db spl freeware downloads

File Optimizer

16.50.2809 freeware download

FileOptimizer is an advanced file optimizer featuring a lossless (no quality loss) file size reduction that supports: .3G2, .3GG, .3GP, .7Z, .A, .AAI, .AC, .ACC, .ADP, ...

Spectralissime

1.0.1.2 freeware download

... proposes different scale in gain (6dBfs, 10dBfs, dB SPL) and frequency representation (decade or octave) and can ... shows isophonic curve and displays scale in dB SPL. A calibration value can be set to adjust ...