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 Forum index » DIY Hardware and Software
USING A COMPANDER WITH PT2399
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gasboss775



Joined: Jan 02, 2016
Posts: 217
Location: Scotland
PostPosted: Thu Sep 27, 2018 2:58 pm    Post subject:  USING A COMPANDER WITH PT2399 Reply with quote  Mark this post and the followings unread
Have been experimenting a bit with the pt2399 delay chip but I find it gets a bit noisey with long delay times. Has anyone tried using a compander ( ne57x type chips ) to improve the performance of these chips and if so did it help?
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Grumble



Joined: Nov 23, 2015
Posts: 1320
Location: Netherlands
Audio files: 30
PostPosted: Fri Sep 28, 2018 2:41 am    Post subject: Reply with quote  Mark this post and the followings unread
I have read about it.

https://soundwavedesign.wordpress.com/archangel/
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gasboss775



Joined: Jan 02, 2016
Posts: 217
Location: Scotland
PostPosted: Fri Sep 28, 2018 4:13 am    Post subject: Reply with quote  Mark this post and the followings unread
Thanks Grumble.
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gabbagabi



Joined: Nov 29, 2008
Posts: 652
Location: Berlin by n8
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PostPosted: Fri Sep 28, 2018 4:54 am    Post subject: Reply with quote  Mark this post and the followings unread
damn nice find!

edit: i also found something related: https://electricdruid.net/noise-reduction-with-companders/
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gasboss775



Joined: Jan 02, 2016
Posts: 217
Location: Scotland
PostPosted: Fri Sep 28, 2018 9:40 am    Post subject: Reply with quote  Mark this post and the followings unread
g.gabba wrote:
damn nice find!

edit: i also found something related: https://electricdruid.net/noise-reduction-with-companders/


Is good to know you can still get those compander chips from somewhere credible, rather than eBay sellers ( where you risk getting a fake )

Thanks g.gabba.
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