Audio Streaming and Multimedia Communication with Bluetooth Low Energy

The primary objective of this study is to develop a real-time audio transmission and multimedia messaging platform that can operate between mobile devices, utilizing smartphones or devices equipped with Bluetooth Low Energy (BLE) connectivity, all without necessitating internet access. In pursuit of this goal, the study delved into the examination of the BLE application programming interfaces designed for smartphones, with the aim of establishing a well-suited architecture for real-time audio transmission. The study also meticulously scrutinized the challenges encountered during the audio data transmission process and implemented potential solutions to address them. As part of the investigation, the study involved a comparison of various codec alternatives designed to compress audio data, with the Opus codec emerging as the preferred choice. Ultimately, the study successfully achieved real-time audio transmission between mobile devices via BLE and meticulously recorded and analyzed the obtained results.