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I tried changing the audio sample rate from 16K (which is working) to 22k and 44k - both without success. I just changed the #define AUDIO_SAMPLING_FREQUENCY but the generated WAV-Files which are saved on µSD-Card are not working properly and the len...
A company in China has designed a new amplifier for one of my biggest clients.However, when they sent us samples it is powered by the STA326 chip.As part of my due diligence I realise this chip is marked "obsolete'.When I asked the manufacturer about...
Please let me know BD911 ROHS2 plan.Or send me ROHS 2 company statement.
I have 20 radio , 19 radio is fine but one of the radio TDA7391PD (audio pa) pin 16,17,18 , 19 burned
Hello, I have found an implementation of the Goertzel algorithm that contains code that I don't understand. And more specifically the pre-calculation of coefficients. :pensive_face: At the top of the code there is :#define DTMF_697Hz 27980 #define DT...
Hello everyone,we currently devolping an Class D amplifier with the sta309a as DSP and TAS5624A from TI for amplification.We face a issue with random levels of noise appearing after power up sequence.This may be an issue of wrong configuration during...
When I am changing the number of channels to 1 channel.it is recognized by the windows driver, but the"advanced" TAB is disappear (unlike 2 channels configuration). Did someone faced with this kind problem? Do I missedsomething? of course, audacity d...