Hi there,

we are having a great time on Musikmesse in Frankfurt and really enjoy our stay at the 5 elements hostel – it’s really nice!

iOS 6 frequency responses of the devices

Here are the frequency responses of the iDevices running iOS6 via line in of the headset input (iPod touch 5 coming soon):

iPhone 3GS

iPhone 4/4S

iPod Touch 4

iPad2, iPad3, iPhone5

iOS 6 and frequency responses of the iDevices

We made some measurements with the Analyzer 2 (beta version). As Apple disabled the built-in (software based) low cut in iOS 6 we are now able to get the responses of the iDevices directly (using the headset input). The results are great news: On iPad2 & iPad3 and iPhone5 the response is virtually flat from 20Hz – 20kHz! On iPhones 3GS, 4 and 4S there is still an attenuation of the lower frequencies which we will compensate for in Analyzer 2.0.

We made the measurements on different devices and shared them through the Analyzer’s new features: iCloud, png export, email and dropbox – that was fun! 🙂

Here are the graphs:



Analyzer 3.2 – now available with full support for iOS 13.x! It comes with Audiobus 3.x support including Audiobus state saving, Inter-App Audio support, a great graphic engine and unbelievable usability and functionality! 

The Analyzer is a combination of a sound pressure level (SPL) meter and a full range multiple bands frequency analyzer. It is mainly designed for audio professionals who need to evaluate different working environments (e.g. studios, live stages)… that’s why it’s perfect for anyone who’s in need of acoustical analysis!! It is easy to use and comes with amazing features only known from professional acoustic tools.

Use the Analyzer for measuring stages, testing speakers, evaluate sound mixing environments, analyzing your instrument… or the noise your neighbor makes with his new stereo!

Combine the Analyzer with external microphones such as the Gefell M372 or the Mic-W i436 for better measurement performance! Or use it with external USB audio hardware like Apogee’s OneDuet and Quartet, the RME Fireface UCX or the Alesis IO dock, change the measurement scale to dB FS and use it as a studio Analyzer! Use the built-in signal generator for measurements – even wireless via Airplay!

The Analyzer supports Audiobus 3.x with Audiobus state saving, Inter-App Audio and offers frequency response compensations for these microphones: Apple Earphones, Apple Earpods, Apple In-Ear Headphones, Microtech Gefell M372, Mic-W i436, i266, i456, i825, i855, iShotgun, Røde iXY, Røde smartLav, Tascam iM2, Tascam iM2X  – all available as In-App purchases.

Features of Analyzer 3.2:

    • Inter-App Audio support
    • Audiobus 3.x support including Audiobus state saving
    • improved compatibility with all iOS devices
    • multiple language support starting with english and german
    • reticle with lens functionality
    • bar or fft line view
    • user definable graph colors
    • optional automatic peak detection
    • optional equal loudness contours
    • data storage
    • export to .csv oder .png files: share them via Mail, Dropbox and other Apps
    • up to 14 different snapshots (depending on the iDevice)
    • advanced iCloud support
    • zoom like in maps
    • data storage, import and export
    • advanced iCloud support
    • up to 14 different snapshots (depending on the iDevice)
    • workspace
    • select your bandwidth from 1octave up to 1/1200 octave (depending on your iDevice)
    • choose between 6 different window functions
    • select your FFT block size from 1024 to 65536 samples
    • In App help without the need of internet connection
    • signal generator (white/pink noise, sine)
    • frequency response compensation for different mic characteristics of the built-in microphones
    • switch between dB (FS) and dB (SPL) level (headset / USB in only)
    • switch between normalized and absolute frequency levels
    • manual and automatic calibration
    • Leq measurement
    • weighting functions: A B C Z
    • 3 different response times
    • audio input / output setup
  • frequency response compensations for Apple Earphones, Apple Earpods, Apple In-Ear Headphones, Microtech Gefell M372, Mic-W i436, i266, i456, i825, i855, iShotgun, Røde iXY, Røde smartLav, Tascam iM2, Tascam iM2X  – all available as In-App purchases


Analyzer 2.0 is in the pipeline!

We are working on a completely new version of the Analyzer (v2.0). It will take advantage of the new possibility to turn off the built-in lowcut (iOS 6 only). We also included real pinch zoom, snapshots, data storage and export, iCloud support, a much better graphic engine and many more exciting features! This major update will be available in a few weeks, hopefully still in october – we’ll keep you informed!

known issue: Spectrograph v1.0 crashes on some devices running iOS 4.3 or earlier

We have been working on this and the bug is fixed. An update has already been submitted to Apple and we are waiting for the review. The update comes along with some minor improvements and will probably be ready for download in the App Store in the beginning of next week.

Analyzer Top Grossing Music App in Belarus!!!

Today something amazing happened! 😉 We are number one in Belarus!

frequency response compensation

All iDevices running iOS 5 have a built-in low cut filter for the built-in microphones and the headphone jack input.

This issue has been solved by Apple since iOS 6.

The reason for the low cut of the pre-iOS 6 devices is – as we believe – that they are designed mainly for recording and processing human speech. This high-pass represents a serious drawback for all kinds of frequency related measurements based on the use of the built-in microphone or the headphone jack. We gave this problem a lot of thoughts and decided to develop a compensation.

Please note: the compensation curves (offered as In-App purchases in the Analyzer and the Spectrograph) compensate for the corresponding device, microphone and (in the case of running iOS 5.x) the heavy low cut filter. In the latter case we are aware that the compensation pushes the noise in the low frequencies, but after much testing done by experienced sound engineers we are very happy with the results! Compensation curves are available for the built-in microphones (on Analyzer included), selected headsets and the i-series mics i436i456 and i266 from MicW. We offer the frequency responses as In-App Purchases. You can get them by visiting the store in the menu.

The compensation for the measurement microphone i436 from Mic-W includes a setting for the individual sensitivity given in the manual of each i436. In Germany, Switzerland and Austria all products from Mic-W are distributed by Synthax GmbH

If you are running our Apps on iOS 6 or later, the compensation curves linearize the frequency response of the corresponding microphones and devices.

Frequency responses of the iDevices running iOS 6 (measurement mode activated):

iPhone 5, iPad 2-4 headset-in frequency response



iPod Touch 4 frequency response

Here are the frequency responses of some external mics available for iDevices attached to the headset input:


The MicW i436 manual provides an individual sensitivity value. We integrated this as a setting in the i436 info page:

i436 help page

some pictures

our crew making measurements…


dB Volume update

Hi everybody, there’s a new update available: we improved the facebook performance and enlarged the facebook button – get it now!