Modifying USB Gadget Based on Linux 4.1.15 Source Code to Support Both Microphone and Speaker

Modifying USB Gadget Based on Linux 4.1.15 Source Code to Support Both Microphone and Speaker

Learning USB for continuous improvement.To understand the USB device drivers under Linux, I started with USB Gadget. After extensive experimentation, I found that UAC1 does not support microphone creation. Therefore, I had to shift from configuring the KS file system to analyzing the source code. By analyzing the UAC1 source code (f_uac1.c), I realized that … Read more

Categories, Characteristics, and Design Selection of Microphone Sensors

Categories, Characteristics, and Design Selection of Microphone Sensors

ArticleOverview In this article, DigiKey provides a comprehensive introduction to the core characteristics and application scenarios. The system elaborates on three major categories of microphone sensors, analyzes the characteristics and applicable scenarios of each category, and presents five core points for design selection. Additionally, the article offers specific methods for optimizing audio quality, including noise … Read more