Patent ID: 11950860
Assignee: CILAG GMBH INTERNATIONAL
Field: Audio-visual technology (Electrical engineering)
Classification: CPC A  H  G | IPC A  G  H

Claim 0:
1. An audio circuit, comprising:
a processor configured to generate a digital audio signal, wherein the audio signal comprises audio data bits inserted on a rising edge of a clock signal and additional data bits inserted on a falling edge of the clock signal, wherein the audio data bits on the rising edge represent a digital audio tone and the additional data bits inserted on the falling edge represent a unique tone identification of the audio data bits on the rising edge;
a digital-to-analog converter configured to:
receive the digital audio signal;
convert the audio data bits inserted on the rising edge; and
ignore the additional data bits on the falling edge;

an audio mitigation control module configured to:
receive the digital audio signal;
read the additional data bits on the falling edge; and
confirm that the audio data bits inserted on the rising edge represent a correct digital audio tone based on the unique tone identification.