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Yep, i was conscient if this problem i will have with full duplex mode, i have done some ajustment for talkie-walkie and intercom to have a good sound without toi much acoustical feedback as you said... With the phone not a problem to have a few 😁.
Thx again for the info about the amplifier i...
For the pics, schémas and others, i will do that tonight probable.
Indeed for the project, it's a digital wifi phone with some other control like voice modifier from the pc.
What I use exactly is:
https://raspiaudio.com/produit/muse-proto for my esp32, with i2s built in ADC and max9814...
Hey, indeed, it's not a Real old phone that's why i five a link ok what type of phone or it is.
I've try to determine what kind of noise it is 😅, and when the speaker is not connected to th RJ9, i have just a few hum noise. But when the speaker is connected to the rj9, i have a big snow noise...
Hey :D
thanks for your answers :D i understand what you says, and sure, when i can i allways use shielded cable for my microphones... but for this prohect, it's not possible, cause the microphone and the speaker are in an "old" headset, with a RJ9 cable i can't change.
The phone as it's sold...
Hello,
Sorry for if the question if I'm not clear, i'm not nor développer, nor electronician , but i've done a small project with esp32 to do a full duplex audio stream, well done 😅, but now I have a problem to connect the microphone i want to use without have too noise.
I want to use a old...
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