[iPhone God App] It was found using the Tone Generator Pro actually

Tone Generator Pro automagically creates perfect Sine Waves, Square Waves, Triangle Waves, Sawtooth Waves, Reverse Sawtooth Waves, White Noise and Pink Noise!

It's true, you can utilize these amazing tools for many day to day activities, such as:
Testing Speakers
Balance your Home Theater speaker levels
Sound Masking
Relaxation and Meditation
Generate all the most common waveforms from 20Hz to 20kHz

But let's face it, what you really want to do is annoy everyone around you!

No matter what your Tone or Noise generation needs, Tone Generator Pro is the perfect utility for your iOS device!

Features:
★ NEW! Support for the new iPad Retina Display
✓ Amazing graphics optimized for the iPad, iPhone and Retina display!
✓ Fast and Fun interface.
✓ Sine, Square, Triangle, Sawtooth and Reverse Sawtooth waveforms.
✓ 20 to 20,000 Hertz (20k)
✓ White and Pink noise
✓ Frequency Presets or Dial in the exact frequency you need.
✓ Frequency Sweep: Use our magic knob to scroll through every frequency, really.
✓ Background Audio

You can use a cable to interface Tone Generator Pro with your sound equipment! There are many cable options, please visit our website for some great cables for Tone Generator Pro!
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Tone Generator Pro is also included in our flagship combo app Audio Tool, download Audio Tool and get all our apps at no additional charge as they are released!