Has anyone created a VST that accurately applies the old tape noise reduction methods? Dolby A, B,C, DBX etc?
Basically they were Pre-emphase for recording, and De-emphasis for playback. Some of them included compression and expansion, as well as just the eq curve.
This would be useful for anyone backing up old tapes. Also, they were often used for creative effective - record with it on, and turn it off for playback.
I know it's basically nothing that can't be done with a good eq and compressor - if you know the settings.
(Maybe all that is required is for one of the successful eq and comp vendors to to develop some presets for their products.)
Just read somewhere that this trick was part of the reason behind that hugely successful Bruce Hornsby piano sound ...
Dolby goes on, dolby goes off ...
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- Rad Grandad
- 38041 posts since 6 Sep, 2003 from Downeast Maine
dbx 150s weren't they....god I don't miss those things at all... 
The highest form of knowledge is empathy, for it requires us to suspend our egos and live in another's world. It requires profound, purpose‐larger‐than‐the‐self kind of understanding.
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- KVRAF
- 10597 posts since 13 Jun, 2004 from Alberto Balsam
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- KVRian
- Topic Starter
- 769 posts since 2 Apr, 2005
Nothing visible in the Elogoxa beta's ...
The data & curves etc is available at www.dolby.com - some of them are fairly complex multiband schemes. And no doubt fully patented.
The data & curves etc is available at www.dolby.com - some of them are fairly complex multiband schemes. And no doubt fully patented.
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- KVRAF
- 8731 posts since 24 May, 2002 from Tutukaka, New Zealand
I think you hit the nail on the head there. Even the patents are probably patented. In fact you might get a call from a lawyer, just for writing the name Dobly without permission.And no doubt fully patented.
