摘要:
A method for processing an audio signal, comprising the steps of extracting an ancillary signal for generating the audio signal and an extension signal included in the ancillary signal from a received bit stream, reading length information of the extension signal from an extension area of the ancillary signal, and generating the audio signal using the ancillary signal. Accordingly, in case of processing the audio signal by the present invention, it is able to reduce a corresponding load of operation to enable efficient processing and enhance a sound quality.
摘要:
Data coding and entropy coding are performed with interconnection, and grouping is used to enhance coding efficiency. The present invention includes the steps of obtaining mode information and obtaining a pilot reference value corresponding to a plurality of data and a pilot difference value corresponding to the pilot reference value according to data attribute indicated by the mode information and obtaining the data using the pilot reference value and the pilot difference value.
摘要:
A method for processing an audio signal, comprising the steps of extracting an ancillary signal for generating the audio signal and an extension signal included in the ancillary signal from a received bit stream, reading length information for the extension signal, skipping decoding of the extension signal or not using a result of the decoding based on the length information, and generating the audio signal using the ancillary signal. Accordingly, in case of processing the audio signal by the present invention, it is able to reduce a corresponding load of operation to enable efficient processing and enhance a sound quality.
摘要:
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.
摘要:
The present invention relates to a method and apparatus for processing a signal. An object of the present invention devised to solve the problem lies on a method and apparatus for processing a signal, which allows a signal having optimized signal transmission efficiency to be transmitted/received. According to an aspect of the present invention, there is provided a method of processing a signal including receiving a broadcasting signal including audio data coded using a pilot reference value and a pilot difference value, demodulating the broadcasting signal in consideration of a scattered pilot which varies over time and a continual pilot which is fixed over time in a frame of the received broadcasting signal and decoding the demodulated signal to obtain a broadcasting transmission stream, demultiplexing the broadcasting transmission stream to obtain coded audio data in an Internet protocol (IP) packet and an identifier for identifying a method of decoding the audio data, obtaining the pilot reference value corresponding to a plurality of data and the pilot difference value corresponding to the pilot reference value from the coded audio data and obtaining the audio data using the pilot reference value and the pilot difference value.
摘要:
A method and apparatus for processing a signal compressed in accordance with a specific alternative coding scheme are disclosed. In detail, a coding method for signal compression and signal restoration using a specific alternative coding scheme, and an apparatus therefor are disclosed. Data coding and entropy coding according to the present invention are executed under the condition in which they have a co-relation with each other. The method for signal processing includes obtaining a pilot reference value corresponding to a plurality of data and a pilot difference value corresponding to the pilot reference value, and obtaining the data using the pilot reference value and the pilot difference value.
摘要:
An apparatus for processing a signal and method thereof are disclosed. Data coding and entropy coding are performed with interconnection, and grouping is used to enhance coding efficiency. The present invention includes the steps of obtaining index information and entropy-decoding the index information and identifying a content corresponding to the entropy-decoded index information and selecting entropy table.
摘要:
Methods of encoding and decoding a multi-channel audio signal and apparatuses for encoding and decoding a multi-channel audio signal are provided. The method of decoding a multi-channel audio signal includes an unpacking unit which extracts a quantized CLD between a pair of channels of a plurality of channels from a bitstream, and an inverse quantization unit which inverse-quantizes the quantized CLD using a quantization table that considers the location properties of the pair of channels. The methods of encoding and decoding a multi-channel audio signal and the apparatuses for encoding and decoding a multi-channel audio signal can enable an efficient encoding/decoding by reducing the number of quantization bits required.
摘要:
A method and apparatus for processing a signal compressed in accordance with a specific alternative coding scheme are disclosed. In detail, a coding method for signal compression and signal restoration using a specific alternative coding scheme, and an apparatus therefor are disclosed. Data coding and entropy coding according to the present invention are executed under the condition in which they have a co-relation with each other. Grouping is executed for an enhancement in coding efficiency. The method for signal processing includes obtaining a group reference value corresponding to a plurality of data included in one group, through grouping, and a difference value corresponding to the group reference value, and obtaining the data using the group reference value and the difference value.
摘要:
An apparatus for processing a media signal and method thereof are disclosed, by which the media signal can be converted to a surround signal by using spatial information of the media signal. The present invention provides a method of processing a signal, the method comprising of generating source mapping information corresponding to each source of multi-sources by using spatial information indicating features between the multi-sources; generating at least one rendering information by using the source mapping information and filter information having a surround effect; and performing smoothing by using neighbor rendering information of the at least one rendering information.