All Questions
Tagged with audio-codec adc
5
questions
0
votes
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answers
59
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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
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0
answers
72
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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)
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2
votes
1
answer
90
views
Grounded ADC pins on the CS4272-CZZR producing horrible noise?
I am currently busy with an audio processing project that requires 4 output channels. I have a Nucleo F303RE running some digital filtering on audio data, which is being read by one of the two CS4272s ...
0
votes
2
answers
250
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Loopback Latency of an Audio CODEC?
I'm thinking way ahead about a possible future project which will contain, among many other things, a "DIY hearing aid" of sorts. Microphones feeding earbuds with some DSP in between, all ...
1
vote
1
answer
229
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Please help me identify this noise on my ADC
I have a CS4270 codec hooked up to a Raspberry Pi more or less according to the "recommended layout" in the datasheet (P7), shown below. This device sinks power from three different places (VA = power ...