Patent ID: 7058189

Claim:
An audio monitoring and signal processing apparatus including in combination: a) a plurality of audio signal inputs, each operable to receive an audio signal, at least one of which receives a first digital audio signal having a first data rate and at least a second of which receives a second digital audio signal having a different data rate than said first data rate, each of which first and second digital audio signals is carried via one or more channels, b) a selector for selecting the audio signal which may be present at one of said inputs of a), c) a signal processing section responsive to process said selected signal of b) to provided a processed signal carried via one or more channels, d) a plurality of output circuits, each responsive to all channels of said processed signal of c) to output said processed signal in a distinct known form, e) a monitor circuit responsive to said selected signal of b) and/or said processed signal of c) to provide audible and/or visible monitoring thereof.