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    • 7. 发明授权
    • Audio disc of improved data structure and reproduction apparatus therefor
    • 改进的数据结构和再现装置的音频盘
    • US07136575B2
    • 2006-11-14
    • US10062304
    • 2002-02-02
    • Yoshiaki TanakaShoji UenoNorihiko Fuchigami
    • Yoshiaki TanakaShoji UenoNorihiko Fuchigami
    • H04N7/04H04N5/91H04N5/781
    • H04N9/8042G11B20/10527G11B27/105G11B27/3027G11B27/329G11B2020/10592G11B2220/211G11B2220/216G11B2220/218G11B2220/2545G11B2220/2562G11B2220/2575G11B2220/2583H04N5/85H04N9/8063H04N9/8216H04N9/8227H04N9/835
    • An optical audio disc comprises the first pack (A Pack), the second pack (A-CONT Pack), the third pack (V Pack), and the fourth pack (CONT Pack) in which the A-CONT Pack is placed at the head of a data array and a plurality of the A and V Packs follow the A-CONT Pack in each audio contents block unit (ACBU). Information contained in an A-CONT Pack manages audio data contained in the A Pack. The A Pack contains audio data and the V Pack contains other data than the audio data such as closed caption (CC) data as well as video data. A reproduction apparatus for an optical audio disc (DVD-Audio disc) comprises the CONT Pack detector section 1103, the A-CONT Pack detector section 1109, the parameter sections 1108 and 1114, the V Pack buffer section 1104, and the A Pack buffer section 1110. The CONT Pack detector section 1103 and the A-CONT Pack detector section 1109 detect reproduced CONT and A-CONT Packs contained in the DVD-Audio disc 1101 respectively. Control parameters of reproduced data are arranged in the parameter sections 1108 and 1114, and at the same time V Packs controlled by the information in the CONT Pack and A Packs controlled by the information in the A-CONT Pack are sequentially written in the V Pack buffer section 1104 and the A Pack buffer section 1110 respectively.
    • 光学音频盘包括第一包(A包),第二包(A-CONT包),第三包(V包)和第四包(CONT包),其中A-CONT包放置在 数据阵列的头部和多个A和V包遵循每个音频内容块单元(ACBU)中的A-CONT包。 包含在A-CONT Pack中的信息管理A包中包含的音频数据。 A包包含音频数据,V包含有诸如隐藏字幕(CC)数据和视频数据之类的音频数据的其他数据。 用于光学音频盘(DVD-音频盘)的再现装置包括CONT包检测器部分1103,A-CONT包检测器部分1109,参数部分1108和1114,V包缓冲器部分1104和A包缓冲器 第1110条。 CONT包检测器部分1103和A-CONT包检测器部分1109分别检测包含在DVD音频盘1101中的再现的CONT和A-CONT包。 重放数据的控制参数被布置在参数部分1108和1114中,并且同时由由CONT包中的信息控制的V包和由A-CONT包中的信息控制的A包顺序地写入V包 缓冲器部分1104和A包缓冲器部分1110。
    • 8. 发明授权
    • Signal encoding apparatus, audio data transmitting method, audio data recording method, audio data decoding method and audio disc
    • 信号编码装置,音频数据发送方法,音频数据记录方法,音频数据解码方法和音频盘
    • US06898369B2
    • 2005-05-24
    • US10423516
    • 2003-04-25
    • Yoshiaki TanakaNorihiko FuchigamiShoji Ueno
    • Yoshiaki TanakaNorihiko FuchigamiShoji Ueno
    • G10H1/00G11B20/10G11B20/12G11B27/034G11B27/10G11B27/30G11B27/32G11B27/34H04N5/91
    • G11B20/10G10H1/0041G11B27/034G11B27/105G11B27/3027G11B27/329G11B27/34G11B2020/10592G11B2220/211G11B2220/213G11B2220/2562
    • A format of data recorded in a DVD-Audio disc is composed of an audio manager (AMG) and a plurality of audio title sets (ATSs) following the AMG. A plurality of audio packs are arranged in each ATS. An audio signal indicating a musical composition is encoded to audio data in a signal processing circuit, and the audio data is arranged in the audio packs. The audio data of the audio packs are formatted in a DVD formatting unit with the AMG to be arranged in the ATSs following the AMG. Also, copyright information is arranged in an area of a control data block placed in a read-in area of the DVD-Audio disc. Table-of-contents (TOC) information indicating a top address of the audio data is automatically produced and is arranged in an empty area of the control data block reserved for the copyright information, in an area of the audio packs, in an area of the AMG or in an area of the ATSs. The AMG, the ATSs including the audio packs and the TOC information arranged at the data format in the DVD formatting unit are transmitted to a human editor through a transmission medium and is recorded in the DVD-Audio disc. Therefore, when the audio data is read out from the DVD-Audio disc, the audio data can be easily played back from the top position of the musical composition according to the TOC information.
    • 记录在DVD音频盘中的数据的格式由AMG之后的音频管理器(AMG)和多个音频标题组(ATS)组成。 在每个ATS中布置多个音频包。 指示音乐作品的音频信号被编码为信号处理电路中的音频数据,并且音频数据被布置在音频包中。 音频包的音频数据被格式化为DVD格式化单元,AMG将被安排在跟随AMG的ATS中。 此外,版权信息被布置在放置在DVD音频盘的读入区域中的控制数据块的区域中。 表示音频数据的顶部地址的内容表(TOC)信息被自动产生,并且被布置在音频包的区域中的版权信息保留的控制数据块的空白区域中 AMG或ATS的一个区域。 包括音频包的ATS和以DVD格式化单元的数据格式排列的TOC信息通过传输介质发送给人类编辑器,并被记录在DVD音频盘中。 因此,当从DVD音频盘读出音频数据时,可以根据TOC信息从音乐作品的顶部位置容易地重放音频数据。
    • 9. 发明授权
    • Audio signal processing apparatus
    • 音频信号处理装置
    • US06757659B1
    • 2004-06-29
    • US09432103
    • 1999-11-02
    • Yoshiaki TanakaShoji UenoNorihiko Fuchigami
    • Yoshiaki TanakaShoji UenoNorihiko Fuchigami
    • G01L1900
    • G11B27/309G11B20/00007G11B20/10527G11B27/3027
    • An audio signal encoding apparatus includes a device for compressing multiple-channel digital audio signals into compression-resultant multiple-channel signals respectively. The multiple-channel digital audio signals relate to a sampling frequency and a quantization bit number. The compression-resultant multiple-channel signals, a signal representative of the sampling frequency, and a signal representative of the quantization bit number are formatted into a formatting-resultant signal. The formatting-resultant signal contains a sub packet and a sync information portion. The sub packet contains at least portions of the compression-resultant multiple-channel signals. The sync information portion contains the signal representative of the sampling frequency and the signal representative of the quantization bit number.
    • 音频信号编码装置包括分别将多声道数字音频信号压缩为压缩多通道信号的装置。 多声道数字音频信号与采样频率和量化比特数有关。 压缩结果多信道信号,表示采样频率的信号和表示量化比特数的信号被格式化成格式化结果信号。 格式化结果信号包含子分组和同步信息部分。 子分组包含至少部分压缩结果多信道信号。 同步信息部分包含表示采样频率的信号和表示量化比特数的信号。