H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 1/20 (2006.01) H04L 1/00 (2006.01) H04Q 7/22 (2006.01)
Patent
CA 2299023
A signal processor for effecting the conversion of an audio data signal from one format to another. The signal processor has a signal converter that can selectively acquire two operative modes, namely a first operative mode and a second operative mode. In the first operative mode, the signal converter transforms the audio data signal from one format to another and releases the converted audio data signal from the output of the signal processor. In the second operative mode, the signal converter is disabled and permits passage of the audio data signal to the output without conversion. The signal processor has a control unit for controlling the transition of the signal converter between operative modes. The control unit enables the signal converter to pass from the first operative mode to the second operative mode when at least one operative condition has been satisfied. The control unit reacts to a link impairment occurring on the data communication channel to alter the operative condition to be satisfied to enable passage from the first operative mode to the second operative mode. In a specific example of implementation, the modification to the operative condition can be such as to "tighten" the requirements to be met for switching from the first to the second operative mode.
Chu Chung Cheung
Rabipour Rafi
Sloan David G.
Nortel Networks Corporation
Nortel Networks Limited
Smart & Biggar
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