"See" sound on your iPhone by using Spectrogram. This real-time audio analyzer captures sound from the iPhone's built in mic or external mic and displays the frequency components in a scrolling graph.
- Adjustable sensitivity.
- Discover images hidden in music.
- Logarithmic or Linear frequency axis.
- Analyze frequencies up to 20kHz
- 2048 FFT window size.
- Frequency scale can be toggled on/off.
- Pause capability.
- Save snapshots to your Camera Roll by pressing the sleep/wake & home buttons together.
While this application works great for portable audio analysis, and can even help identify insects & birds, you'll find yourself having fun creating all sorts of noises just to see how they look.
This type of display is also sometimes called a spectral waterfall, sonogram, or spectrograph.
NOTE: When using the iPod touch (2nd generation), you will need to attach a microphone, such as the Apple Earphones with Mic.
