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    • 47. 发明授权
    • Method, device and system for enhancement layer signal encoding and decoding
    • 用于增强层信号编码和解码的方法,装置和系统
    • US08380526B2
    • 2013-02-19
    • US13111834
    • 2011-05-19
    • Chen HuZexin LiuLei MiaoLongyin ChenQing ZhangWei XiaoHerve Marcel Taddei
    • Chen HuZexin LiuLei MiaoLongyin ChenQing ZhangWei XiaoHerve Marcel Taddei
    • G10L19/00G10L19/12
    • G10L21/00G10L19/24
    • A method, device and system for signal encoding and decoding are disclosed. The method includes: encoding a core layer signal to obtain a core layer signal code; selecting an enhancement sample point that requires enhancement layer signal encoding according to the core layer signal code and the number of bits that can be used by an enhancement layer; obtaining an enhancement layer signal code of the enhancement sample point; and outputting a bit stream, where the bit stream includes the core layer signal code and the enhancement layer signal code. In embodiments of the present invention, according to the number of bits that can be used by the enhancement layer, the enhancement sample point that requires enhancement layer signal encoding is selected; the enhancement layer signal of the selected enhancement sample point is encoded and decoded; when no sufficient bits are available for the enhancement layer, the enhancement quality of the core layer can be improved.
    • 公开了用于信号编码和解码的方法,装置和系统。 该方法包括:编码核心层信号以获得核心层信号码; 选择需要根据核心层信号码的增强层信号编码和增强层可以使用的位数的增强采样点; 获得增强采样点的增强层信号码; 并输出比特流,其中比特流包括核心层信号码和增强层信号码。 在本发明的实施例中,根据增强层可以使用的比特数,选择需要增强层信号编码的增强采样点; 所选择的增强采样点的增强层信号被编码和解码; 当没有足够的比特可用于增强层时,可以提高核心层的增强质量。
    • 48. 发明授权
    • Method, device and system for signal encoding and decoding
    • 用于信号编码和解码的方法,装置和系统
    • US08140343B2
    • 2012-03-20
    • US13210127
    • 2011-08-15
    • Chen HuZexin LiuLei MiaoLongyin ChenQing ZhangWei XiaoHerve Marcel Taddei
    • Chen HuZexin LiuLei MiaoLongyin ChenQing ZhangWei XiaoHerve Marcel Taddei
    • G10L19/00G10L21/04
    • G10L21/00G10L19/24
    • A method, device and system for signal encoding and decoding, the method comprising: encoding a core layer signal to obtain a core layer signal code; selecting an enhancement sample point that requires enhancement layer signal encoding according to the core layer signal code and the number of bits that can be used by an enhancement layer; obtaining an enhancement layer signal code of the enhancement sample point; and outputting a bit stream, where the bit stream includes the core layer signal code and the enhancement layer signal code. In embodiments of the present invention, according to the number of bits that can be used by the enhancement layer, the enhancement sample point that requires enhancement layer signal encoding is selected; the enhancement layer signal of the selected enhancement sample point is encoded and decoded; when no sufficient bits are available for the enhancement layer, the enhancement quality of the core layer can be improved.
    • 一种用于信号编码和解码的方法,装置和系统,所述方法包括:对核心层信号进行编码以获得核心层信号码; 选择需要根据核心层信号码的增强层信号编码和增强层可以使用的位数的增强采样点; 获得增强采样点的增强层信号码; 并输出比特流,其中比特流包括核心层信号码和增强层信号码。 在本发明的实施例中,根据增强层可以使用的比特数,选择需要增强层信号编码的增强采样点; 所选择的增强采样点的增强层信号被编码和解码; 当没有足够的比特可用于增强层时,可以提高核心层的增强质量。
    • 49. 发明授权
    • Signal classification processing method, classification processing device, and encoding system
    • 信号分类处理方法,分类处理装置和编码系统
    • US08103515B2
    • 2012-01-24
    • US13160115
    • 2011-06-14
    • Longyin ChenZexin LiuLei MiaoChen HuWei XiaoMarcel Taddei HerveQing Zhang
    • Longyin ChenZexin LiuLei MiaoChen HuWei XiaoMarcel Taddei HerveQing Zhang
    • G10L19/00
    • G10L19/22G10L19/025
    • A signal classification processing method, a classification processing device, and an encoding system are provided. The signal classification processing method includes: obtaining a high band input signal; determining a signal type of the obtained high band input signal according to a time domain characteristic parameter and/or a frequency domain characteristic parameter of the high band input signal; and determining an encoding mode corresponding to the signal type. The classification processing device includes: a receiving unit, configured to obtain a high band input signal; and a processing unit, configured to determine a signal type of the obtained high band input signal according to a time domain characteristic parameter and/or a frequency domain characteristic parameter of the high band input signal and determine an encoding mode corresponding to the signal type. An encoding system is also provided. Therefore, type subdivision and processing are performed on the high band input signal, so as to facilitate encoding and decoding processing of the signal.
    • 提供信号分类处理方法,分类处理装置和编码系统。 信号分类处理方法包括:获得高频带输入信号; 根据高频带输入信号的时域特性参数和/或频域特性参数,确定所获得的高频带输入信号的信号类型; 以及确定与所述信号类型对应的编码模式。 分类处理装置包括:接收单元,被配置为获得高频带输入信号; 以及处理单元,被配置为根据所述高频带输入信号的时域特性参数和/或频域特性参数来确定所获得的高频带输入信号的信号类型,并且确定与所述信号类型对应的编码模式。 还提供了编码系统。 因此,对高频带输入信号进行类型细分处理,便于信号的编码和解码处理。