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    • 44. 发明授权
    • Voice storage device and voice coding device
    • 语音存储设备和语音编码设备
    • US07164755B1
    • 2007-01-16
    • US09547866
    • 2000-04-12
    • Atsushi Yokoyama
    • Atsushi Yokoyama
    • H04M1/64
    • H04M1/6505G10L19/07G11B20/10527
    • The voice storage device of the invention includes a storage means that stores a voice signal, and a voice compression means that compresses the voice signal requiring a re-coding compression, of the voice signal stored in the storage means, in accordance with a compression degree and a significance of the voice signal. The voice coding device includes: an LSP quantizer that quantizes LSP parameters, an LSP multi-stage quantizer that quantizes quantization error components that the LSP quantizer is impossible to express, a pitch component coder that attains pitch components from linear predictive errors, an excitation source coder in which an excitation source is configured with a multi-stage code book, an essential code output unit that outputs a code essential to decoding from the output of the LSP quantizer, the pitch component coder, and the excitation source coder, and a sound quality improving code output unit that outputs a code to improve a decoded sound quality from the output of the LSP multi-stage quantizer and the excitation source coder.
    • 本发明的语音存储装置包括存储装置,存储装置根据压缩程度存储存储在存储装置中的语音信号的语音信号和压缩需要重新编码压缩的语音信号的语音压缩装置 和语音信号的意义。 语音编码装置包括:量化LSP参数的LSP量化器,量化LSP量化器不可能表达的量化误差分量的LSP多级量化器,从线性预测误差获得音调分量的音调分量编码器,激励源 编码器,其中激励源被配置有多级代码簿,基本代码输出单元,其从LSP量化器的输出,音调分量编码器和激励源编码器输出对解码必不可少的代码,以及声音 质量改进代码输出单元,其输出代码以从LSP多级量化器和激励源编码器的输出提高解码的音质。
    • 45. 发明申请
    • Plasma display device
    • 等离子显示装置
    • US20060232510A1
    • 2006-10-19
    • US11387048
    • 2006-03-23
    • Yoshikazu KanazawaAtsushi Yokoyama
    • Yoshikazu KanazawaAtsushi Yokoyama
    • G09G3/28
    • G09G3/293G09G3/296G09G2310/0232
    • A plasma display device is configured as having a first display line containing a first scanning electrode in a display region; a first non-display line including a second scanning electrode outside the display region; a first potential line capable of applying a first potential of a scanning pulse, the scanning pulse being composed of the first potential and a second potential; a second potential line capable of applying the second potential of the scanning pulse; a first switch connected between the first potential line and the first scanning electrode; a second switch connected between the second potential line and the first scanning electrode; and a first rectifying element connected between the first and second scanning electrodes, so as to make the plasma display device possible to generate voltage for the scanning electrode, without supplying any scanning pulse to the scanning electrodes outside the display region.
    • 等离子体显示装置被配置为具有在显示区域中包含第一扫描电极的第一显示线; 包括显示区域外的第二扫描电极的第一非显示线; 能够施加扫描脉冲的第一电位的第一电位线,所述扫描脉冲由所述第一电位和第二电位组成; 能够施加扫描脉冲的第二电位的第二电位线; 连接在第一电位线和第一扫描电极之间的第一开关; 连接在第二电位线和第一扫描电极之间的第二开关; 以及连接在第一和第二扫描电极之间的第一整流元件,以使等离子体显示装置能够产生扫描电极的电压,而不向显示区域外的扫描电极提供任何扫描脉冲。
    • 48. 发明授权
    • Variable bit rate speech encoding after gain suppression
    • 增益抑制后的可变比特率语音编码
    • US06799161B2
    • 2004-09-28
    • US10045067
    • 2002-01-15
    • Atsushi Yokoyama
    • Atsushi Yokoyama
    • G10L2102
    • G10L19/18
    • A speech coding apparatus having a speech input unit for receiving input speech, a speech coding rate selector for selecting an appropriate speech coding rate according to the power of the input speech, a speech analyzer for processing the input speech to estimate a transfer function of the speaker's oral cavity, and a speech coding unit forming a synthesis filter based on the transfer function of the oral cavity. The speech coding unit also codes an excitation signal of the synthesis filter on the basis of an estimation result supplied by the speech analyzer. A gain suppressor interposed between the speech input unit and the speech coding unit suppresses the gain of a signal supplied from the speech input unit to the speech coding unit during an unvoiced period according to information from the speech coding rate selector.
    • 一种具有用于接收输入语音的语音输入单元的语音编码装置,用于根据输入语音的功率选择合适的语音编码率的语音编码速率选择器,用于处理输入语音以估计输入语音的传递函数的语音分析器 扬声器的口腔,以及基于口腔的传递函数形成合成滤波器的语音编码单元。 语音编码单元还根据由语音分析器提供的估计结果对合成滤波器的激励信号进行编码。 插入在语音输入单元和语音编码单元之间的增益抑制器根据来自语音编码率选择器的信息,在无声周期期间抑制从语音输入单元向语音编码单元提供的信号的增益。
    • 49. 发明授权
    • Speech coding rate selector and speech coding apparatus
    • 语音编码率选择器和语音编码装置
    • US06360199B1
    • 2002-03-19
    • US09327631
    • 1999-06-08
    • Atsushi Yokoyama
    • Atsushi Yokoyama
    • G10L1106
    • G10L19/18
    • A speech coding rate selector includes: a speech input unit for receiving an input speech; a short-term power arithmetic unit for computing the power of an input speech at a predetermined time unit; an ambient noise power estimating unit for estimating the power of an ambient noise superimposed on an input speech; a rate selection threshold value arithmetic unit for computing a group of power threshold values for selecting a speech coding rate; a power comparator for selecting one appropriate rate from among a plurality of speech coding rates; an ambient noise property inferring unit for inferring the property of an ambient noise superimposed on an input speech; and a comparison power corrector for correcting an output value of the short-term power arithmetic unit if an ambient noise, the property of which has been inferred by the ambient noise property inferring unit, proves to exhibit a considerable time-dependent change in power. A speech coding apparatus includes a speech input unit for receiving an input speech; a speech coding rate selector for selecting an appropriate speech coding rate according to the power of an input speech; a speech analyzer for processing input speech to estimate a transfer function of a speaker's oral cavity; a speech coding unit that makes a synthesis filter based on the transfer function of the oral cavity and codes an excitation signal of the synthesis filter on the basis of an estimation result supplied by the speech analyzer; and a gain suppressor for suppressing the gain of a signal supplied from the speech input unit to the speech coding unit.
    • 语音编码率选择器包括:语音输入单元,用于接收输入语音; 短期功率运算单元,用于以预定时间单位计算输入语音的功率; 环境噪声功率估计单元,用于估计叠加在输入语音上的环境噪声的功率; 速率选择阈值运算单元,用于计算用于选择语音编码率的一组功率阈值; 功率比较器,用于从多个语音编码率中选择一个适当的速率; 用于推断叠加在输入语音上的环境噪声的属性的环境噪声特性推断单元; 以及用于校正短期功率运算单元的输出值的比较功率校正器,其环境噪声已被环境噪声特性推断单元推断出,其环境噪声被证明表现出相当大的时间上的功率变化。 语音编码装置包括用于接收输入语音的语音输入单元; 语音编码率选择器,用于根据输入语音的功率选择适当的语音编码率; 语音分析器,用于处理输入语音以估计说话者口腔的传递功能; 语音编码单元,其基于所述口腔的传递函数形成合成滤波器,并且基于由所述语音分析器提供的估计结果对所述合成滤波器的激励信号进行编码; 以及增益抑制器,用于抑制从语音输入单元提供给语音编码单元的信号的增益。
    • 50. 发明授权
    • Information processing apparatus and method for saving energy in an image processing apparatus
    • 用于在图像处理装置中节省能量的信息处理装置和方法
    • US08966303B2
    • 2015-02-24
    • US13067241
    • 2011-05-18
    • Atsushi YokoyamaTomohiro ShutaTetsuyoshi Nakata
    • Atsushi YokoyamaTomohiro ShutaTetsuyoshi Nakata
    • G06F1/32H04L12/10
    • H04L12/10G06F1/3206G06F1/3209
    • An information processing apparatus includes a receiver configured to receive a packet via a communication line, an operating processor configured to suspend an operation thereof when the information processing apparatus is in an energy saving mode, a first storage configured to store the packet received by the receiver, a determining unit including a table in which different operations of the operating processor are recorded in association with different patterns of packets and configured to determine whether to restart the operating processor when the information processing apparatus is in the energy saving mode based on a pattern of the packet stored in the first storage and the patterns of the packets in association with the operations of the operating processor recorded in the table, and a power manager configured to supply power to the operating processor based on a result determined by the determining unit to restart the operating processor.
    • 一种信息处理设备,包括经由通信线路接收分组的接收机,被配置为当所述信息处理设备处于节能模式时暂停其操作的操作处理器,被配置为存储由所述接收机接收到的分组的第一存储器 确定单元,其包括与不同分组模式相关联地记录操作处理器的不同操作的表格,并且被配置为当信息处理设备处于节能模式时基于模式进行确定是否重启操作处理器 存储在第一存储器中的分组和与记录在表中的操作处理器的操作相关联的分组的模式;以及功率管理器,被配置为基于由确定单元确定的结果重新启动,向操作处理器供电 操作处理器。