Method for embedding and acquiring sound source orientation information and audio coding decoding method and system
A technology of directional information and sound source, applied in the field of audio data encoding and decoding, can solve problems such as occupying large transmission bandwidth or storage space, difficulty in obtaining directional information of sound source, and destruction of phase relationship
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[0020] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and examples.
[0021] Based on the existing audio compression coding standards, audio monophonic data is usually divided into several frames in the code stream formed after compression coding, and the existing audio compression coding standards define the Carry the header syntax structure of code stream information such as encoding mode, sampling frequency, channel number, code rate, etc. Therefore, in the embodiment of the present invention, the audio monophonic data is still compressed and encoded to form a code stream, and at the same time, the sound source is directed After the information is encoded, it is added to the header syntax structure of any one or more frames in the code stream, so as to embed the sound source orientation information in the code stream an...
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