Filtered Noise Generator 1.02

Filtered Noise Generator 1.02 (FNG) is a professional and useful tool which can generate noise signals and apply different frequency filters on them in real time and act as a tinnitus masker. Applications are loudspeaker or general audio testing, tinnitus masking, audio cross-over development, etc.

Practical applications of filtered noise are for example:

• Loudspeaker testing: When testing a loudspeaker, only the frequencies of the usable bandwidth should be applied. E.g., when testing a tweeter, you need a high passed signal.
• Tinnitus masking: Tinnitus appears usually in a very limited frequency band. With a band pass filter you can focus a masking signal onto this band.
• Cross-over simulation for speaker system development: Use a low pass filter on one channel and a high pass on the other. Then connect a woofer and tweeter to each, and you can simulate different cross-over frequencies and their effects with ease.
  

Signals created can be saved as a .WAV file in order to make an audio CD. You can run scripts of noise signals and save memory pre-sets of noise parameters to disk.

Major Features:

1. White and pink noise signals with adjustable crest factor;
2. Preset storage and recall;
3. Multi sound card support;
4. Sampling frequency up to 96kHz;
5. Separate amplitude modulation left/right; Switches for channel on/off and l/r phase;
6. Save test tones as WAV files for Test CDs;
7. Externally controllable (via Windows Messages)

 Requirements: Sound Card

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