存储在再现缓冲器中的语音分组是否存在语音的确定; 语音再现控制部分，当通过所述分组状态通知部分通知减少时，重复地再现被确定为没有语音的语音分组。
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公开(公告)号：US20080071541A1
公开(公告)日：2008-03-20
申请号：US11878596
申请日：2007-07-25
IPC分类号： G10L13/00
CPC分类号： G10L19/0204 , G10L21/038
摘要： An audio signal interpolation device comprises a spectral movement calculation unit which determines a spectral movement which is indicative of a difference in each of spectral components between a frequency spectrum of a current frame of an input audio signal and a frequency spectrum of a previous frame of the input audio signal stored in a spectrum storing unit. An interpolation band determination unit determines a frequency band to be interpolated by using the frequency spectrum of the current frame and the spectral movement. A spectrum interpolation unit performs interpolation of spectral components in the frequency band for the current frame by using either the frequency spectrum of the current frame or the frequency spectrum of the previous frame.
摘要翻译： 音频信号插值装置包括频谱移动计算单元，其确定表示输入音频信号的当前帧的频谱与前一帧的频谱之间的频谱分量中的每个频谱分量的差的频谱移动 输入存储在频谱存储单元中的音频信号。 插值频带确定单元通过使用当前帧的频谱和频谱移动来确定要内插的频带。 频谱内插单元通过使用当前帧的频谱或前一帧的频谱来对当前帧的频带中的频谱分量进行插值。
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公开(公告)号：US07957973B2
公开(公告)日：2011-06-07
申请号：US11878596
申请日：2007-07-25
IPC分类号： G10L13/00
CPC分类号： G10L19/0204 , G10L21/038
摘要： An audio signal interpolation device comprises a spectral movement calculation unit which determines a spectral movement which is indicative of a difference in each of spectral components between a frequency spectrum of a current frame of an input audio signal and a frequency spectrum of a previous frame of the input audio signal stored in a spectrum storing unit. An interpolation band determination unit determines a frequency band to be interpolated by using the frequency spectrum of the current frame and the spectral movement. A spectrum interpolation unit performs interpolation of spectral components in the frequency band for the current frame by using either the frequency spectrum of the current frame or the frequency spectrum of the previous frame.
摘要翻译： 音频信号插值装置包括频谱移动计算单元，其确定表示输入音频信号的当前帧的频谱与前一帧的频谱之间的频谱分量中的每个频谱分量的差的频谱移动 输入存储在频谱存储单元中的音频信号。 插值频带确定单元通过使用当前帧的频谱和频谱移动来确定要内插的频带。 频谱内插单元通过使用当前帧的频谱或前一帧的频谱来对当前帧的频带中的频谱分量进行插值。
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公开(公告)号：US07734053B2
公开(公告)日：2010-06-08
申请号：US11390054
申请日：2006-03-27
CPC分类号： G10L19/0204 , G10L19/002 , G10L19/008
摘要： An encoding apparatus compresses a stereo signal using a sum signal and a difference signal of a left component signal and a right component signal of the stereo signal. The encoding apparatus includes a calculating unit that calculates complexity of the sum signal and complexity of the difference signal; a setting unit that sets, based on the complexity, an allocation rate of bits to be allocated in quantizing the sum signal and the difference signal; and a quantizing unit that quantizes the sum signal and the difference signal based on the allocation rate.
摘要翻译： 编码装置使用和信号和立体声信号的左分量信号和右分量信号的差分信号来压缩立体声信号。 编码装置包括计算和信号的复杂度和差分信号的复杂度的计算单元; 设置单元，其基于复杂度设置在量化所述和信号和所述差信号中要分配的比特的分配速率; 以及量化单元，其基于分配率量化和信号和差分信号。
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公开(公告)号：US20070127585A1
公开(公告)日：2007-06-07
申请号：US11390054
申请日：2006-03-27
IPC分类号： H04L23/02
CPC分类号： G10L19/0204 , G10L19/002 , G10L19/008
摘要： An encoding apparatus compresses a stereo signal using a sum signal and a difference signal of a left component signal and a right component signal of the stereo signal. The encoding apparatus includes a calculating unit that calculates complexity of the sum signal and complexity of the difference signal; a setting unit that sets, based on the complexity, an allocation rate of bits to be allocated in quantizing the sum signal and the difference signal; and a quantizing unit that quantizes the sum signal and the difference signal based on the allocation rate.
摘要翻译： 编码装置使用和信号和立体声信号的左分量信号和右分量信号的差分信号来压缩立体声信号。 编码装置包括计算和信号的复杂度和差分信号的复杂度的计算单元; 设置单元，其基于复杂度设置在量化所述和信号和所述差信号中要分配的比特的分配速率; 以及量化单元，其基于分配率量化和信号和差分信号。
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公开(公告)号：US08170199B2
公开(公告)日：2012-05-01
申请号：US11840338
申请日：2007-08-17
申请人： Masanao Suzuki , Takeshi Otani , Masakiyo Tanaka
发明人： Masanao Suzuki , Takeshi Otani , Masakiyo Tanaka
摘要： In a speech communication device capable of bidirectional communication, a clock deviation between the speaker side (the receiving side) and the microphone side (the transmitting side) is detected, and based on the above deviation, either a first frequency signal (speaker signal (reference signal)) or a second frequency signal (microphone signal) is frequency-shifted in the frequency domain, and therefore, an influence caused by the clock deviation can simply be corrected without an increased processing amount, and thus, an echo can be suppressed effectively.
摘要翻译： 在能够进行双向通信的语音通信装置中，检测扬声器侧（接收侧）和麦克风侧（发送侧）之间的时钟偏差，并且基于上述偏差，将第一频率信号（扬声器信号 参考信号））或第二频率信号（麦克风信号）在频域中被频移，因此，可以简单地校正由时钟偏差引起的影响而不增加处理量，从而可以抑制回波 有效。
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公开(公告)号：US20060245584A1
公开(公告)日：2006-11-02
申请号：US11475628
申请日：2006-06-27
申请人： Takeshi Otani , Masakiyo Tanaka , Masanao Suzuki
发明人： Takeshi Otani , Masakiyo Tanaka , Masanao Suzuki
IPC分类号： H04M9/08
摘要： In a voice communication device in which a control means controls a recording volume adjustment amount for a recording volume adjusting means which adjusts a recording volume of a recording means based on a reproduction volume adjustment amount for a reproduction volume adjusting means which adjusts a reproduction volume of a reproducing means, each adjustment amount is an adjustment absolute amount or an adjustment change amount, and the control means controls the recording volume adjustment amount based on an absolute value or a change amount of the reproduction volume adjustment amount. Also, the control means determines the reproduction volume adjustment amount based on a set reproduction volume.
摘要翻译： 在一种语音通信装置中，其中控制装置控制记录音量调节装置的记录音量调节量，该记录音量调节装置基于用于调节再现音量的再现音量调节装置的再现音量调节装置来调节记录装置的记录音量 再现装置，每个调节量是调整绝对量或调节变化量，并且控制装置根据再现音量调节量的绝对值或变化量来控制记录音量调节量。 此外，控制装置基于设定的再现音量来确定再现音量调节量。
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10.发明授权Voice correction device, voice correction method, and recording medium storing voice correction program 有权语音校正装置，语音校正方法以及存储语音校正程序的记录介质公开(公告)号：US08924199B2
公开(公告)日：2014-12-30
申请号：US13331209
申请日：2011-12-20
IPC分类号： G10L19/00 , G10L21/043 , G10L21/0364 , G10L21/057 , G10L25/90 , G10L25/84
CPC分类号： G10L21/043 , G10L21/0364 , G10L21/057 , G10L25/84 , G10L25/90
摘要： A voice correction device includes a detector that detects a response from a user, a calculator that calculates an acoustic characteristic amount of an input voice signal, an analyzer that outputs an acoustic characteristic amount of a predetermined amount when having acquired a response signal due to the response from the detector, a storage unit that stores the acoustic characteristic amount output by the analyzer, a controller that calculates an correction amount of the voice signal on the basis of a result of a comparison between the acoustic characteristic amount calculated by the calculator and the acoustic characteristic amount stored in the storage unit, and a correction unit that corrects the voice signal on the basis of the correction amount calculated by the controller.
摘要翻译： 声音校正装置包括检测来自用户的响应的检测器，计算输入声音信号的声学特征量的计算器，当由于该声音信号获取了响应信号而输出预定量的声学特征量时的分析器 来自检测器的响应，存储由分析仪输出的声学特征量的存储单元，控制器，其基于由计算器计算的声学特征量与第二声音信号的比较结果来计算语音信号的校正量 存储在存储单元中的声学特征量，以及基于由控制器计算出的校正量来校正语音信号的校正单元。
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