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SYNTHESIA
Joined: 26 Jun 2012
Posts: 9
Location: Germany
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 Posted: Tue Jul 28, 2015 3:57 pm Post subject: Simulate Comb-Filter in AL-1? |
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Hi,
is it possible to simulate a comb-filter effect in the AL-1 like the Radias?
Perhaps with the multi-filter? |
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EvilDragon
Platinum Member
Joined: 24 Nov 2005
Posts: 1992
Location: Croatia
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| Posted: Tue Jul 28, 2015 4:16 pm Post subject: |
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| Nope, you cannot mimic a comb with LP/BP/HP/Notch filters. Comb filter is a tuned delay line with very short delay times. |
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SYNTHESIA
Joined: 26 Jun 2012
Posts: 9
Location: Germany
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| Posted: Tue Jul 28, 2015 4:38 pm Post subject: |
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| That's a pity. Thank you. |
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Rigel
Senior Member
Joined: 02 Aug 2012
Posts: 252
Location: Izmir, Turkey
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| Posted: Tue Jul 28, 2015 8:22 pm Post subject: |
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Try tweaking the chorus effect settings...
_________________
Korg KronosX73, Kurzweil PC3K6, Roland V-Synth GT, Kawai K5000S, Waldorf Blofeld, Novation Ultranova, Behringer Neutron, Yamaha HS80M, Boss Micro BR80, Zoom H6, Sony PCM D100, Tascam DP32SD, Mackie 1202VLZ4, Zoom MS-70CDR, Rode NT1, Sony MDR 7506. |
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Mike Conway
Approved Merchant
Joined: 28 Jan 2005
Posts: 2433
Location: Las Vegas, Nevada
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| Posted: Thu Jul 30, 2015 6:28 am Post subject: |
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I really need to play with STR-1 more. Supposedly, that engine can do Comb Filtering. From SOS' review:
| Quote: | If you navigate to the Mixer page, you'll find that you can mix the sounds generated by the virtual string, the PCM oscillators, and the noise used (or not) to generate the excitation, plus the outputs from two virtual pickups.
As on a real stringed instrument, the positions of the pickups allow you to determine the harmonic content of a sound...I found that choosing appropriate pickup positions helped me to create some remarkably accurate guitar models, as well as all manner of effects when I modulated the positions to create chorusing and comb-filtering effects. |
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psionic311
Platinum Member
Joined: 14 Nov 2014
Posts: 1046
Location: Orlando, Florida USA
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| Posted: Thu Jul 30, 2015 11:12 am Post subject: |
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You may also be able to approximate a comb filter just by using delay FX, as well as flanger and chorus, as mentioned above.
Very short delay times (less than 10ms) with high feedback.
Comb filtering happens when a signal is added to itself, but very slightly delayed, creating additive and subtractive interference so that the resulting signal has notches and peaks that look like teeth on a comb...
Check this thread out for ideas:
http://www.thegearpage.net/board/index.php?threads/comb-filter-pedal.1087356/ |
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danatkorg
Product Manager, Korg R&D
Joined: 21 Jan 2005
Posts: 4204
Location: California, USA
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| Posted: Thu Jul 30, 2015 5:49 pm Post subject: |
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| Mike Conway wrote: | I really need to play with STR-1 more. Supposedly, that engine can do Comb Filtering. From SOS' review:
| Quote: | If you navigate to the Mixer page, you'll find that you can mix the sounds generated by the virtual string, the PCM oscillators, and the noise used (or not) to generate the excitation, plus the outputs from two virtual pickups.
As on a real stringed instrument, the positions of the pickups allow you to determine the harmonic content of a sound...I found that choosing appropriate pickup positions helped me to create some remarkably accurate guitar models, as well as all manner of effects when I modulated the positions to create chorusing and comb-filtering effects. |
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The pickups create comb filtering (there are detailed descriptions of this in the Parameter Guide), but so can the string itself. See "Using the string as a comb filter for PCM" in the Parameter Guide.
_________________
Dan Phillips
Manager of Product Development, Korg R&D
Personal website: www.danphillips.com
For technical support, please contact your Korg Distributor: http://www.korg.co.jp/English/Distributors/
Regretfully, I cannot offer technical support directly.
If you need to contact me for purposes other than technical support, please do not send PMs; instead, send email to dan@korgrd.com |
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