APPARATUS FOR PROCESSING MIX SIGNAL AND METHOD THEREOF
First Claim
1. A signal processing method comprising:
- extracting a mix signal including at least one source signal from a mix signal bitstream;
extracting side information from a side information bitstream;
obtaining a user-mix parameter; and
generating a remix signal using the mix signal, the side information, and the user-mix parameter,wherein the side information bitstream is divided into a first header area and a data area.
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Abstract
A method and apparatus for processing a signal, and more particularly, an apparatus for processing a signal and method thereof are disclosed, by which a mix signal such as an audio signal and a video signal can be encoded or decoded. The present invention includes extracting a mix signal including at least one source signal from a mix signal bitstream, extracting side information from a side information bitstream, obtaining a user-mix parameter, and generating a remix signal using the mix signal, the side information, and the user-mix parameter, wherein the side information bitstream is divided into a first header area and a data area and wherein the data area comprises at least one frame data area and at least one second header area.
50 Citations
55 Claims
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1. A signal processing method comprising:
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extracting a mix signal including at least one source signal from a mix signal bitstream; extracting side information from a side information bitstream; obtaining a user-mix parameter; and generating a remix signal using the mix signal, the side information, and the user-mix parameter, wherein the side information bitstream is divided into a first header area and a data area. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A signal processing method comprising:
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obtaining a mix signal using at least one source signals; obtaining a source signal to be remixed from the at least one source signal; generating a side information using the mix signal and the source signal to be remixed; and generating a mix signal bitstream and a side information bitstream using the mix signal and the side information, respectively, wherein the side information bitstream is divided into a first header area and a data area.
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9. A signal processing method comprising:
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extracting a side information embedded in a non-perceptual area in a component of a mix signal; and generating a remix signal using the side information and the mix signal. - View Dependent Claims (10, 11, 12)
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13. A signal processing method comprising:
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generating a side information for remixing a mix signal using the mix signal and a source signal included in the mix signal; and embedding the side information in a non-perceptual area in a component of the mix signal. - View Dependent Claims (14, 15, 16)
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17. A signal processing method comprising:
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extracting a combined signal embedded in a non-perceptual area in a component of a first audio signal; reconstructing a signal component corresponding to the non-perceptual area by performing lossless decoding on the combined signal; and generating a second audio signal using the reconstructed signal component and the first audio signal, wherein the second audio signal is an original signal prior to embedding the combined signal. - View Dependent Claims (18, 19)
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20. A signal processing method comprising:
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lossless-coding a signal component located in a non-perceptual area of a component of an audio signal; generating a combined signal by combining the lossless-encoded signal component and a side information together; and embedding the combined signal in the non-perceptual area.
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21. A signal processing method comprising:
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extracting a side information existing in a non-perceptual area of a component of a mix signal; encoding a mix signal from which the side information is extracted; and generating a bitstream using the encoded mix signal and the side information, wherein the side information comprises an information for remixing the mix signal. - View Dependent Claims (22)
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23. A signal processing method comprising:
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extracting an encoded mix signal and a side information from a bitstream; decoding the encoded mix signal; and embedding the side information in a non-perceptual area of a component of the decoded mix signal, wherein the side information comprises an information for remixing the mix signal.
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24. A signal processing apparatus comprising:
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an embedded signal decoding unit extracting an encoded side information embedded in a non-perceptual area in a component of a mix signal; a side information decoding unit generating a side information by decoding the encoded side information; and a remix rendering unit generating a remix signal using the side information and the mix signal.
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25. A signal processing method comprising:
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obtaining an identification information of a mix signal; obtaining a source control information matched to the identification information; and generating a remix signal using the source control information and the mix signal. - View Dependent Claims (26, 27, 28, 29, 30, 31)
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32. A signal processing apparatus interconnected to a processor of a mix signal, comprising:
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a memory storing a source control information per an identification information of the mix signal; and a control unit read-outing the source control information matched to the mix signal based on the identification information of the mix signal, and outputting the read source control information to the processor of the mix signal. - View Dependent Claims (33)
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34. A signal processing method comprising:
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read-outing a source control information corresponding to a mix signal; either storing or transmitting the source control information, wherein the source control information comprises an identification information for identifying the mix signal. - View Dependent Claims (35)
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36. A signal processing apparatus comprising:
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a memory storing a source control information corresponding to a mix signal; a communication unit communicating with a mix signal controller; and a control unit controlling the source control signal to be transmitted to the mix signal controller through the communication unit.
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37. A signal processing method comprising:
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receiving a side information corresponding to a mix signal and a control information; and generating an upmixing parameter to upmix the mix signal based on the side information and the control information. - View Dependent Claims (38, 39)
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40. A signal processing apparatus comprising:
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a communication unit receiving a control information corresponding to a mix signal; and a parameter generating unit generating an upmixing parameter to upmix the mix signal based on the control information and a side information.
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41. A signal processing method comprising:
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obtaining a mix signal including at least one source signal; obtaining a mix parameter; generating a side information using a signal component indicating a specific space included in the mix signal; and generating a remix signal using the mix signal, the mix parameter, and the side information, wherein the side information indicates a relation between the mix signal and a source signal to be remixed among the at least one source signal included in the mix signal. - View Dependent Claims (42)
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43. A signal processing method comprising:
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generating a first mix signal including at least one first source signal; generating a second source signal not included in the first mix signal; generating a second mix signal using the first mix signal and the second source signal; and generating a remix signal using the first mix signal and the second mix signal. - View Dependent Claims (44, 45, 46, 47, 48, 49, 50, 51)
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52. A signal processing apparatus comprising:
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a mix signal decoding unit obtaining a mix signal including at least one source signal; a side information generating unit generating a side information using a signal component indicating a specific space included in the mix signal; and a remix rendering unit generating a remix signal using the mix signal, a mix parameter, and the side information, wherein the side information indicates a relation between the mix signal and a source signal to be remixed among the at least on or more source signals included in the mix signal.
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53. A signal processing apparatus comprising:
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a mix signal decoding unit generating a first mix signal including at least one first source signal; a source signal decoding unit generating a second source signal not included in the first mix signal; a mix signal modifying unit generating a second mix signal using the first mix signal and the second source signal; and a remix signal generating unit generating a remix signal using the first mix signal and the second mix signal. - View Dependent Claims (54, 55)
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Specification