Description

This Application Note details how to handle the main audio features supported by an audio enabled MC7304 module. Two main capabilities are discussed.



Supported external audio interfaces: PCM, I2S and USB.

Audio recording and playback capabilities.



A detailed step by step configuration guide is also included for setting up and using the described capabilities. All the explanations in this document are based on Sierra Wireless’ MC7304 module and a specific firmware version (see chapter 5 for further details), these explanations will also be applicable for newer firmware versions.

Requirements

This document only applies to MC7304 modules running audio/voice firmware version 06.03.28.00 and newer