Video/audio output apparatus and video/audio output method

Abstract

A video/audio output apparatus comprises a control unit adapted to perform screen management of output video, and generate positional relationship information for each input video data; an extraction unit adapted to generate partial image data from the each input video data; an input unit adapted to input audio source differentiated audio data; and a tile generation unit adapted to configure tile data by compiling the partial image data generated by the extraction unit and the audio source differentiated audio data for each drawing region on a screen, based on the positional relationship information generated by the control unit.

1 . A video/audio output apparatus comprising:
 a control unit configured to perform screen management of output video, and generate positional relationship information for each input video data;   an image division unit configured to generate partial image data by dividing each input video data;   an input unit configured to input audio data;   an audio separation unit configured to generate audio source differentiated data by separating the audio data input for each audio source included in the audio data;   a tile generation unit configured to generate tile data by compiling the generated partial image data and the generated audio source differentiated data for each drawing region on a screen, based on the generated positional relationship information;   a screen composition unit configured to generate one piece of screen data by composing the generated tile data;   an output unit configured to display the generated screen data on a display device; and   an audio data composition unit configured to generate audio data for one screen by composing the audio source differentiated data in the generated tile data.   
     
     
         2 . The apparatus according to  claim 1 , wherein the audio separation unit further specifies coordinates of each audio source on the screen, and associates the separated audio data with information of the audio source coordinates. 
     
     
         3 . The apparatus according to  claim 1 , wherein the tile data includes a proportion of the audio source differentiated audio data relative to an overall sound volume as sound volume information. 
     
     
         4 . A video/audio output method comprising:
 performing screen management of output video, and generating positional relationship information for each input video data;   generating partial image data by dividing each input video data;   inputting audio data;   generating audio source differentiated data by separating the audio data for each audio source included in the audio data;   generating tile data by compiling the generated partial image data and the generated audio source differentiated data for each drawing region on a screen, based on the generated positional relationship information;   generating one piece of screen data by composing the generated tile data;   displaying the generated screen data on a display device; and   generating audio data for one screen by composing the audio source differentiated data in the generated tile data.   
     
     
         5 . The method according to  claim 4 , further comprising:
 specifying coordinates of each audio source on the screen; and   associating the separated audio data with information of the audio source coordinates.   
     
     
         6 . The method according to  claim 4 , wherein the tile data includes a proportion of the audio source differentiated audio data relative to an overall sound volume as sound volume information. 
     
     
         7 . A computer program, stored on a storage medium, for causing a computer to execute:
 performing screen management of output video, and generating positional relationship information for each input video data;   generating partial image data by dividing each input video data;   inputting audio data;   generating audio source differentiated data by separating the audio data input for each audio source included in the audio data;   generating tile data by compiling the generated partial image data and the generated audio source differentiated data for each drawing region on a screen, based on the generated positional relationship information;   generating one piece of screen data by composing the generated tile data;   displaying the generated screen data on a display device; and   generating audio data for one screen by composing the audio source differentiated data in the generated tile data.   
     
     
         8 . The computer program according to  claim 7 , further comprising:
 specifying coordinates of each audio source on the screen; and   associating the separated audio data with information of the audio source coordinates.   
     
     
         9 . The computer program according to  claim 7 , wherein the tile data includes a proportion of the audio source differentiated audio data relative to an overall sound volume as sound volume information. 
     
     
         10 . A computer-readable storage medium storing the computer program as claimed in  claim 7 . 
     
     
         11 . The computer-readable storage medium according to  claim 10 , wherein the computer program further comprises:
 specifying coordinates of each audio source on the screen; and associating the separated audio data with information of the audio source coordinates.   
     
     
         12 . The computer-readable storage medium storing the computer program as claimed in  claim 10  wherein the tile data includes a proportion of the audio source differentiated audio data relative to an overall sound volume as sound volume information.