On 02/02/2010 09:54 AM, Patrick Shirkey wrote: > > On 02/02/2010 07:46 PM, Atte André Jensen wrote: >> Hi >> >> I'm building a piano from the MIS samples, and there seems to be quite a >> lot of hiss, esp in the pp samples. >> > I think there is a swh de-essser that you could use with ecasound to > batch process all the files. a "classic" de-esser won't help here - it is either a compressor with a treble boost in the sidechain (simple design, will reduce overall volume during the attack phase and leave the noise mostly alone) or an adaptive hi-shelving filter (better, but will also do the inverse of what's wanted: reduce loud treble content, and leave the softer noise alone). you might want to try an expander with a treble boost in the sidechain instead, or hack up some network of a hi-shelving filter whose cutoff is driven by an envelope follower with treble boost... but none of these approaches is going to get near the performance of a multi-pass offline noise removal tool. i've tried gnome wave cleaner a while ago, there are some settings that might work, but i thoroughly disliked it for music - it's ok for speech intelligibility and to resurrect historical material, but nothing for really ambitious music production. _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user
