Audio Communication System, An Audio Transmitter and An Audio Receiver
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United States of America Patent
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Issued Date -
Oct 10, 2013
app pub date -
Jun 18, 2012
filing date -
Apr 10, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An audio communication system, an audio transmitter and an audio receiver are described herein. In one aspect, the audio transmitter includes: An analog to digital converter configured to convert an analog audio signal into a digital audio signal; a digital compressor configured to compress the dynamic range of said digital audio signal; a digital modulator configured to modulate the compressed digital audio signal into a wireless communication signal; and the analog to digital converter, the digital compressor and the digital modulator are integrated in one integrated circuit. The described devices improve the compression and expansion device linearity, resulting in better match for the compressor at the transmitter and the expandor at the receiver.
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