07490044 is referenced by 97 patents and cites 21 patents.

An audio system for processing two channels of audio input to provide more than two output channels. The input may be conventional stereo material or compressed audio signal data. The audio processing includes separating the input signals into frequency bands and processing the frequency bands according to processes which may differ from band to band. The audio processing includes no processing of L−R signals.

Title
Audio signal processing
Application Number
10/863931
Publication Number
7490044 (B2)
Application Date
June 8, 2004
Publication Date
February 10, 2009
Inventor
Abhijit Kulkarni
Newton
MA, US
Agent
Fish & Richardson P C
Assignee
Bose Corporation
MA, US
IPC
G10L 19/00
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