Oscillator 4+

Simple Oscillator

Masayuki Akamatsu

Designed for iPad

    • 3.5 • 35 Ratings
    • £0.99

Description

Oscillator is a simple and rough audio generator application which has the following functions. You can use it as a test tone and play it as a strange musical instrument.

- Four waveforms. (i.e. sine wave, square wave, saw wave and white noise.)
- Exponential Frequency control using the slider.
- Frequency numeric input using the software keyboard.
- Equal distance panning control using the slider.
- dB style amplitude control using the slider.
- Sound output on/off button.
- All sliders and buttons are multi-touch controlled.

Please note the limitations below before you purchase/use this application.

- The frequency control is not effective with the white noise oscillator.
- The panning control is not effective with an iPhone internal speaker because it is monophonic. Use headphones or stereo speakers.
- The audio output might be interrupted on a keyboard input, a view change and so on.
- The accuracy of the audio output is not very high but it is reasonable.

What’s New

Version 2.0.1

Updated for the latest OS.

Ratings and Reviews

3.5 out of 5
35 Ratings

35 Ratings

Tonys1212 ,

Love It. Please update it soon.

This is great. It does what it says on the label. The only issues I have are
1. it turns off whenever my iPhone goes to sleep. Please can you fix this? Maybe have an option to disable sleep whilst in use?
2. the oscillator only goes from 100Hz to 3kHz. It would be great if it could go lower and higher. 20Hz to 16kHz maybe.
The first is a huge issue as I leave it on and walk away.
Very nice app. Recommend it to anyone who uses powered speakers or DSP-laden amps like the LA8 from L-Acoustics

laaando ,

Simple but perfect.

There's not much to this app but that's what I like about it. It's very slightly glitchy occasionally, just if you move sliders too fast or maybe when using multi touch on a couple of sliders at once, but who cares? Lots of the best music is rough and glitchy. Sounds great with a bassy EQ, rough overdrive (on the sine wave, mmmm), delay and reverb. Thereminesque when moving the frequency slider.

If I'd made this, one minor (and hardly necessary) improvement I would make would be to add an option to snap the frequencies to those of the notes of the piano (and octaves lower), so you'd get a similar effect when moving the frequency slider but then when letting go it go, the slider would move to the nearest value, eg. from 445 to 440. The button to toggle this on and off could fit if the play key was made smaller, not adding any clutter!

Anyway, buy this, even if its just to be a bad person and sit in class/at work/in a cafe driving people mad with irritating, barely hearable, high notes!

Anon81 ,

Wicked little app!

Very handy little app that I have used in my music tech lessons. Although like its been said before, 20Hz - 20kHz or something very close would make it a 5+ app at this price!

App Privacy

The developer, Masayuki Akamatsu, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary based on, for example, the features you use or your age. Learn More

Supports

  • Family Sharing

    Up to six family members can use this app with Family Sharing enabled.

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