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8 Tips for Great Mixes on Small Speakers - Waves Audio
https://www.waves.com/tips-for-great-mixes-on-small-speakers#:~:text=The%20response%20of%20many%20cell%20phone%20speakers%20begins,help%20judge%20what%20your%20mixes%20may%20sound%20like.
Audio frequency analysis in mobile phones
https://iopscience.iop.org/article/10.1088/0031-9120/51/1/015003/pdf
Frequency response measurement There are two ways to evaluate the cell phone fre-quency response which correspond with two dif-ficulty levels: 1.Using a first mobile phone, a call is made to a second mobile phone and a voice test is performed. Then, the audio plug connector is attached into the audio port of the first phone.
Maximum Level and Frequency Response - Smartphone …
https://www.anandtech.com/show/7567/smartphone-audio-quality-testing/3
Frequency Response. To measure the frequency response we measure a set of 61 tones from 20 Hz to 20 kHz. All of these are then equalized to 1 kHz so we can see the maximum deviation from that level.
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/
You might already know that the reason is because a cell phone doesn’t transmit all of the sounds that the human voice creates. Specifically, cell phones don’t transmit very low-frequency sounds (below about 300 Hz) or high-frequency sounds (above about 3,400 Hz). The voice can and typically does make sounds at very high frequencies in the “treble” audio range (from about …
measuring the Frequency Response of a cellphone …
https://www.electro-tech-online.com/threads/measuring-the-frequency-response-of-a-cellphone-speaker.102535/
The enclosure for a speaker must be designed for the detailed spec's of the speaker for a good flat low frequency response. You can hear down to 20Hz and feel down to 5Hz but I don't think a little shrieker (not a speaker) from a cell phone can do it. A speaker's frequency response must be measured in an anechoic space like outdoors.
Best smartphones for audio - SoundGuys
https://soundguys.com/best-smartphones-for-audio-16373/
Frequency response Dynamic Range Total Harmonic Distortion Noise floor Speaker volume; Apple iPhone XS Max: No +0.1 / -0 dB: 98.9dBA: 0.0023%-99.5dBA: 76dB: Asus Zenfone 6: Yes +0.05 / -0.17 dB: 83.2dBA: 0.001%-83dBA: 82.2dB: Google Pixel 3: No +0.1/ -0 dB: 99.3dBA: 0.0026%-99.7dBA: 75.5dB: Google Pixel 3a XL: Yes +0 / -0.34 dB: 99.8dBA: 0.0023% …
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.
Achieving Quality Audio Tests for Mobile Phones
https://download.tek.com/document/2690%20Audio%20Test%20Mobile.pdf
Frequency response should be flat (within ±3dB) for the frequencies of interest, usually 200Hz–4kHz. The test microphone will gen-erally require a preamplifier, which should also have a flat frequency response for the frequencies of interest and typically have a gain of around 20dB. Other specifications,
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.
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