M5Stack Audio Expansion Module: Driver Implementation and XiaoZhi Porting

M5Stack Audio Expansion Module: Driver Implementation and XiaoZhi Porting

This article provides a detailed introduction to the M5Stack Audio Expansion Module, covering product features, specifications, operation instructions, register descriptions, and the implementation of drivers in the XiaoZhi project based on M5Stack core. 1、Product Introduction (1) Product Features Module Audio is the audio expansion module for M5Stack, based on the ES8388 audio codec solution, equipped … Read more

Detailed Introduction to LE Audio Profile for Low Energy Bluetooth

Detailed Introduction to LE Audio Profile for Low Energy Bluetooth

1. Introduction to LE Audio 1.1. LE Audio Transmission Protocol At the end of 2019, the Bluetooth Special Interest Group (SIG) released the core protocol for Bluetooth 5.2, which introduced an important feature—LE Audio (Low Energy Bluetooth Audio). Bluetooth application protocols encompass everything from the application layer to the physical layer, and LE Audio is … Read more

Accelerating the Explosion of TWS Headphone Market! Detailed Explanation of Bluetooth BLE Audio Standard

Accelerating the Explosion of TWS Headphone Market! Detailed Explanation of Bluetooth BLE Audio Standard

On November 22 last year, Chip Intelligence published an article titled “The Future of TWS Headphones: Bluetooth BLE Audio is Coming, Will Mobile Giants Dominate?” which first exposed the upcoming release of the new Bluetooth BLE Audio standard by the Bluetooth Special Interest Group (Bluetooth SIG), while also introducing how this standard will drive the … Read more

How BLE Bluetooth Chip, Audio CODEC, and PMU Achieve $0.5

How BLE Bluetooth Chip, Audio CODEC, and PMU Achieve $0.5

In the past two years of trade frictions, there have been at least twenty rounds of back-and-forth between China and the United States. By May of this year, BIS (the U.S. Department of Commerce’s Bureau of Industry and Security) included Huawei and its 68 affiliates on the Entity List, continuing the ongoing dispute. China plans … Read more