Dear friends
Would you please help me in my project/ or whether its possible in arduino, i want to input audio signal through mic and do processing on it and send it mobile through Bluetooth model, just like a bluetooth head set but i need to built it from scratch.
Regards,
but i need to built it from scratch.
Sorry but that would be illegal in most countries.
and do processing on it
What sort of processing, there is not a lot you can do. Even changing the volume requires a lot of processing power.
i want to input audio signal through mic
You need to amplify the signal from the mic to be 5V peak to peak. And with a normal Uno you only get 10 bits resolution at 10K samples a second, you are in telephone quality country.
send it mobile through Bluetooth model
You need a module that is capable of audio, that rules out all the cheap ones.
Take a look at the teensy Teensy 3.6 - DEV-14057 - SparkFun Electronics they are a lot more capable.
Thank you very much Grumpy_Mike
i wan to do noise cancellation hardware, i need to convert audio signal to digital form and do the processing in filter form from two mics input then i need the Bluetooth module to encapsulate the voice data into Bluetooth frame and send it to mobile over GSM channel to keep the synchronization.
Regards
, i need to convert audio signal to digital form and do the processing in filter form from two mics input
Two microphones halves the sample rate you can get. You are not going to do that on a Uno. You need a zero or a Teensy and even it is a big ask.
Thank You Grumpy_Mike
i plane to use RN-54 bluetooth with Teensy 3.6
regards