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    • 6. 发明授权
    • Encoded data decoding apparatus adapted to be used for expanding
compressed data and image audio multiplexed data decoding apparatus
using the same
    • 适用于扩展压缩数据的编码数据解码装置和使用其的图像音频多路复用数据解码装置
    • US5765136A
    • 1998-06-09
    • US663322
    • 1996-06-21
    • Hiroyuki Fukuchi
    • Hiroyuki Fukuchi
    • G10L19/02H04N7/52G10L9/100
    • H04N21/4341G10L19/0208H04N21/4307H04N21/4396H04N21/47217
    • An encoded data decoding apparatus including: a circuit for sequentially receiving a series of encoded data frames, wherein each of the series of data frames includes a plurality of multiplexed band data classified into a plurality of predetermined frequency bands, each of the multiplexed band data including encoded information data belonging to a corresponding frequency band and processing data used for encoding the encoded information data, and for processing each of the data frames so as to separate the encoded information data and the processing data from each other; a circuit for decoding the encoded information data by using the processing data separated from the information data in each of the frequency bands; and any one of the following circuits, one is a circuit for determining whether each of the data frames is to be decoded or not on the basis of a level of the encoded information data belonging to at least one frequency band selected from the frequency bands included in the data frame and the other is a circuit for selecting the frame to be processed so that only the selected frame is decoded. An image audio multiplexed data decoding apparatus using the encoded data decoding apparatus.
    • PCT No.PCT / JP95 / 02210 Sec。 371日期:1996年6月21日 102(e)日期1996年6月21日PCT提交1995年10月27日PCT公布。 第WO96 / 13826号公报 日期:1996年5月9日一种编码数据解码装置,包括:顺序接收一系列编码数据帧的电路,其中,所述一系列数据帧中的每一个包括被分类为多个预定频带的多个复用频带数据, 包括属于相应频带的编码信息数据的多路复用频带数据和用于编码编码信息数据的处理数据,并且用于处理每个数据帧以将编码信息数据和处理数据彼此分离; 用于通过使用与每个频带中的信息数据分离的处理数据对编码的信息数据进行解码的电路; 以及以下电路中的任何一个,一个是用于基于属于从包括的频带中选择的至少一个频带的编码信息数据的电平来确定每个数据帧是否被解码的电路 在数据帧中,另一个是用于选择要处理的帧的电路,使得只有所选择的帧被解码。 一种使用编码数据解码装置的图像音频复用数据解码装置。
    • 9. 发明授权
    • Audio decoder
    • 音频解码器
    • US5867819A
    • 1999-02-02
    • US722948
    • 1996-09-27
    • Hiroyuki FukuchiHirofumi Sato
    • Hiroyuki FukuchiHirofumi Sato
    • G10L19/00G11B20/10H03M1/00H03M7/30H04N7/26
    • G10L19/00G11B20/10H03M1/00H03M7/30H04N19/00
    • An audio decoder which can reduce a memory circuit capacity necessary for performing a series of decoding processes and can perform a down mixing. The audio decoder decodes audio data of a plurality of channels encoded in a frequency domain by using a time base to frequency base conversion. After a down mixing process was performed to the audio data of the frequency domain by frequency domain down mixing circuit, it is converted into audio data of a time domain by frequency base to time base converting circuit, thereby reducing memories by the number corresponding to the reduced number of channels. Further, by executing an inverse quantizing process of each channel and a frequency base to time base converting process of each channel by pipeline processes, a work buffer can be shared in both of the processes.
    • 一种音频解码器,其可以减少执行一系列解码处理所需的存储器电路容量并且可以执行下混合。 音频解码器通过使用时基到频率转换来解码在频域中编码的多个频道的音频数据。 在通过频域降混电路对频域的音频数据进行了下混合处理之后,通过频域到时基转换电路将其转换成时域的音频数据,从而通过对应于 减少通道数。 此外,通过每个信道的逆量化处理和每个信道的时基转换处理通过流水线处理,可以在两个处理中共享工作缓冲区。
    • 10. 发明授权
    • Defect detecting method and system
    • 缺陷检测方法及系统
    • US4606635A
    • 1986-08-19
    • US694627
    • 1985-01-24
    • Takashi MiyazawaHiroyuki FukuchiSosuke Tateishi
    • Takashi MiyazawaHiroyuki FukuchiSosuke Tateishi
    • G01N21/88G01N21/90G01N21/94
    • G01N21/9054
    • In detection of a defect in a part of an object having a surface which is substantially a surface of revolution, the surface of the inspected part is illuminated by light rays which are emitted through an annular portion coaxially disposed with the surface of the inspected part, and light rays reflected at the surface of the inspected part are received to form an image of the inspected part. The image is constituted of pixels corresponding to the respective portions of the surface of the inspected part. Signals having a value indicative of the brightness of the pixels are stored in relation to the respective positions of the pixels in the image. The stored signals are referred repeatedly to provide, as a set of signals, a predetermined number of the signals of the pixels positioned along an imaginary line extending radially through a central point in the image corresponding to the axis of the surface of the inspected part and positioned and distributed within a radial range extending along the imaginary line. Judgement whether or not there is a defect is made in accordance with comparison of the signals of each set with a preset value, and with comparison between signals of two sets which are positioned along two of the imaginary lines which are proximate to each other.
    • 在检测到具有基本上是旋转表面的物体的一部分中的缺陷时,被检查部分的表面被通过与被检查部分的表面同轴设置的环形部分发射的光线照射, 并且接收在被检查部分的表面处反射的光线以形成被检查部分的图像。 图像由与被检查部的表面的各部分对应的像素构成。 具有指示像素的亮度的值的信号相对于图像中的像素的各个位置被存储。 所存储的信号被重复地参考,以提供作为一组信号的沿着沿着被检查部分的表面的轴线的图像中的中心点径向延伸的假想线定位的像素的预定数量的信号,以及 定位和分布在沿假想线延伸的径向范围内。 根据每组的信号与预设值的比较,以及沿两个彼此靠近的假想线定位的两组信号进行比较来判断是否存在缺陷。