I can assure you I didn't pinch what I wrote from anyone as its common knowledge anyway so I'm not surprised that this sort of thing is referenced all over the place, just thought I could write a few things down that people may find useful.
On 14/08/2010, at 10:40 AM, Paul (Pawel) Loba wrote: > Good stuff Dane. However, I heard this first from Rick Harmon who provides > pretty useful info/tutorials on his website: > Blind-geek-zone.net > Besides, there is some good stuff to listen to regarding GW on > blindcooltech.com. > Best, > Pawel. > -----Original Message----- > From: pc-audio-boun...@pc-audio.org [mailto:pc-audio-boun...@pc-audio.org] > On Behalf Of Dane Trethowan > Sent: August-13-10 3:10 PM > To: PC Audio Discussion List > Subject: Noise Reduction With Goldwave > > Hi! > Since Noise reduction seems to be a topic of interest to a lot of list > members I thought I'd write a small "getting started" guide if you like for > those who want to give Noise Reduction a go. This little guide assumes that > you want to rid the audio you've recorded of a constant background noise, > suppose you've recorded from radio and you have some background interference > from somewhere so follow these steps and you may be quite surprised at the > results you get and others feel free to comment or add notes as required. > This guide is written with Goldwave in mind though people with the > appropriate knowledge can adapt it to their requirements, for example if > they're using Sound Forge, Total Recorder etc. > Go into Goldwave and open the file you wish to work with. > Next scan through the file until you find a portion of background noise on > its own, a quarter of a second will do. > Select this portion of audio and copy it to the clipboard, for added > security you may like to paste the copied portion of audio to a new window > and you can work with this to make the sample of background noise longer > should you need to. > Now select all of your audio file you're working on or all of the portion > you want noise removed from. > Go into Goldwaves menu system and select effects, filters and Noise > reduction. > From the drop-down lists of presets select "Envelope from Clipboard" and > press Okay, processing of the envelope and of the audio will start > immediately. > So listen to the result and see what you think. If the audio seems expanded > then repeat the steps above though when you select the preset "Envelope From > Clipboard" adjust the "Scale" edit box from 100 to 10, this determines by > how much DB Goldwave Should reduce the noise by, press okay and processing > of the noise envelope and the audio file will start. > Obviously a lot of the noise will still be present so repeat the process of > noise reduction again a few more times with the Scale set at 10% each time, > noise will decrease gradually but you'll end up with a more natural sounding > audio than you did the first time you tried with the scale set at 100% > Have fun! > > Dane Trethowan > grtd...@internode.on.net > > Mobile:/SMS +614571201 > Twitter: Http://www.twitter.com/grtdane > MSN: grtd...@dane-trethowan.net > skype: grtdane12 > > > > To unsubscribe from this list, send a blank email to: > pc-audio-unsubscr...@pc-audio.org > > > To unsubscribe from this list, send a blank email to: > pc-audio-unsubscr...@pc-audio.org To unsubscribe from this list, send a blank email to: pc-audio-unsubscr...@pc-audio.org
