SPLnFFT Noise Meter for Pc

1. A test tone at 1kHz or a white noise or a pink noise can be generated and sent to right and/or left outputs (select the type you want in BEEP tab).

2. Professional users will take advantage of a wide range of accurate and reliable measurements: Leq, peak, L10, L95, taktmaximal, frequency analysis, histogram, dosemetering, ... A&C weightings are compliant with ANSI® S1.42 standard.

3. This FFT view - more precisely an upsized version of it - can be exported as a picture in your own photo library, using the camera button (when display is frozen only).

4. Top digital display is for measurement of sound power in 'slow' mode (averaged on 1s).

5. If your input signal is a pure tone then this App will lock on its frequency and display a very accurate result.

6. Blue line is a copy of what the purple line was when the user froze the display the last time.

7. Thus if you want to hear a real white or pink noise, you will need to use a quality headphone or HiFi system.

8. As for ALL sound meters (thus including this one and all others at any price), calibration is suggested if you want to reach extreme precision.

9. But it can display 'slow' mode as well on request: just click on 'fast' label.

10. How to ? For calibration, you need and external reference, either a calibrated sound meter, or a calibrated noise source.

11. The display can be flipped upside-down to ease reading: just rotate your iPhone while holding it vertically.

12. Liked SPLnFFT Noise Meter? here are 5 Utilities apps like White & Pink Noise; Decibel X PRO: dBA Noise Meter; Noise Control; dB meter lite - noise measure; Decibel Sound Meter - Noise Level Measure in Db;