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    • 134. 发明授权
    • Stereo encoding device, stereo decoding device, and stereo encoding method
    • 立体声编码装置,立体声解码装置和立体声编码方法
    • US08457319B2
    • 2013-06-04
    • US12064995
    • 2006-08-30
    • Chun Woei TeoSua Hong NeoKoji YoshidaMichiyo Goto
    • Chun Woei TeoSua Hong NeoKoji YoshidaMichiyo Goto
    • H04H20/88
    • G10L19/24G10L19/008
    • There is disclosed a stereo encoding device capable of accurately encoding a stereo signal at a low bit rate and suppressing delay in audio communication. The device performs monaural encoding in its first layer (110). In a second layer (120), a filtering unit (103) generates an LPC (Linear Predictive Coding) coefficient and generates a left channel drive sound source signal. A time region evaluation unit (104) and a frequency region evaluation unit (105) perform signal evaluation and prediction in both of their regions. A residual encoding unit (106) encodes a residual signal. A bit distribution control unit (107) adaptively distributes bits to the time region evaluation unit (104), the frequency region evaluation unit (105), and the residual encoding unit (106) according to a condition of the audio signal.
    • 公开了一种能够以低比特率精确地编码立体声信号并抑制音频通信中的延迟的立体声编码装置。 设备在其第一层(110)中执行单声道编码。 在第二层(120)中,滤波单元(103)产生LPC(线性预测编码)系数并产生左声道驱动声源信号。 时间区域评估单元(104)和频率区域评估单元(105)在它们的两个区域中执行信号评估和预测。 残差编码单元(106)对剩余信号进行编码。 根据音频信号的条件,位分配控制单元(107)自适应地将时间区域评估单元(104),频率区域评估单元(105)和残差编码单元(106)分配。
    • 135. 发明授权
    • Fixed codebook searching apparatus and fixed codebook searching method
    • 固定码本搜索装置和固定码本搜索方法
    • US08452590B2
    • 2013-05-28
    • US13093294
    • 2011-04-25
    • Hiroyuki EharaKoji Yoshida
    • Hiroyuki EharaKoji Yoshida
    • G10L19/22
    • G10L19/107
    • A fixed codebook searching apparatus, includes a convolution operator, implemented by at least one processor, that convolves an impulse response of a perceptually weighted synthesis filter with an impulse response vector that has values at negative times, to generate a second impulse response vector that has values at negative times. A matrix generator, implemented by at least one processor, generates a Toeplitz-type convolution matrix using the second impulse response vector generated by the convolution operator. A searcher, implemented by at least one processor, performs a codebook search by maximizing a term using the Toeplitz-type convolution matrix.
    • 一种固定码本搜索装置,包括由至少一个处理器实现的卷积运算符,其将感知加权的合成滤波器的脉冲响应与具有负时间的值的脉冲响应向量卷积,以产生具有 值在负时间。 由至少一个处理器实现的矩阵生成器使用由卷积算子产生的第二脉冲响应向量生成Toeplitz型卷积矩阵。 由至少一个处理器实现的搜索器通过使用Toeplitz型卷积矩阵最大化一个项来执行码本搜索。
    • 137. 发明申请
    • RIGID SCOPE APPARATUS
    • 刚性范围设备
    • US20130060087A1
    • 2013-03-07
    • US13485695
    • 2012-05-31
    • Koji Yoshida
    • Koji Yoshida
    • A61B1/05A61B1/06
    • A61B1/043A61B1/00045A61B1/00121A61B1/00167A61B1/042A61B1/07
    • A rigid scope apparatus including a rigid scope body to be inserted into a body for guiding and projecting an inputted illumination light on an examination area of the body, and receiving and guiding a light from the examination area caused by projection of the illumination light, and a camera head section to be connected to the rigid scope body and having an imaging section for receiving the light from the examination area and guided by the rigid scope body, and outputting an image signal. The camera head section includes an illumination light output section for outputting the illumination light and the rigid scope body receives and guides the illumination light outputted from the illumination light output section.
    • 一种刚性镜架,包括:被插入到本体中的刚性镜体,用于将输入的照明光引导并投射到身体的检查区域;以及接收和引导由照明光的投影引起的来自检查区域的光;以及 相机头部,其连接到刚性镜体,并具有用于接收来自检查区域并由刚性镜体引导的光的成像部,并输出图像信号。 相机头部包括用于输出照明光的照明光输出部,并且刚性镜体接收并引导从照明光输出部输出的照明光。
    • 138. 发明授权
    • Encoding device, decoding device, and method thereof
    • 编码装置,解码装置及其方法
    • US08352249B2
    • 2013-01-08
    • US12740727
    • 2008-11-04
    • Kok Seng ChongKoji YoshidaMasahiro Oshikiri
    • Kok Seng ChongKoji YoshidaMasahiro Oshikiri
    • G06F15/00G10L11/00G10L19/00G10L19/14G10L21/02
    • G10L19/008G10L19/0208G10L19/0212G10L19/08G10L19/24
    • An encoding device improves the sound quality of a stereo signal while maintaining a low bit rate. The encoding device includes: an LP inverse filter which LP-inverse-filters a left signal L(n) by using an inverse quantization linear prediction coefficient AdM(z) of a monaural signal; a T/F conversion unit which converts the left sound source signal Le(n) from a temporal region to a frequency region; an inverse quantizer which inverse-quantizes encoded information Mqe; spectrum division units which divide a high-frequency component of the sound source signal Mde(f) and the left signal Le(f) into a plurality of bands; and scale factor calculation units which calculate scale factors ai and ssi by using a monaural sound source signal Mdeh,i(f), a left sound source signal Leh,i(f), Mdeh,i(f), and right sound source signal Reh,i(f) of each divided band.
    • 编码装置在维持低比特率的同时提高了立体声信号的声音质量。 编码装置包括:LP逆滤波器,其通过使用单声道信号的逆量化线性预测系数AdM(z)对左信号L(n)进行反滤波; T / F转换单元,其将左声源信号Le(n)从时间区域转换为频率区域; 反量化编码信息Mqe的逆量化器; 将声源信号Mde(f)和左信号Le(f)的高频分量分割为多个频带的频谱分割单元; 以及通过使用单声道声源信号Mdeh,i(f),左声源信号Leh,i(f),Mdeh,i(f)和右声源信号来计算比例因子ai和ssi的比例因子计算单元 Reh,i(f)。
    • 139. 发明授权
    • Vehicle front structure
    • 车辆前部结构
    • US08333425B2
    • 2012-12-18
    • US13131981
    • 2009-12-25
    • Koji Yoshida
    • Koji Yoshida
    • B60J7/00
    • B62D21/155B62D21/152
    • A vehicle front structure related to the invention includes a front side member having a kick section extending obliquely downward toward the rear, a member front half section, and a member rear half section. A sub-frame juxtaposed below the front side member abuts on the member rear half section. A rear end portion of the sub-frame is formed with a first inclination portion which extends obliquely downward toward the rear and abuts on the front side member. The front side member 1 is formed with a second inclination portion which abuts on the first inclination portion. The first inclination portion is held so as to be movable relative to the second inclination portion.
    • 与本发明相关的车辆前部结构包括:前侧部件,具有向后方倾斜向下延伸的踢脚部,前半部,前后半部。 在前侧构件下方并列的子框架抵靠在构件后半部分上。 副框架的后端部形成有向后方倾斜向下延伸且与前侧构件抵接的第一倾斜部。 前侧构件1形成有与第一倾斜部抵接的第二倾斜部。 第一倾斜部被保持成能够相对于第二倾斜部移动。
    • 140. 发明申请
    • RIGID-ENDOSCOPE OVERSHEATH
    • US20120316394A1
    • 2012-12-13
    • US13469014
    • 2012-05-10
    • Koji YoshidaNobuyuki Torisawa
    • Koji YoshidaNobuyuki Torisawa
    • A61B1/12
    • A61B1/126A61B1/00091A61B1/00135
    • A cleaning nozzle is formed at a leading end face of a rigid-endoscope oversheath to cover a rigid endoscope. The cleaning nozzle is connected with a flow path formed in the oversheath so that fluid flowing through the flow path is ejected from an ejection port. The side surfaces of the cleaning nozzle are composed of a relatively hard material, while the upper surface is composed of a relatively soft material. When the flow rate of the fluid ejected from the ejection port is high, the upper surface of the ejection port is widened upward and thereby the direction of ejection of the fluid also changes. The direction of ejection of the fluid can thus be changed by controlling the flow rate.
    • 清洁喷嘴形成在刚性内窥镜过度的前端面以覆盖刚性内窥镜。 清洁喷嘴与形成在过热槽中的流路连接,使得流过流路的流体从喷射口喷出。 清洁喷嘴的侧表面由相对硬的材料组成,而上表面由相对柔软的材料组成。 当从喷射口排出的流体的流量高时,喷射口的上表面向上加宽,从而流体的喷射方向也变化。 因此可以通过控制流量来改变流体的喷射方向。