Author Archives: Sascha

MC Sensors preferences

MC Sensors allows you to setup many settings of the sensors and which data and how it is displayed.

You can choose between the internal accelerometer, gyroscope, magnetometer and device rotation sensor data. Each sensor provides data of three axes, which you can activate/deactivate separately. By default everything is activated. Some sensors also give you the possibility to chose between angles in radians or degrees.

You may also choose between three languages: English, German and Russian.

All instruments can be activated/deactivated separately. If you don’t need FFT for example, turn it off in the settings.

The FFT menu gives you the possibility to change the frequency and level range. The Block size determines the analysis’ time window. You may apply a windowing function to sharpen peaks. Peaks can be automatically displayed (highest peak is detected and indicated.)

The oscilloscope and XY-view time rage settings affect the visible range of data. Both instruments also have a trigger function that automatically finds onsets, which stabilises the graph for periodical signals. In that case you can greatly improve readability and overall usability of the oscilloscope. However, if you are analysing non-periodic data you should turn the triggering off. The trigger level defines the amplitude threshold at which the oscilloscope scans for onsets. Adjust this value if you have problems to get a stable graph (due to noise or other irregularities).

In the level settings you can adjust the response time and the level range. The preferences menu offers three response modes: impulse (35 ms), fast (125 ms) and slow (1 s). Level peaks are indicated by horizontal lines, which inertially adapt to the current level over time (making them easily readable).

MC Oscilloscope 1.2, MC Goniometer 1.2, MC Levels 1.2

All apps support the new Audiobus 2 features like multi-routing and state saving. Besides that, they can now be used via Inter-App Audio as well, which gives you even more opportunities to use them.

The audio input settings changed significantly, making it now possible to select built-in microphones and polar patterns. More information: Audio IO.

Version 1.2 is available for iOS 7+ only!

Goniometer preferences

The goniometer settings can be found in the preferences menu. Here you can adjust the appearance and functioning of all goniometers at once. All settings are saved and reloaded next time you open the app.

Time rage and amplitude range affect the visible range of data. For an uncalibrated device an amplitude of ±1 is the full scale maximum. However if you calibrated your device to a defined level of your hardware environment you might observe values above that range if clipping occurs (in that case you should decrease the gain/level of your hardware and calibrate again).

Goniometer_Menu_Goniometer

You can also enable the coordinate system and the trigger function that automatically finds onsets, which stabilises the graph for periodical signals. In that case you can greatly improve readability and overall usability of the goniometer. However, if you are analysing speech recordings or music you should turn the triggering off.

MC Levels released!

Levels-Icon-300MC Levels has been released today! It is a powerful digital multichannel level meter for your iPad or iPhone.

In combination with an external multichannel USB audio interface it is capable of displaying up to 8 channels (per source) simultaneously and is fully compatible with Audiobus!

 

MC Oscilloscope released!

MC Oscilloscope has been released today! It is a powerful digital multichannel oscilloscope for your iPad or iPhone.

In combination with an external multichannel USB audio interface it is capable of displaying up to 8 channels (per source) simultaneously. It also includes a multichannel full scale level meter and is fully compatible with Audiobus!