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auEQ - iPhone App - Full Automatic Low Frequency Equalizer & Audio Player

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Published on Sep 27, 2013

If you're using an iPhone as music source for your HiFi-System or even in your car then this app provides the next level of sound quality by applying a smart room frequency response equalization technology.

Please visit the project's webpage or go to iTunes and search for auEQ to get detailed technical information:

http://www.hotto.de/mobileapps/iphone...

Your loudspeaker and amplifier combination may have a perfect frequency response within limits of +/- 1 dB over the whole frequency range but the listening room is the most critical component in the HiFi audio chain, causing amplitude peaks and dips of more than +/- 10 dB. Therefore, it is absolutely crucial to optimize the room by applying traditional acoustic measures and of course auEQ.

auEQ analyzes the low frequency magnitude response of the loudspeaker-room system and calculates the values of a full parametric set of equalizer-bands to tame only the room resonances (peaks) during playback.

In contrast to standard equalization technologies, auEQ does not have an audible impact on the music reproduction because it is limited to room modes/resonances. The use of special filter algorithms to tame the minimum-phase response of the room modes and a 64 bit audio engine ensures a nearly perfect audio reproduction.

The following function blocks are part of the App:
1.) Low Frequency (20 Hz - 320 Hz) Room Response Analyzer
2.) Full parametric gesture controlled Equalizer
3.) Customized Audio Player

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