Simple SPL

A static library for VisualAge C++ v4 that handles digital signal processing, it is specifically designed for radio exploration but should have applications in any audio related signal processing, and is surprisingly well featured considering its age.

Feature list

 * Filters:low pass, high pass, band pass, band stop, 'mediana' filters (min/med/max amplitude), simple equalizer
 * Spectrum:FHT (with accumulation)
 * Oscillators:sine/cosine, white noise, pink noise, On/Off pulser
 * Helper functions set:including simple auto calculation of LPF/HPF by desired slope (dB/oct)
 * Addons:AM detectors (1/2 half-period), amplifier, input wave window reverse
 * Effects: fade in/out (linear/exponential)

Version

 * Last known version: Simple SPLv.1.0.0 (2002-04-16)
 * Note, the download site requires registration

Links

 * A copy of the original SSPL homepage - Via Archive.org

Licence
Closed source freeware

Author

 * Vadim Yegorov