Iphone Audio Output Frequency Response

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iPhone 5S Audio Quality & Measurements - Ken Rockwell

https://kenrockwell.com/apple/iphone-5s-audio-quality.htm#:~:text=The%20iPhone%20still%20has%20flatter%20response%20than%20most,0%20dBFS%20into%20200K%CE%A9%20at%20maximum%20output%20level.

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iPhone 4 Audio and Frequency Response Limitations – Faber ...

https://blog.faberacoustical.com/wpblog/2010/ios/iphone/iphone-4-audio-and-frequency-response-limitations/

C. Frequency Response Range: 150Hz – 18000Hz (This range is perfect for the iPhone 4 since the iPhone 4 has a low pass cut off filter of 150Hz for the internal mic and external mics. The human voice frequency band ranges from approximately 150 Hz to 3400 Hz.

iPhone Microphone Frequency Response Comparison – Faber ...

https://blog.faberacoustical.com/wpblog/2009/ios/iphone/iphone-microphone-frequency-response-comparison/

The sample rate is 48 kHz. To generate a 40 kHz tone with an audio device, you would need a sample rate of 88.2 kHz or 96 kHz (or higher). The iPhone’s audio hardware may be capable of operating at those sample rates, but our apps don’t currently support that. Ben

‎Audio Frequency Analyzer on the App Store

https://apps.apple.com/us/app/audio-frequency-analyzer/id684641742

$8.99 iPhone Screenshots "Audio Frequency Analyzer" is a powerful real-time audio analyzer (RTA) app for iPhone. This app can measure the frequency response in 30 split band scale of 1/3 octave in real time. Also it can be displayed the FFT analysis result.

iPhone 5 Audio Quality Measurements - Ken Rockwell

https://www.kenrockwell.com/apple/iphone-5/audio-quality.htm

Frequency Response . iPhone 5 Frequency Response, 200 kΩ load, 1 V RMS output. As expected, the iPhone 5's response is ruler-flat. Let's expand the scale and look more closely: iPhone 5 Frequency Response, 200 kΩ load, 1 V RMS output, expanded scale. Not bad; down only 0.01 dB at 20 Hz and -0.08 dB at 20 kHz, flatter than most labs can measure.

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