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    • 73. 发明授权
    • Method and apparatus for encoding and decoding an audio signal
    • 用于对音频信号进行编码和解码的方法和装置
    • US08185403B2
    • 2012-05-22
    • US11994404
    • 2006-06-30
    • Hee Suk PangHyen-O OhDong Soo KimJae Hyun LimYang-Won Jung
    • Hee Suk PangHyen-O OhDong Soo KimJae Hyun LimYang-Won Jung
    • G10L19/00
    • G10L19/008G10L19/167
    • A method and apparatus for encoding and decoding an audio signal are provided. The present invention includes receiving an audio signal including a downmix signal and a spatial information signal, if a header is included in the spatial information signal, extracting configuration information from the header, extracting spatial information included in the spatial information signal, and converting the downmix signal to a multi-channel signal using the configuration information and the spatial information. Accordingly, the header can be selectively included in the spatial information signal, thereby if the header is plurally included in the spatial information signal, it is able to decode spatial information in case of reproducing the audio signal from a random point.
    • 提供了一种用于对音频信号进行编码和解码的方法和装置。 本发明包括接收包括下混信号和空间信息信号的音频信号,如果标题包括在空间信息信号中,则从报头提取配置信息,提取空间信息信号中包括的空间信息,并转换下混合 使用配置信息和空间信息向多信道信号发送信号。 因此,标题可以被选择性地包括在空间信息信号中,从而如果标题多次包含在空间信息信号中,则能够在从随机点再现音频信号的情况下解码空间信息。
    • 78. 发明授权
    • Slot position coding for non-guided spatial audio coding
    • 非引导空间音频编码的时隙位置编码
    • US07792668B2
    • 2010-09-07
    • US11514359
    • 2006-08-30
    • Hee Suk PangDong Soo KimJae Hyun LimHyen O. OhYang Won Jung
    • Hee Suk PangDong Soo KimJae Hyun LimHyen O. OhYang Won Jung
    • G10L19/00
    • G10L19/167G10L19/008H04R2499/11H04S1/007H04S3/002H04S2420/03
    • Spatial information associated with an audio signal is encoded into a bitstream, which can be transmitted to a decoder or recorded to a storage media. The bitstream can include different syntax related to time, frequency and spatial domains. In some embodiments, the bitstream includes one or more data structures (e.g., frames) that contain ordered sets of slots for which parameters can be applied. The data structures can be fixed or variable. The data structure can include position information that can be used by a decoder to identify the correct slot for which a given parameter set is applied. The slot position information can be encoded with either a fixed number of bits or a variable number of bits based on the data structure type as indicated by the data structure type indicator.
    • 与音频信号相关联的空间信息被编码为比特流,其可被发送到解码器或记录到存储介质。 比特流可以包括与时间,频率和空间域相关的不同语法。 在一些实施例中,比特流包括一个或多个数据结构(例如,帧),其包含有序集合的时隙,可以对其应用参数。 数据结构可以是固定的或可变的。 数据结构可以包括可由解码器使用的位置信息来识别应用给定参数集的正确时隙。 可以基于由数据结构类型指示符指示的数据结构类型,以固定数量的比特或可变数目的比特来编码时隙位置信息。