Abstract: A method and system of evaluating network usage among signals experiencing varying enhancements or impairments collects data of network communications signals, which may describe parameters relating to the quality of the signal, such as noise level or echo level. Data, such as call durations data, is also collected describing the behavior of the callers using those signals. The system then correlates the signal data with the behavior data in order to determine how signal quality affects the duration or frequency of communications between callers. Ring tones, idle times, and other call parameters may be processed in a manner improving accuracy of the analysis. As a result, network usage may be evaluated in an objective manner that may also be directly relevant to network revenue. Data compression may be applied to store and analyze large volumes of call data.

Abstract: A method and system of evaluating network usage among signals experiencing varying enhancements or impairments collects data of network communications signals, which may describe parameters relating to the quality of the signal, such as noise level or echo level. Data is also collected describing the behavior of the callers using those signals, such as call duration. The system then correlates the signal data with the behavior data in order to determine how signal quality affects the duration or frequency of communications. As a result, network usage may be evaluated in an objective manner that may also be directly relevant to network revenue.

Abstract: Methods and apparatus for compensating for the background noise modulation caused by the operation of a non-linear processor on an audio signal include a controller that receives operating status information from the non-linear processor and generates a noise reduction control signal. The methods and apparatus further include a noise reduction circuit that receives the noise reduction control signal from the controller. The noise reduction circuit reduces the background noise in the audio signal when a noise reduction control signal is generated by the controller and injects synthesized background noise into the audio signal when a noise reduction control signal is not generated by the controller.