Posted on October 13, 2016 at 04:50My SW read audio with PCM format from STA321MPL. The same time it read PDM format from Digital Microphone. Both are set with 16 Khz sample rate. It always has5 samples delay in audio signal from STA321MPL compare t...

Posted on April 02, 2016 at 04:16What is the good way to store video capture from camera to microSD?I am using the lib ''sd_diskio.c''  to storage frame size 480x272x2 bytes but the quality is terrible, only 1 frame/second. It seems it took too much...

Posted on March 24, 2016 at 14:01I bought STA321MPL 2 times: 1st times with the label on chip:  ''9912D VJ MYS 11 237 ''                                                2nd times with the label on chip:  ''990R4 VJ MYS 99 532''Unfortunately, all STA3...

Posted on March 02, 2016 at 04:26ST just introduces the library for beam-forming and sound source-localization.However, they are applied for STM32 Nucleo board only (with node-locked library). I am using STM32F746 MCU, is there any way to use these ...

Posted on February 22, 2016 at 10:24I copied the CS43L22's schematic design from STM32F4-DISCOVERY. There is only 1 point different in my circuit (a mistake during design) that is VP, VL is 3.3V instead of 3V like STM32F4-DISCOVERY. As per the datas...