REAL-TIME AUDIO PROCESSING OF AMBIENT SOUND

摘要

Ambient sound is converted into digital signals. A processor performs active noise cancellation and/or a transformation operation that is distinct from the active noise cancellation on the digital signals. The active noise cancellation and the transformation operation transform the digital signals into modified digital signals. The modified digital signals are converted into modified analog signals. The modified analog signals are outputted as audio waves. An interior microphone is configured to output an output signal to the processor in response to receiving the modified analog signals. In response to receiving the output signal from the interior microphone, the processor is configured to determine whether the modified digital signals produce desired audio waves.

主权项

1. A system, comprising:
an ear piece configured to convert ambient sound into digital signals, wherein the ear piece includes an exterior microphone and an interior microphone; and a processor coupled to the exterior microphone and the interior microphone, wherein the processor is configured to perform active noise cancellation and/or a transformation operation that is distinct from the active noise cancellation on the digital signals, wherein the active noise cancellation and the transformation operation transform the digital signals into modified digital signals, wherein the ear piece is configured to convert the modified digital signals into modified analog signals and output the modified analog signals as audio waves, wherein the interior microphone is configured to output an output signal in response to receiving the modified analog signals, wherein in response to receiving the output signal from the interior microphone, the processor is configured to determine whether the modified digital signals produce desired audio is waves.