US Patent 12014110 Audio device and associated control method

The present invention provides a control method of an audio device, wherein the audio device includes the steps of: wirelessly receiving an audio signal from an audio communication device; processing the audio signal to generate a processed audio signal for playing; receiving a command signal, wherein the control signal indicates the audio device to execute an operation, and the control signal is not part of the audio signal; obtaining time information; and executes the operation at a specific time point based on the time information.