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4pAAa12 – Hearing voices in the high frequencies: What ...
https://acoustics.org/hearing-voices-in-the-high-frequencies-what-your-cell-phone-isnt-telling-you-brian-b-monson/#:~:text=Specifically%2C%20cell%20phones%20don%E2%80%99t%20transmit%20very%20low-frequency%20sounds,form%20of%20vocal%20overtones%20and%20noise%20from%20consonants.
Cell Phone Frequencies / Wireless Communications …
https://service.shure.com/s/article/cell-phone-frequencies-wireless-communications-devices?language=en_US
The actual frequencies used by smartphones varies by country and by carrier. In the United States, there are the four major frequency bands in use: 698-806 MHz (700 MHz Band) 806-849/851-896 MHz (800 MHz Band) 1850-1910/1930-1990 MHz (PCS Band) 1710–1755/2110–2155 MHz (AWS Band) Multiple carriers are licensed in each frequency range.
Audio frequency analysis in mobile phones
https://iopscience.iop.org/article/10.1088/0031-9120/51/1/015003/pdf
audio plug of the first phone through a 15 kΩ resistor as explained earlier. In the second phone a 400 Hz tone must be heard. Then, a frequency sweep is made -keeping the 100 mV amplitude in all the frequencies—from 50 Hz up to a frequency which the listener in the second pone barely hears. The first tone heard and the last one define the phones bandwidth. These mobile …
sound - Maximum frequency of any mobile phone speaker ...
https://dsp.stackexchange.com/questions/1897/maximum-frequency-of-any-mobile-phone-speaker
The native sampling frequency of iOS devices is 44100 Hz, while Android devices can operate at either 8, 16, 24, 44.1 or 48 kHz. Support of all of these depends on Android device manufacturer, however most Android support all of them. Show activity on this post.
Best smartphones for audio - SoundGuys
https://soundguys.com/best-smartphones-for-audio-16373/
Cell phone speaker frequency range? - Sound, Stage, and ...
https://www.harmonycentral.com/forums/topic/100243-cell-phone-speaker-frequency-range/
I would say 500hz to 5000hz. To elaborate, I recently did a project that involved recording voice messages from a cell phone speaker into my DAW. When looking at the Spectrum Analyzer, I found that there were virtually no frequencies below 500 or above 5000.
audio - Over what frequency range can the microphone of ...
https://electronics.stackexchange.com/questions/59157/over-what-frequency-range-can-the-microphone-of-smartphone-receive-the-sound
It depends entirely on the phone, they will all use different microphones/circuits. Generally, an audio mic will be within a range of 20Hz - 20kHz. Many cheaper mics ( or intended for voice only) will have a lower cutoff frequency of 15kHz or less.
audio - Maximum frequency of any mobile phone speaker ...
https://stackoverflow.com/questions/44226269/maximum-frequency-of-any-mobile-phone-speaker
Try this on your phone, say around 75Hz, 200Hz and 1800Hz I think speakerphone conversations sound tinny because the lower frequencies are lost and people crank up the volume to make up for it, and only the higher frequencies are audible at a distance.
The Audio Frequency Spectrum Explained - Headphonesty
https://www.headphonesty.com/2020/02/audio-frequency-spectrum-explained/
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