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1. 发明公开

EP0847155A2 Audio decoding device and signal processing device 失效
标题翻译： Tondekodierungsvorrichtung und Signalverarbeitungsvorrichtung
公开(公告)号：EP0847155A2
公开(公告)日：1998-06-10
申请号：EP97121639.5
申请日：1997-12-09
申请人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
发明人： Sueyoshi, Masahiro , Katayama, Takashi , Miyasaka, Shuji , Matsumoto, Masahru , Ishito, Tukuru , Nakamura, Tuyoshi , Fujita, Takeshi , Otomura, Eiji , Kawamura, Akihisa
IPC分类号： H04H1/00 , H04N7/26
CPC分类号： H04B1/665 , H04H20/89 , H04H40/18
摘要： An audio decoding device includes a coded information memory section for storing coded audio information; an information transmission section for reading the coded audio information stored at an arbitrary position in the coded information memory section; and an audio decoding section for decoding the coded audio information read by the information transmission section and outputting the resultant audio information in accordance with a time axis.
摘要翻译：音频解码装置包括用于存储编码音频信息的编码信息存储部分; 信息发送部分，用于读取存储在编码信息存储部分中任意位置的编码音频信息; 以及音频解码部分，用于对由信息发送部分读取的编码音频信息进行解码，并根据时间轴输出所得到的音频信息。

2. 发明授权

EP0948141B1 Decoding device for multichannel audio bitstream 有权
标题翻译：用于解码多声道音频比特流的装置
公开(公告)号：EP0948141B1
公开(公告)日：2005-05-11
申请号：EP99106068.2
申请日：1999-03-26
申请人： Matsushita Electric Industrial Co., Ltd.
发明人： Sueyoshi, Masahiro , Matsumoto, Masaharu , Miyasaka, Shuji , Fujita, Takeshi , Katayama, Takashi , Abe, Kazutaka , Nishio, Kosuke , Kawamura, Akihisa , Ishito, Tsukuru , Nakamura, Tsuyoshi , Otomura, Eiji
IPC分类号： H04B1/66 , H04N7/52
CPC分类号： H04N21/4341 , H04N21/8106

3. 发明公开

EP0871293A3 Audio processing for audio visual equipment 失效
标题翻译：音频处理视听设备
公开(公告)号：EP0871293A3
公开(公告)日：2002-05-29
申请号：EP98106710.1
申请日：1998-04-14
申请人： Matsushita Electric Industrial Co., Ltd.
发明人： Katayama, Takashi , Ishito, Tsukuru , Sueyoshi, Masahiro , Matsumoto, Masaharu , Abe, Kazutaka , Miyasaka, Shuji , Nakamura, Tsuyoshi , Fujita, Takeshi , Otomura, Eiji , Kawamura, Akihisa
IPC分类号： H03M7/00 , H04N7/52 , H04B14/04
CPC分类号： H04N5/602 , G10L21/04 , H04B1/665 , H04N21/4398
摘要： An audio decoding apparatus is provided for receiving a bit stream on a block-by-block basis, decoding one block of the bit stream to form decoded audio data for a plurality of channels, and storing the decoded audio data for each of the plurality of channels in a memory device, thereby down-mixing the decoded audio data for each of the plurality of channels. The audio decoding apparatus includes an operation section for down-mixing the decoded audio data for each of the plurality of channels corresponding to a first block of the bit stream in the memory section while a second block of the bit stream is decoded.

4. 发明公开

EP0871293A2 Audio processing for audio visual equipment 失效
标题翻译： Audioverarbeitungfüraudiovisuelle Apparatur
公开(公告)号：EP0871293A2
公开(公告)日：1998-10-14
申请号：EP98106710.1
申请日：1998-04-14
申请人： Matsushita Electric Industrial Co., Ltd.
发明人： Katayama, Takashi , Ishito, Tsukuru , Sueyoshi, Masahiro , Matsumoto, Masaharu , Abe, Kazutaka , Miyasaka, Shuji , Nakamura, Tsuyoshi , Fujita, Takeshi , Otomura, Eiji , Kawamura, Akihisa
IPC分类号： H03M7/00 , H04N7/52 , H04B14/04
CPC分类号： H04N5/602 , G10L21/04 , H04B1/665 , H04N21/4398
摘要： An audio decoding apparatus is provided for receiving a bit stream on a block-by-block basis, decoding one block of the bit stream to form decoded audio data for a plurality of channels, and storing the decoded audio data for each of the plurality of channels in a memory device, thereby down-mixing the decoded audio data for each of the plurality of channels. The audio decoding apparatus includes an operation section for down-mixing the decoded audio data for each of the plurality of channels corresponding to a first block of the bit stream in the memory section while a second block of the bit stream is decoded.
摘要翻译：提供音频解码装置，用于逐块地接收比特流，解码比特流的一个块以形成用于多个信道的解码音频数据，并存储多个信道中的每一个的解码音频数据通道，从而对多个通道中的每个通道的解码音频数据进行下混。音频解码装置包括一个操作部分，用于对与存储器部分中的比特流的第一块相对应的多个信道中的每一个进行解码的音频数据的下混合，同时解码比特流的第二块。

5. 发明公开

EP0847155A3 Audio decoding device and signal processing device 失效
标题翻译： Tondekodierungsvorrichtung和信号处理装置
公开(公告)号：EP0847155A3
公开(公告)日：2008-04-23
申请号：EP97121639.5
申请日：1997-12-09
申请人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD
发明人： Sueyoshi, Masahiro , Katayama, Takashi , Miyasaka, Shuji , Matsumoto, Masahru , Ishito, Tukuru , Nakamura, Tuyoshi , Fujita, Takeshi , Otomura, Eiji , Kawamura, Akihisa
IPC分类号： H04H1/00
CPC分类号： H04B1/665 , H04H20/89 , H04H40/18
摘要： An audio decoding device includes a coded information memory section for storing coded audio information; an information transmission section for reading the coded audio information stored at an arbitrary position in the coded information memory section; and an audio decoding section for decoding the coded audio information read by the information transmission section and outputting the resultant audio information in accordance with a time axis.

6. 发明授权

EP0957639B1 Digital audio signal decoding apparatus, decoding method and a recording medium storing the decoding steps 有权
标题翻译：用于存储所述解码步骤的数字音频信号解码装置和方法，和记录介质
公开(公告)号：EP0957639B1
公开(公告)日：2006-12-20
申请号：EP99108627.3
申请日：1999-05-11
申请人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
发明人： Fujita, Takeshi , Miyasaka, Shuji , Sueyoshi, Masahiro , Kawamura, Akihisa , Matsumoto, Masaharu , Katayama, Takashi , Ishito, Tsukuru , Nakamura, Tsuyoshi , Otomura, Eiji
IPC分类号： H04N7/24 , H04B1/66
CPC分类号： H04N7/24

7. 发明公开

EP0957639A3 Digital audio signal decoding apparatus, decoding method and a recording medium storing the decoding steps 有权
标题翻译： Digitalaudiosignaldekodierungsvorrichtung und -verfahren undAufzeichnungsträgerzum Speichern der Dekodierungsstufen
公开(公告)号：EP0957639A3
公开(公告)日：2000-07-26
申请号：EP99108627.3
申请日：1999-05-11
申请人： Matsushita Electric Industrial Co., Ltd.
发明人： Fujita, Takeshi , Miyasaka, Shuji , Sueyoshi, Masahiro , Kawamura, Akihisa , Matsumoto, Masaharu , Katayama, Takashi , Ishito, Tsukuru , Nakamura, Tsuyoshi , Otomura, Eiji
IPC分类号： H04N7/24 , H04B1/66
CPC分类号： H04N7/24
摘要： A decoding apparatus according to the present invention comprises a stream input section (1) for separating an input bit stream into auxiliary information and encoded data, an auxiliary information analyzing section (2) for obtaining at least full channel configuration information by analyzing the auxiliary information supplied from the stream input section, a parameter ROM section (5) prestoring therein a decoding control table which presents decoding type numbers classified according to the full channel configuration information, a decoding control section (3) for selecting a decoding type number from the decoding control table on the basis of the full channel configuration information supplied from the auxiliary information analyzing section (2), and for performing decoding control based on the selected type number, and a decoding section (4) for generating output data in accordance with an instruction from the decoding control section (3).
摘要翻译：根据本发明的解码装置包括用于将输入比特流分离成辅助信息和编码数据的流输入部分（1），用于通过分析辅助信息来获得至少全信道配置信息的辅助信息分析部分（2）从流输入部分提供的参数ROM部分（5）在其中预存有根据全信道配置信息分类的解码类型编号的解码控制表，解码控制部分（3），用于从解码中选择解码类型号码基于从辅助信息分析部（2）提供的全通道配置信息，并且用于基于所选择的型号执行解码控制的控制表和用于根据指令产生输出数据的解码部分（4）来自解码控制部（3）。

8. 发明公开

EP0948141A3 Decoding device for multichannel audio bitstream 有权
标题翻译：用于解码多声道音频比特流的装置
公开(公告)号：EP0948141A3
公开(公告)日：2000-07-19
申请号：EP99106068.2
申请日：1999-03-26
申请人： Matsushita Electric Industrial Co., Ltd.
发明人： Sueyoshi, Masahiro , Matsumoto, Masaharu , Miyasaka, Shuji , Fujita, Takeshi , Katayama, Takashi , Abe, Kazutaka , Nishio, Kosuke , Kawamura, Akihisa , Ishito, Tsukuru , Nakamura, Tsuyoshi , Otomura, Eiji
IPC分类号： H04B1/66 , H04N7/52
CPC分类号： H04N21/4341 , H04N21/8106
摘要： A decoding device for decoding a bit stream defined by MPEG2 Audio Multichannel is provided. The bit stream including an MPEG1 compatible area and an MPEG2 multichannel extended area, the MPEG1 compatible area including MPEG1 side information. The decoding device includes: MPEG1 decoding means for decoding the MPEG1 compatible area; MC decoding means for decoding the MPEG2 multichannel extended area; and MC header detection means for executing a first processing including locating a position of a header of the MPEG2 multichannel extended area based on the MPEG1 side information and shifting a read position of the bit stream to the position of the header.

9. 发明公开

EP0880246A3 Compressed code decoding device and audio decoding device 失效
标题翻译：解码器，用于压缩信号和解码器的音频信号
公开(公告)号：EP0880246A3
公开(公告)日：1999-12-01
申请号：EP98108809.9
申请日：1998-05-14
申请人： Matsushita Electric Industrial Co., Ltd.
发明人： Matsumoto, Masaharu , Katayama, Takashi , Sueyoshi, Masahiro , Miyasaka, Shuji , Fujita, Takeshi , Kawamura, Akihisa , Ishito, Tsukuru , Otomura, Eiji , Nakamura, Tsuyoshi
IPC分类号： H04H1/00
CPC分类号： G10L21/055 , G10L19/00
摘要： A compressed code decoding device of the present invention includes: a decoding section for receiving a plurality of groups of blocks of compressed codes and decoding each of the blocks of compressed codes; a buffer section for storing decoded signals decoded by the decoding section; a reproduction time acquisition section for acquiring a reproduction time at which to reproduce a predetermined one of the blocks; an output section for externally outputting the decoded signals stored in the buffer section; a detection section for detecting that the predetermined block of compressed codes has been decoded and output via the output section; an addition section for, at a time when the detection section detects that the predetermined block has been output, adding a time required for reproducing the predetermined block to the reproduction time acquired by the reproduction time acquisition section so as to produce a synchronization time; a synchronization section for comparing the synchronization time produced by the addition section and a current time so as to determine whether the synchronization time is ahead of or behind the current time; a code discarding section for, if the synchronization section determines that the synchronization time is ahead of the current time, discarding either compressed codes of one of the blocks next to the predetermined block or compressed codes of one of the groups next to the group including the predetermined block; and a reproduction delay section for, if the synchronization section determines that the synchronization time is behind the current time, delaying output of either decoded signals of the compressed codes of one of the blocks next to the predetermined block or decoded signals of the compressed codes of one of the groups next to the group including the predetermined block.

10. 发明公开

EP0957639A2 Digital audio signal decoding apparatus, decoding method and a recording medium storing the decoding steps 有权
标题翻译：用于存储所述解码步骤的数字音频信号解码装置和方法，和记录介质
公开(公告)号：EP0957639A2
公开(公告)日：1999-11-17
申请号：EP99108627.3
申请日：1999-05-11
申请人： Matsushita Electric Industrial Co., Ltd.
发明人： Fujita, Takeshi , Miyasaka, Shuji , Sueyoshi, Masahiro , Kawamura, Akihisa , Matsumoto, Masaharu , Katayama, Takashi , Ishito, Tsukuru , Nakamura, Tsuyoshi , Otomura, Eiji
IPC分类号： H04N7/24
CPC分类号： H04N7/24
摘要： A decoding apparatus according to the present invention comprises a stream input section (1) for separating an input bit stream into auxiliary information and encoded data, an auxiliary information analyzing section (2) for obtaining at least full channel configuration information by analyzing the auxiliary information supplied from the stream input section, a parameter ROM section (5) prestoring therein a decoding control table which presents decoding type numbers classified according to the full channel configuration information, a decoding control section (3) for selecting a decoding type number from the decoding control table on the basis of the full channel configuration information supplied from the auxiliary information analyzing section (2), and for performing decoding control based on the selected type number, and a decoding section (4) for generating output data in accordance with an instruction from the decoding control section (3).

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