Abstract: Disclosed herein are embodiments of a dual-watch collar-wearable communication device. One embodiment takes the form of a system that includes left-side and right-side audio speakers, a microphone, left-side and right-side push-to-talk (PTT) buttons and a controller programmed to carry out a set of functions. The set of functions include routing audio received via a first channel to the left-side audio speaker, routing audio received via a second channel to the right-side audio speaker, routing audio received via the microphone via the first channel when the left-side PTT button is actuated, and routing audio received via the microphone via the second channel when the right-side PTT button is actuated.

Abstract: An interface (100) is provided between an accessory (102) and a radio (104) to enable three functions over a single signal line (140) thereby minimizing pin count in a connector (112). The functions of accessory detect, one-wire memory and accessory PTT press are controlled over the single signal line (140) through the use of two comparators (116, 118) and two voltage dividers (106, 108, 110).

Abstract: An interface (100) is provided between an accessory (102) and a radio (104) to enable three functions over a single signal line (140) thereby minimizing pin count in a connector (112).

Abstract: A method (500) and system (100) of sensing the position of an audio accessory (102) having at least a microphone (103) can include a sensor (104 and/or 106) for detecting one among a plurality of positions of the audio accessory and a processor (118) programmed to equalize an audio input from the microphone based on which one among the plurality of positions was detected. The sensor can be a thermal sensor, an optical sensor, or a proximity sensor. The audio accessory can be a remote speaker/microphone accessory. Among the plurality of positions that can be detected can include a Mouth Reference Point (MRP) or a Shoulder position. The processor can be further programmed to automatically equalize (508) a microphone input audio based on one of the plurality of positions detected. The system can also be programmed to automatically equalize (512) when a push-to-talk activation occurs at the audio accessory.

Abstract: A method (500) and system (100) of sensing the position of an audio accessory (102) having at least a microphone (103) can include a sensor (104 and/or 106) for detecting one among a plurality of positions of the audio accessory and a processor (118) programmed to equalize an audio input from the microphone based on which one among the plurality of positions was detected. The sensor can be a thermal sensor, an optical sensor, or a proximity sensor. The audio accessory can be a remote speaker/microphone accessory. Among the plurality of positions that can be detected can include a Mouth Reference Point (MRP) or a Shoulder position. The processor can be further programmed to automatically equalize (508) a microphone input audio based on one of the plurality of positions detected. The system can also be programmed to automatically equalize (512) when a push-to-talk activation occurs at the audio accessory.