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    • 1. 发明申请
    • Apparatus and method of encoding audio data and apparatus and method of decoding encoded audio data
    • 编码音频数据的装置和方法以及对编码音频数据进行解码的方法
    • US20060235678A1
    • 2006-10-19
    • US11403827
    • 2006-04-14
    • Miyoung KimSangwook KimDonyung KimShihwa LeeJunghoe Kim
    • Miyoung KimSangwook KimDonyung KimShihwa LeeJunghoe Kim
    • G10L19/00
    • G10L21/038G10L19/0017G10L19/24
    • An apparatus and method encode audio data, and an apparatus and method decode encoded audio data. An audio data encoding apparatus includes: a scalable encoding unit dividing audio data into a plurality of layers, representing the audio data in predetermined numbers of bits in each of the plurality of layers, and encoding a lower layer prior to encoding an upper layer and an upper bit of each layer prior to encoding a lower bit of each layer; an SBR encoding unit generating spectral band replication (SBR) data that has information with respect to audio data in a frequency band of frequencies equal to or greater than a predetermined frequency among the audio data to be encoded, and encoding the SBR data; and a bitstream production unit generating a bitstream using the encoded SBR data and the encoded audio data corresponding to a predetermined bitrate.
    • 一种对音频数据进行编码的装置和方法,并且对编码音频数据进行解码的装置和方法。 音频数据编码装置包括:可分级编码单元,将音频数据划分成多个层,以多个层中的每个层中的预定位数表示音频数据;以及在对上层进行编码之前编码下层, 在对每个层的较低位进行编码之前的每一层的高位; SBR编码单元,生成频谱带复制(SBR)数据,其对于要编码的音频数据中具有等于或大于预定频率的频率的频带中的音频数据具有信息,并对SBR数据进行编码; 以及比特流产生单元,其使用编码的SBR数据和对应于预定比特率的编码音频数据来生成比特流。
    • 2. 发明授权
    • Apparatus and method of encoding and decoding bitrate adjusted audio data
    • 比特率调整音频数据的编码和解码装置和方法
    • US07813932B2
    • 2010-10-12
    • US11403827
    • 2006-04-14
    • Miyoung KimSangwook KimDonyung KimShihwa LeeJunghoe Kim
    • Miyoung KimSangwook KimDonyung KimShihwa LeeJunghoe Kim
    • G10L19/00
    • G10L21/038G10L19/0017G10L19/24
    • An apparatus and method encode audio data, and an apparatus and method decode encoded audio data. An audio data encoding apparatus includes: a scalable encoding unit dividing audio data into a plurality of layers, representing the audio data in predetermined numbers of bits in each of the plurality of layers, and encoding a lower layer prior to encoding an upper layer and an upper bit of each layer prior to encoding a lower bit of each layer; an SBR encoding unit generating spectral band replication (SBR) data that has information with respect to audio data in a frequency band of frequencies equal to or greater than a predetermined frequency among the audio data to be encoded, and encoding the SBR data; and a bitstream production unit generating a bitstream using the encoded SBR data and the encoded audio data corresponding to a predetermined bitrate.
    • 一种对音频数据进行编码的装置和方法,并且对编码音频数据进行解码的装置和方法。 音频数据编码装置包括:可分级编码单元,将音频数据划分成多个层,以多个层中的每个层中的预定位数表示音频数据;以及在对上层进行编码之前编码下层, 在对每个层的较低位进行编码之前的每一层的高位; SBR编码单元,生成频谱带复制(SBR)数据,其对于要编码的音频数据中具有等于或大于预定频率的频率的频带中的音频数据具有信息,并对SBR数据进行编码; 以及比特流产生单元,其使用编码的SBR数据和对应于预定比特率的编码音频数据来生成比特流。