| Patent application number | Description | Published |
|---|
| 20090177479 | Method for Encoding and Decoding Object-Based Audio Signal and Apparatus Thereof - Methods and apparatuses for encoding and decoding an object-based audio signal are provided. The method of decoding an object-based audio signal includes extracting a down-mix signal and object-based parameter information from an input audio signal, generating an object-audio signal using the down-mix signal and the object-based parameter information, and generating an object audio signal with three-dimensional (3D) effects by applying 3D information to the object audio signal. Accordingly, it is possible to localize a sound image for each object audio signal and thus provide a vivid sense of reality during the reproduction of object audio signals. | 07-09-2009 |
| 20090210238 | Methods and Apparatuses for Encoding and Decoding Object-Based Audio Signals - An audio decoding method and apparatus and an audio encoding method and apparatus which can efficiently process object-based audio signals are provided. The audio decoding method includes receiving a downmix signal, which is obtained by downmixing a plurality of object signals, and object side information, extracting metadata from the object-side information and displaying an information regarding the object signals based on the metadata. | 08-20-2009 |
| 20090210239 | Method for Encoding and Decoding Object-Based Audio Signal and Apparatus Thereof - The present invention relates to a method and apparatus for encoding and decoding object-based audio signals. This audio decoding method includes extracting a first audio signal and a first audio parameter in which a music object are encoded on a channel basis and a second audio signal and a second audio parameter in which a vocal object are encoded on an object basis, from an audio signal, generating a third audio signal by employing at least one of the first and second audio signals, and generating a multi-channel audio signal by employing at least one of the first and second audio parameters and the third audio signal. Accordingly, the amount of calculation in encoding and decoding processes and the size of a bitstream that is encoded can be reduced efficiently. | 08-20-2009 |
| 20090265164 | Method for Encoding and Decoding Object-Based Audio Signal and Apparatus Thereof - The present invention relates to a method for encoding and decoding object-based audio signal and an apparatus thereof. The audio decoding method includes extracting a first audio signal in which one or more music objects are grouped and encoded, a second audio signal in which at least two vocal objects are grouped step by step and encoded, and a residual signal corresponding to the second audio signal, from an audio signal, and generating a third audio signal by employing at least one of the first and second audio signals and the residual signal. A multi-channel audio signal is then generated by employing the third audio signal. Accordingly, a variety of play modes can be provided efficiently. | 10-22-2009 |
| 20090326958 | Methods and Apparatuses for Encoding and Decoding Object-Based Audio Signals - An audio decoding method and apparatus and an audio encoding method and apparatus which can efficiently process object-based audio signals are provided. The audio decoding method includes receiving first and second audio signals, which are object-encoded; generating third object energy information based on first object energy information included in the first audio signal and second object energy information included in the second audio signal; and generating a third audio signal by combining the first and second object signals and the third object energy information. | 12-31-2009 |
| 20100076772 | Methods and Apparatuses for Encoding and Decoding Object-Based Audio Signals - An audio decoding method and apparatus and an audio encoding method and apparatus which can efficiently process object-based audio signals are provided. The audio decoding method includes receiving a downmix signal and object-based side information, the downmix signal comprising at least two downmix channel signals; extracting gain information from the object-based side information and generating modification information for modifying the downmix channel signals on a channel-by-channel basis based on the gain information; and modifying the downmix channel signals by applying the modification information to the downmix channel signals. | 03-25-2010 |
| 20110200197 | Methods and Apparatuses for Encoding and Decoding Object-Based Audio Signals - An audio decoding method and apparatus and an audio encoding method and apparatus which can efficiently process object-based audio signals are provided. The audio decoding method includes receiving a downmix signal and object-based side information, the downmix signal comprising at least two downmix channel signals; extracting gain information from the object-based side information and generating modification information for modifying the downmix channel signals on a channel-by-channel basis based on the gain information; and modifying the downmix channel signals by applying the modification information to the downmix channel signals. | 08-18-2011 |
| 20110202356 | Methods and Apparatuses for Encoding and Decoding Object-Based Audio Signals - An audio decoding method and apparatus and an audio encoding method and apparatus which can efficiently process object-based audio signals are provided. The audio decoding method includes receiving a downmix signal, which is obtained by downmixing a plurality of object signals, and object side information, extracting metadata from the object-side information and displaying an information regarding the object signals based on the metadata. | 08-18-2011 |
| 20110202357 | Methods and Apparatuses for Encoding and Decoding Object-Based Audio Signals - An audio decoding method and apparatus and an audio encoding method and apparatus which can efficiently process object-based audio signals are provided. The audio decoding method includes receiving a downmix signal, which is obtained by downmixing a plurality of object signals, and object side information, extracting metadata from the object-side information and displaying an information regarding the object signals based on the metadata. | 08-18-2011 |
