EngineerZone Forum
Q&A from Analog Devices EngineerZone: SigmaDSP/SigmaStudio and DSP discussions (7 topics).
7 topics · 36 messages
Filtered by: #pdm+mic ✕
-
PDM microphone(s) configuration issue
Hello, I'm trying to configure two PDM mics with FiHiberry DSP DAC board (ADAU1452 SigmaDSP + PCM5102A DAC) These are SPM1423HM4H-B, and the SELECT pin is grounded in the boards I have, so I try to us
-
Another 1787 PDM question please
I'm trying to implement a very simple setup: PDM mic inputs on the ADAU1787 eval board to an analogue output, see this project:1787 PDM TEST.dspproj Problem is it isn't working. I've read the previous
-
Not able to hear output sound using NR example for ADAU1467
Hi everyone I want to use ANC feature using ADAU167 I have bought PDM mic for input. So at first I was testing with single mic and pair of headphones Here is my setup PDM mic connections CLK -> BCLK_I
-
PDM microphone clock frequency settings and left, right channels data
Hi Team, Two more questions on this subject. 1) PDM microphones that are connecting to the J2 LRCLK_IN2 and J2 BCLK_IN2 pins on the EVAL-ADAU1452 board. The PDM microphones have 2.4 MHz typical freque
-
One LEFT digital PDM microphone input but signal goes to both LEFT and RIGHT outputs
Hi Team, Please help. I am connecting only one digital PDM microphone to the LRCLK_IN2 and BCLK_IN2 on PDM channel 0 (with LR selection signal raised for LEFT side in my digital microphone) but the ou
-
EVAL-Adau1787Z design error?
I was trying to use connectors J6 or J7 to connect to the digital microphone inputs on the ADAU1787 eval board. After having no success, I eventually connected the microphone to J5 which worked for me
-
Getting digital microphones to work on EVAL-ADAU1777Z ?
I am trying to get a digital microphone input to work on EVAL-ADAU1777Z. I have successfully brought up examples using 4 analog input channels through the ADCs. I have some digital PDM mems microphone