Speaker Meter vs Spektroskop Usage & Stats

This App is the easiest way to measure frequency response of your loudspeakers. It seriously evolved since first concept to concentrate on basics: provide in 3 clicks and 1 minute a complete overview of the frequency response of your HiFi system. It does NOT work with AirPlay / Bluetooth speakers. How it works: 1/ point towards the speaker you want to monitor first 2/ select left or right speaker icon to send a white noise signal to your HiFi system (provided you connected your iDevice to it through a wired connection *) Within few seconds, the recording will stop automatically and results will be stored internally 3/ repeat steps 1 & 2 for the other speaker 4/ select your prefered option to export results (*) take care that AirPlay does not support "Play and Record" types of applications. But if you cannot use a wired connection, any white noise source will work This App was seriously designed for my own needs: I am a signal processing expert. If your need is an audio generator, try this App: "Diapason Audio Generator". If your need is a full-featured soundmeter, try this one: "SPLnFFT Noise Meter". Any comment, any feedback ? There is a blog for this.

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Spektroskop

Add precision to your pocket! Spektroskop is an easy-to-use yet powerful real-time spectrum analyzer, which takes accuracy seriously. Analyze, measure, compare and save sound spectra captured with the internal microphone or any other audio source connected to your iOS device. The built-in microphone calibration for iPhone and iPad even allows to measure absolute sound pressure levels (SPL) with high precision. Spektroskop is the perfect tool for sound engineers, acousticians and everybody else with eyes and ears. FEATURES + real-time, high accuracy FFT analysis from 20 Hz to 20 kHz + built-in microphone calibration for all iPhone and iPad models + built-in calibration and frequency equalization for the MicW i436 microphone + built-in calibration and frequency equalization for the Microtech Gefell M372 microphone + free field and diffuse field equalization for all internal iPhone microphones and MicW i436 + frequency weighting dB(A) and dB(C) + time weighting Fast, Slow and Average + optional octave and third-octave band display + hold and compare function for up to four spectra + adjustable decay rate and averaging function + CSV data export to iCloud Drive, Dropbox, Numbers, etc. + universal App for iPhone and iPad (limited support for iPod Touch) Visit http://SpektroskopApp.com for more detail!