System and method for measuring an audio path delay for an amplifier based on a control signal

A method for measuring a delay in an audio system, the method comprising:

• receiving, at an amplifier, a control signal and an audio input signal;
• processing, at the amplifier, the control signal;
• transmitting the processed control signal on a control bus;
• executing the processed control signal at a processor of the amplifier to perform an operation on the audio input signal;
• and
• determining a total time delay for performing the operation on the audio input signal at the amplifier, wherein the total time delay corresponds to (i) a first time delay associated with at least processing the control signal;
• (ii) a second time delay associated with at least transmitting the processed control signal;
• and (iii) a third time delay associated with at least executing the processed control signal at the processor.

A computer-program product embodied in a non-transitory computer readable medium stored in memory that is programmed and executable by at least one controller in an audio system, the computer-program product comprising instructions to:

• receive, at an amplifier, a control signal and an audio input signal;
• process, at the amplifier, the control signal;
• transmit the processed control signal on a control bus;
• execute the processed control signal at a processor of the amplifier to perform an operation on the audio input signal;
• and
• determine a total time delay for performing the operation on the audio input signal at the amplifier, wherein the total time delay corresponds to (i) a first time delay associated with at least processing the control signal;
• (ii) a second time delay associated with at least transmitting the processed control signal;
• and (iii) a third time delay associated with at least executing the processed control signal at the processor.