METHOD FOR UTILIZING MULTI-TONE IDENTIFICATION AND AUDIO APPARATUS UTILIZING THE SAME
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United States of America Patent
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Issued Date -
Jan 1, 2015
app pub date -
Jul 1, 2013
filing date -
Jul 1, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method for utilizing multi-tone identification and an audio apparatus utilizing the same are provided. The audio apparatus includes a microphone, a tone generator, a modulator and an amplifier. The microphone is configured to generate an audio signal. The tone generator is configured to generate a set of tones which represents a level of service, wherein the level of service indicates a service provided to the audio signal. The modulator, coupled to the microphone and the tone generator, is configured to modulate the audio signal with the set of tone to generate a modulated signal. The amplifier, coupled to the modulator, is configured to amplifying the modulated signal.
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