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    • 1. 发明申请
    • Packetization of variable bit rate encoded data based on rate control
    • 基于速率控制的可变比特率编码数据的分组化
    • US20060168305A1
    • 2006-07-27
    • US10546524
    • 2004-11-04
    • Kojiro OnoTakashi KatayamaYoshiaki TakagiYasuhito Watanabe
    • Kojiro OnoTakashi KatayamaYoshiaki TakagiYasuhito Watanabe
    • G06F15/16
    • H04N21/2368G10L19/24H04N21/2335
    • A coding apparatus 100 that generates coded data by coding inputted data in a predetermined unit basis, maps one or more units of the coded data onto a packet of fixed length and output the packet including: a storage unit 103 that stores the coded data and outputs the data size of the stored coded data; a packetization unit 104 that maps the coded data stored in the storage unit 103 onto the packet and outputs the header size assigned to the one or more units of the coded data and the payload size of the packet; a control unit 107 that generates the control information based on the data size of the outputted coded data, the header size and the payload size and outputs the control information; and a coding unit 102 that generates the coded data by calculating an outer candidate value that makes the data size of the coded data to be mapped onto the packet an integral multiple of the payload size of the packet based on the outputted control information and coding the predetermined units of inputted data up to the outer candidate value.
    • 编码装置100,通过以预定单位为基础编码输入数据来生成编码数据,将编码数据的一个或多个单位映射到固定长度的分组上,并输出分组,包括:存储单元103,其存储编码数据和输出 存储的编码数据的数据大小; 分组单元104,将存储在存储单元103中的编码数据映射到分组上,并输出分配给编码数据的一个或多个单元的报头大小和分组的有效载荷大小; 控制单元107,其基于输出的编码数据的数据大小,报头大小和有效载荷大小生成控制信息,并输出控制信息; 以及编码单元102,通过基于输出的控制信息,计算使要被映射到分组的编码数据的数据大小成为分组的有效载荷大小的整数倍的外部候选值,并对 预定单位的输入数据直到外部候选值。
    • 2. 发明授权
    • Coding method and coding apparatus
    • 编码方法和编码装置
    • US08032645B2
    • 2011-10-04
    • US10546524
    • 2004-11-04
    • Kojiro OnoTakashi KatayamaYoshiaki TakagiYasuhito Watanabe
    • Kojiro OnoTakashi KatayamaYoshiaki TakagiYasuhito Watanabe
    • G06F15/16
    • H04N21/2368G10L19/24H04N21/2335
    • A coding apparatus generates coded data by coding inputted data in a predetermined unit basis, maps one or more units of the coded data onto a packet of fixed length and outputs the packet. The coding apparatus includes a storage unit that stores the coded data and outputs the data size of the stored coded data, and a packetization unit that maps the coded data stored in the storage unit onto the packet and outputs the header size assigned to the one or more units of the coded data and the payload size of the packet. The coding apparatus also includes a control unit that generates the control information based on the data size of the outputted coded data, the header size and the payload size and outputs the control information, and a coding unit that generates the coded data by calculating an outer candidate value that makes the data size of the coded data to be mapped onto the packet an integral multiple of the payload size of the packet based on the outputted control information and coding the predetermined units of inputted data up to the outer candidate value.
    • 编码装置通过以预定单位对输入的数据进行编码来生成编码数据,将编码数据的一个或多个单位映射到固定长度的分组上,并输出该分组。 编码装置包括:存储单元,存储编码数据并输出存储的编码数据的数据大小;以及分组单元,将存储在存储单元中的编码数据映射到分组上,并输出分配给该一个或 编码数据的更多单位和分组的有效载荷大小。 编码装置还包括:控制单元,其基于输出的编码数据的数据大小,头部大小和有效负载大小生成控制信息,并输出控制信息;以及编码单元,其通过计算外部 候选值,使得将编码数据的数据大小根据输出的控制信息映射到分组的有效载荷大小的整数倍,并将输入数据的预定单位编码直到外部候选值。
    • 3. 发明授权
    • Sound signal encoding apparatus and method
    • 声音信号编码装置及方法
    • US06963646B2
    • 2005-11-08
    • US09992080
    • 2001-11-19
    • Yoshiaki TakagiYasuhito Watanabe
    • Yoshiaki TakagiYasuhito Watanabe
    • G10L19/00G10K15/02G10L19/14H03M7/30H04H1/00H04H20/47H04S1/00G10L21/04
    • H04H20/47G10L19/18
    • A sound signal encoding apparatus for encoding two different sound signals, comprising: compression level calculating means for calculating a compression level for each of the sound signal sections; compression level judging means for judging whether or not the calculated compression level for each of the sound signal sections exceeds a predetermined threshold compression value; frequency components encoding means for encoding the quantized frequency components for each of the sound signal sections to a multiplexed bit stream with a predetermined bit rate under two different states consisting of the first state in which the frequency components for each of the sound signal sections are compressed by the first frequency components compressing means when the compression level judging means is operative to judge that the compression level for each of the sound signal sections exceeds the predetermined threshold compression value and the second state in which the frequency components for each of the sound signal sections are not compressed by the first frequency components compressing means when the compression level judging means is operative to judge that the compression level for each of the sound signal sections does not exceed the predetermined threshold compression value, the multiplexed bit stream with the predetermined bit rate being constituted by the sound signals for each of the sound signal sections and general information needed for the sound signals to be encoded and decoded.
    • 一种用于编码两种不同声音信号的声音信号编码装置,包括:压缩级别计算装置,用于计算每个声音信号部分的压缩级别; 压缩级别判断装置,用于判断所计算的每个声音信号部分的压缩级别是否超过预定阈值压缩值; 频率分量编码装置,用于将每个声音信号部分的量化频率分量编码为具有预定比特率的两个不同状态的多路复用比特流,该两种不同状态包括每个声音信号部分的频率分量被压缩的第一状态 通过第一频率分量压缩装置,当压缩级别判断装置可操作以判断每个声音信号部分的压缩级别超过预定阈值压缩值时,以及第二状态,其中每个声音信号部分的频率分量 当压缩级别判断装置用于判断每个声音信号部分的压缩级别不超过预定阈值压缩值时,第一频率分量压缩装置不被压缩,具有预定比特率的多路复用比特流是 由sou组成 每个声音信号部分的nd信号和要被编码和解码的声音信号所需的一般信息。
    • 7. 发明申请
    • SOUND REPRODUCING APPARATUS USING IN-EAR EARPHONE
    • 使用耳机的声音再现设备
    • US20100177910A1
    • 2010-07-15
    • US12663562
    • 2009-04-03
    • Yasuhito Watanabe
    • Yasuhito Watanabe
    • H04B15/00
    • H04R5/04H04R5/033
    • First, in a state where a pair of earphones 110 are worn in both ears of a listening person, a measurement signal generated by a measurement signal generating section 101 is outputted from the earphone 110. The signal (wearing-state signal) which is reflected by an eardrum and returns to the earphone 110 is measured, and stored in an analysis section 108. Next, in a state where the pair of earphones 110 are not worn in both ears of the listening person, a signal measured (unwearing-state signal) in the same manner as described above is stored in the analysis section 108. The analysis section 108 calculates an ear-canal correction filter based on a difference between the wearing-state signal and the unwearing-state signal. An ear-canal correction filter processing section 109 convolves a sound source signal with the calculated ear-canal correction filter.
    • 首先,在听筒的双耳中佩戴一对耳机110的状态下,从耳机110输出由测量信号生成部101生成的测量信号。被反射的信号(磨损状态信号) 通过耳膜测量并返回到耳机110,并将其存储在分析部分108中。接下来,在听筒的两只耳朵中未佩戴一对耳机110的状态下,测量信号(非打开状态信号 )以分析部分108存储。分析部分108基于磨损状态信号和非打开状态信号之间的差异来计算耳道校正滤波器。 耳道校正滤波器处理部分109将声源信号与计算出的耳道校正滤波器进行卷积。
    • 8. 发明申请
    • Audio image control device and design tool and audio image control device
    • 音频图像控制装置和设计工具及音频图像控制装置
    • US20060274901A1
    • 2006-12-07
    • US10554595
    • 2004-09-02
    • Kenichi TeraiKazutaka AbeIsao KakuhariYasuhito WatanabeGempo Ito
    • Kenichi TeraiKazutaka AbeIsao KakuhariYasuhito WatanabeGempo Ito
    • H04R5/00
    • H04S1/005H04S2420/01
    • The sound image control device filters transfer functions H3 and H1 indicating transfer characteristics of a sound from an acoustic transducer (8) to entrances to respective ear canals (1) and (2) as well as filtering transfer functions H4 and H2 from an acoustic transducer (9) to the entrances to the respective ear canals (1) and (2) and generates second transfer functions H6 and H5 indicating transfer characteristics of a sound to the entrances to the respective ear canals (1) and (2) from a target sound source (11) at a location different from the sound sources, the sound image control device being equipped with correction filters (13) and (14) that (i) store characteristic functions E1 and E2 for performing filtering operations on the first transfer functions H1, H2, H3, and H4 and (ii) generate the second transfer functions H5 and H6 from the first transfer functions H1, H2, H3, and H4 using such characteristic functions E1 and E2.
    • 声音图像控制装置对声音传感器(8)的声音的传送特性的传送函数H 3,H 1进行滤波,并输入到各个耳道(1)和(2)以及滤波传递函数H 4和H 2 从声学换能器(9)到相应的耳道(1)和(2)的入口,并产生指示声音到各个耳道(1)的入口的传播特性的第二传递函数H 6和H 5,以及 (2)从与声源不同的位置处的目标声源(11),所述声音图像控制装置配备有校正滤波器(13)和(14),其(i)存储特征函数E 1和E 2,用于 对第一传递函数H 1,H 2,H 3和H 4执行滤波操作,以及(ii)从第一传递函数H 1,H 2,H 3和H产生第二传递函数H 5和H 6 4使用这种特征函数E 1和E 2。
    • 9. 发明授权
    • Automatic document feeding apparatus
    • 自动送纸装置
    • US07021619B2
    • 2006-04-04
    • US10600527
    • 2003-06-23
    • Yasuhito WatanabeTatsuzo AoyagiFumihito Endo
    • Yasuhito WatanabeTatsuzo AoyagiFumihito Endo
    • B65H5/00
    • G03G15/60
    • An automatic document feeder is provided with a reading unit disposed above a platen for reading an original. The reading unit includes a platen roller for transporting the original to the reading unit; a guide device arranged between the platen and the platen roller and formed in a curved original reading path; a pressing device for pressing the guide device against the platen roller; and a regulating device for creating a space between a surface of the platen roller and an upper surface of the platen. When the original is transported between the platen roller and the guide device, the original moves the guide device toward the platen.
    • 自动进纸器设置有读取单元,其设置在用于读取原稿的台板上方。 读取单元包括用于将原稿输送到读取单元的压纸辊; 引导装置,布置在压板和压纸辊之间并形成在弯曲的原始读取路径中; 用于将引导装置压靠在压纸辊上的按压装置; 以及用于在所述压纸辊的表面和所述压板的上表面之间产生空间的调节装置。 当原稿在压纸辊和导向装置之间传送时,原稿将导向装置朝向压板移动。
    • 10. 发明授权
    • Automatic document feeding apparatus and document reading apparatus
    • 自动送纸装置和文件阅读装置
    • US07021618B2
    • 2006-04-04
    • US10600509
    • 2003-06-23
    • Yasuhito WatanabeTatsuzo AoyagiFumihito Endo
    • Yasuhito WatanabeTatsuzo AoyagiFumihito Endo
    • B65H83/00
    • H04N1/1235B65H5/38B65H2401/222B65H2404/6111B65H2801/39H04N1/1215H04N1/193
    • An automatic document feeder is provided with the first transport device and the second transport device for feeding an original at a reading position to read the original, and a curved reading path disposed between the first transport device and second transport device. The automatic document feeder is also provided with a reading guide unit including the first guide member disposed at an upstream side of the reading position in an original feeding direction for guiding the original to the reading position, the second guide member disposed at a downstream side of the reading position in the original feeding direction for guiding the original from the reading position, a flexible transparent film member extending between the first guide member and the second guide member for forming the reading path. The reading guide unit is detachably and rotatably supported on an apparatus frame of the automatic document feeder.
    • 自动进稿器设置有第一传送装置和第二传送装置,用于在读取位置馈送原稿以读取原稿,以及设置在第一传送装置和第二传送装置之间的弯曲读取路径。 自动进稿器还设置有读取引导单元,该读取引导单元包括:第一引导构件,其设置在原稿进给方向上的读取位置的上游侧,用于将原稿引导到读取位置,第二引导构件设置在读取位置的下游侧 从原稿供给方向读取原稿从读取位置的读取位置,在第一引导构件和第二引导构件之间延伸以形成读取路径的柔性透明膜构件。 读取引导单元可拆卸地且可旋转地支撑在自动文件馈送器的装置框架上。