Information processing device and method, and program

Abstract

The present technology relates to an information processing device and method, and a program capable of reducing a code amount. The information processing device includes: an acquisition unit that acquires space information regarding a position and a size of a child space within a parent space and position information in the child space indicating a position of an object within the child space, the child space being included in the parent space, and the object being included in the child space; and a calculation unit that calculates position information in the parent space indicating a position of the object within the parent space on the basis of the space information and the position information in the child space. The present technology can be applied to a signal processing device.

1 . An information processing device comprising:
 an acquisition unit that acquires space information regarding a position and a size of a child space within a parent space and position information in the child space indicating a position of an object within the child space, the child space being included in the parent space, and the object being included in the child space; and   a calculation unit that calculates position information in the parent space indicating a position of the object within the parent space on a basis of the space information and the position information in the child space.   
     
     
         2 . The information processing device according to  claim 1 , wherein
 the parent space is represented by absolute coordinates.   
     
     
         3 . The information processing device according to  claim 1 , wherein
 the space information is a conversion coefficient for coordinate conversion.   
     
     
         4 . The information processing device according to  claim 3 , wherein
 the conversion coefficient is a parameter of a linear function.   
     
     
         5 . The information processing device according to claim  1 , wherein
 the space information is information indicating a position of a vertex that becomes a reference of the child space within the parent space and information indicating a position of a diagonal vertex of the child space with respect to the vertex within the parent space.   
     
     
         6 . The information processing device according to  claim 1 , wherein
 the child space is represented by absolute coordinates.   
     
     
         7 . The information processing device according to  claim 1 , wherein
 a plurality of the child spaces is included in the parent space.   
     
     
         8 . The information processing device according to  claim 7 , wherein
 each of the objects included in each of the plurality of the child spaces has attributes different from each other.   
     
     
         9 . The information processing device according to  claim 7 , wherein
 the plurality of the child spaces overlaps each other.   
     
     
         10 . The information processing device according to  claim 7 , wherein
 the plurality of the child spaces has reverberation characteristics different from each other.   
     
     
         11 . The information processing device according to  claim 1 , wherein
 the child space includes a plurality of the objects.   
     
     
         12 . The information processing device according to  claim 1 , wherein
 one the object is included in a plurality of the child spaces.   
     
     
         13 . The information processing device according to  claim 1 , wherein
 the acquisition unit further acquires additional position information for obtaining the position information in the child space with higher accuracy than the acquired position information in the child space, and   the calculation unit calculates position information in the parent space on a basis of the position information in the child space with the higher accuracy and the space information, the position information in the child space with the higher accuracy being obtained on a basis of the acquired position information in the child space and the additional position information.   
     
     
         14 . The information processing device according to  claim 1 , wherein
 the object is an audio object.   
     
     
         15 . An information processing method executed by an information processing device, comprising:
 acquiring space information regarding a position and a size of a child space within a parent space and position information in the child space indicating a position of an object within the child space, the child space being included in the parent space, and the object being included in the child space; and   calculating position information in the parent space indicating a position of the object within the parent space on a basis of the space information and the position information in the child space.   
     
     
         16 . A program for causing a computer to execute processing comprising steps of:
 acquiring space information regarding a position and a size of a child space within a parent space and position information in the child space indicating a position of an object within the child space, the child space being included in the parent space, and the object being included in the child space; and   calculating position information in the parent space indicating a position of the object within the parent space on a basis of the space information and the position information in the child space.