Soft Maximum - best free downloads
hiss

DART XP PRO
... Dynamic Noise Reduction option, to control the amount of hiss removal that will be performed, dependent on the volume and frequency ... volume point, above which the adaptive ("dynamic") hiss reduction filter is activated. DeClick Plus - Remove clicks and pops ...

DART CDRecorder
... DeClick and DeHiss removes clicks, pops, scratches and hiss. * Shape tracks with 10 band Equalizer, fade-in/out. * Comparative ...

Acoustica
... LP or tape recordings. Remove stationary noise like tape hiss or let Acoustica add high frequency harmonics to dull recordings. You can ...

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