All Questions
Tagged with audio-codec microphone
5
questions
0
votes
0
answers
59
views
Why does ESP32-LyraT-Mini V1.2 use an external ADC for the microphone when ADC is already available in Audio Codec?
Kindly refer to ES8311 audio codec datasheet and ESP32-LyraT-Mini V1.2 Schematic.. In the Lyrat mini board, an external ADC ES7243 is used to sample the audio signal from the microphone but an equally ...
0
votes
0
answers
72
views
Why does the ES8374 have 5 pins to receive input from a microphone?
I am using a ES8374 codec for an audio application. I am not able to make out how to connect my analog condenser mic (which has two pins) to the ES8374 mic pins. (Refer to pictures from the datasheet)
...
0
votes
0
answers
259
views
Can I connect multiple different devices via a single I2S interface?
I am using a microcontroller with only one I2S interface. I am using MAX98357A which has 1 sound chip. There is 1 microphone, SPH0645. Can I connect these ICs to the same line provided that I cannot ...
- 51
0
votes
1
answer
408
views
Connection of microphones to Stereo Audio Codec
I want to interface two electret microphones with a stereo audio codec. One mic will capture audio from one side of a box and the other one from the opposite side. I want to use TLV320AIC3254 from ...
0
votes
1
answer
2k
views
MICBias Ground in audio codec
MICBias is the voltage required for microphone to power and record signal at full levels.
What will happen if we ground MICBias, is it means we are disabling microphone.
- 163