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    • 1. 发明申请
    • Audio decoding device
    • 音频解码装置
    • US20080086312A1
    • 2008-04-10
    • US11822907
    • 2007-07-11
    • Hideyuki KakunoNaoki Shindo
    • Hideyuki KakunoNaoki Shindo
    • G10L19/00
    • H04S3/008G10L19/008H04N21/439H04S2420/03
    • An audio decoding device comprises an audio decoding section for decoding first stream data and second stream data to generate two pieces of audio data and a data processing parameter, an external setting section in which a parameter corresponding to the data processing parameter is set, and an audio data processing section for processing the two pieces of audio data. When the data processing parameter contained in the second stream data is inappropriate, the audio data processing section performs data processing using the parameter set in the external setting section. When the data processing parameter contained in the second stream data is appropriate, the audio data processing section performs data processing using the data processing parameter generated by the audio decoding section.
    • 音频解码装置包括用于解码第一流数据的音频解码部分和第二数据流数据以产生两条音频数据和数据处理参数,其中设置与数据处理参数对应的参数的外部设置部分,以及 音频数据处理部分,用于处理两个音频数据。 当包含在第二流数据中的数据处理参数不合适时,音频数据处理部分使用在外部设置部分中设置的参数进行数据处理。 当包含在第二流数据中的数据处理参数适当时,音频数据处理部分使用由音频解码部分生成的数据处理参数进行数据处理。
    • 2. 发明授权
    • Audio decoding device
    • 音频解码装置
    • US08090585B2
    • 2012-01-03
    • US11822907
    • 2007-07-11
    • Hideyuki KakunoNaoki Shindo
    • Hideyuki KakunoNaoki Shindo
    • G10L19/00G10L21/00
    • H04S3/008G10L19/008H04N21/439H04S2420/03
    • An audio decoding device comprises an audio decoding section for decoding first stream data and second stream data to generate two pieces of audio data and a data processing parameter, an external setting section in which a parameter corresponding to the data processing parameter is set, and an audio data processing section for processing the two pieces of audio data. When the data processing parameter contained in the second stream data is inappropriate, the audio data processing section performs data processing using the parameter set in the external setting section. When the data processing parameter contained in the second stream data is appropriate, the audio data processing section performs data processing using the data processing parameter generated by the audio decoding section.
    • 音频解码装置包括用于解码第一流数据的音频解码部分和第二数据流数据以产生两条音频数据和数据处理参数,其中设置与数据处理参数对应的参数的外部设置部分,以及 音频数据处理部分,用于处理两个音频数据。 当包含在第二流数据中的数据处理参数不合适时,音频数据处理部分使用在外部设置部分中设置的参数进行数据处理。 当包含在第二流数据中的数据处理参数适当时,音频数据处理部分使用由音频解码部分生成的数据处理参数进行数据处理。
    • 3. 发明申请
    • Stream decoding system
    • 流解码系统
    • US20050163275A1
    • 2005-07-28
    • US11020042
    • 2004-12-23
    • Shuhei YamadaHideyuki Kakuno
    • Shuhei YamadaHideyuki Kakuno
    • G10L19/00H03M7/30H04L7/08H04L29/06H04L7/00
    • H04L65/607H04L29/06027H04L65/604H04L65/80H04L69/04H04L69/22
    • For a stream input from a signal input section to a synchronization word analysis section, a synchronization word is searched by the synchronization word analysis section and it is confirmed whether or not the analyzed synchronization word matches a pattern of a decodable synchronization word. When a synchronization word is detected, the synchronization word is selectively output to a header analysis section corresponding to the type of the detected synchronization word by decoding system switching section. Then, using analyzed header information, a frame is decoded by the decoding section and output from a signal output section. After the frame is output, the process returns to the synchronization word analysis section and the same processing is performed to each of all frames in the stream.
    • 对于从信号输入部分到同步字分析部分的流输入,由同步字分析部分搜索同步字,并且确认所分析的同步字是否与可解码同步字的模式匹配。 当检测到同步字时,通过解码系统切换部分,同步字被选择性地输出到与检测到的同步字的类型对应的标题分析部分。 然后,使用分析的标题信息,由解码部分解码帧并从信号输出部分输出。 在输出帧之后,处理返回到同步字分析部分,并且对流中的所有帧中的每一帧执行相同的处理。
    • 4. 发明授权
    • Simultaneous audio decoding apparatus for plural compressed audio streams
    • 用于多个压缩音频流的同时音频解码装置
    • US07693722B2
    • 2010-04-06
    • US11168464
    • 2005-06-29
    • Hideyuki KakunoMasahiro SueyoshiKosuke Nishio
    • Hideyuki KakunoMasahiro SueyoshiKosuke Nishio
    • G10L21/04H04N7/12H04L27/00H04M1/00
    • G10L19/167
    • An audio decoding apparatus for decoding and reproducing a plurality of compressed audio streams simultaneously without sound interruption, even when the number of samples per frame is different. The audio decoding apparatus includes: a first and second audio decoder which decode two inputted compressed audio streams, and output audio data; a first and second intermediate buffer which temporarily hold the outputted audio data; a first and second audio output unit which convert the audio data into audio signals and output such audio signals; an output control unit which reads the audio data from the first and second intermediate buffer, and transmits the audio data to the first and second audio output unit. The output control unit repeats the reading and transmission of either the same number of samples of audio data or the number of samples of audio data for the same amount of transmission time.
    • 一种用于同时解码和再现多个压缩音频流而没有声音中断的音频解码装置,即使每帧的采样数量不同也是如此。 音频解码装置包括:解码两个输入的压缩音频流并输出音频数据的第一和第二音频解码器; 临时保存所输出的音频数据的第一和第二中间缓冲器; 第一和第二音频输出单元,其将音频数据转换成音频信号并输出​​这样的音频信号; 输出控制单元,其从第一和第二中间缓冲器读取音频数据,并将音频数据发送到第一和第二音频输出单元。 输出控制单元重复读取和发送音频数据的相同数量的样本或相同量的传输时间的音频数据的样本数量。
    • 5. 发明申请
    • Audio decoding apparatus
    • 音频解码装置
    • US20060080109A1
    • 2006-04-13
    • US11168464
    • 2005-06-29
    • Hideyuki KakunoMasahiro SueyoshiKosuke Nishio
    • Hideyuki KakunoMasahiro SueyoshiKosuke Nishio
    • G10L21/00
    • G10L19/167
    • The present invention provides an audio decoding apparatus which can decode and reproduce a plurality of compressed audio streams simultaneously without sound interruption, even when the number of samples per frame is different. The audio decoding apparatus includes: a first and second audio decoder which decode two inputted compressed audio streams, and output audio data; a first and second intermediate buffer which temporarily hold the outputted audio data; a first and second audio output unit which convert the audio data into audio signals and output such audio signals; an output control unit which reads the audio data from the first and second intermediate buffer, and transmits the audio data to the first and second audio output unit. The output control unit repeats the reading and transmission of either the same number of samples of audio data or the number of samples of audio data for the same amount of transmission time, from the first and second intermediate buffer to the first and second output unit.
    • 本发明提供了一种音频解码装置,即使当每帧的采样数量不同时,也可以同时解码和再现多个压缩音频流而没有声音中断。 音频解码装置包括:解码两个输入的压缩音频流并输出音频数据的第一和第二音频解码器; 临时保存所输出的音频数据的第一和第二中间缓冲器; 第一和第二音频输出单元,其将音频数据转换成音频信号并输出​​这样的音频信号; 输出控制单元,其从第一和第二中间缓冲器读取音频数据,并将音频数据发送到第一和第二音频输出单元。 输出控制单元重复从第一和第二中间缓冲器到第一和第二输出单元的相同数量的音频数据样本或相同数量的传输时间的音频数据的样本数量的读取和传输。
    • 7. 发明授权
    • Multimedia data decoder
    • 多媒体数据解码器
    • US07200562B2
    • 2007-04-03
    • US10336800
    • 2003-01-06
    • Seigo SugutaNorio HatanakaHideyuki KakunoMasahiro Sueyoshi
    • Seigo SugutaNorio HatanakaHideyuki KakunoMasahiro Sueyoshi
    • G10L21/00
    • H04N21/84G11B20/10527G11B2020/10537G11B2020/10555G11B2220/2562H04N19/44H04N21/4355H04N21/4394H04N21/44008
    • The multimedia data decoder includes a decoding section and a control section. The decoding section for decoding coded data in a bit stream has a function to detect a synchronous word from the bit stream, analyze decoding information following the synchronous word and extract specific option designating information from the decoding information. The control section determines whether or not the option designating information extracted by the decoding section has any out-of-standard value, that is, any value that is not defined by a standard. If the option designating information has any out-of-standard data, the control section controls the decoding section so as to replace the out-of-standard value with a value defined by the standard and conduct a decoding process. For this purpose, the control section applies replacement information to the decoding section. Accordingly, decoded data is obtained even if the decoding information has an out-of-standard value.
    • 多媒体数据解码器包括解码部分和控制部分。 用于解码比特流中的编码数据的解码部分具有从比特流中检测同步字的功能,分析跟随同步字的解码信息,并从解码信息中提取特定选项指定信息。 控制部分确定由解码部分提取的选项指定信息是否具有任何超出标准的值,即,未被标准定义的任何值。 如果选项指定信息具有任何超出标准的数据,则控制部分控制解码部分,以用由标准定义的值替换超出标准值并进行解码处理。 为此,控制部分将替换信息应用于解码部分。 因此,即使解码信息具有超出标准值,也获得解码数据。