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What’s That Noise? And How to Fix It! - Shure
https://www.shure.com/en-US/performance-production/louder/whats-that-noise-and-how-to-fix-it#:~:text=Interference%20to%20audio%20equipment%20from%20cellphone%20devices%20and,carriers%20used%20a%20radio%20protocol%20known%20as%20GSM-TDMA.
Freesound - "gsm_interference.wav" by OneHand
https://freesound.org/people/OneHand/sounds/161347/
gsm_interference.wav - mp3 version gsm_interference.wav - ogg version gsm_interference.wav - waveform gsm_interference.wav - spectrogram 5705.12 OneHand July 16th, 2012
noise - Why does GSM cause speakers to buzz? - Electrical ...
https://electronics.stackexchange.com/questions/32830/why-does-gsm-cause-speakers-to-buzz
The buzzing is AM detected signal. The reason of audio amplifiers being hit by GSM signal is that contemporary audio semiconductor parts are actually very functional up to high GHz range. For GSM-800-900MHz range any 80mm copper trace works like 1/4 wave antenna, or …
Arduino GSM shield and speaker interference (SOLVED ...
https://forum.arduino.cc/t/arduino-gsm-shield-and-speaker-interference-solved/384962
You need to put the entire audio amplifier inside a shielded box, and decouple all the wires going into the box . GSM uses TDMA so when transmitting its basically a hi power AM transmitter right next to a low level audio amplifier. Other solution is to not use GSM and use 3G which doesnt have the interferance problem.
Audio amplifiers and GSM interference. | Electronics Forums
https://www.electronicspoint.com/forums/threads/audio-amplifiers-and-gsm-interference.32083/
David Chapman Guest. Hi, Low-cost commercially available audio pre-amplifiers are usually very. vulnerable to interference from adjacent cellular phones switching, in. the UK, at around 217Hz. When designing an audio amplifier with high immunity to such.
How to Remove Cell Phone Interference from Audio …
https://www.izotope.com/en/learn/how-to-remove-cell-phone-interference-from-audio-recordings.html
It is common to find recordings mired by GSM cell phone interference—a “dit dit dit” or buzzing sound from the RF transmission that can creep into analog circuits. The De-Click module in iZotope’s RX audio noise reduction software has a preset built specifically for mitigating this problem. Sample:
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