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Dr. 8 Bit
Account closed
Registered: Sep 2006
Posts: 25 |
reduce the audio-noise
How can I reduce the audio-noise from c64?? some ideas?? a capcitor...mmm.. |
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Rough
Account closed
Registered: Feb 2002
Posts: 1829 |
turn down the volume...
yes, I know, not funny. |
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Scout
Registered: Dec 2002
Posts: 1568 |
Quote: How can I reduce the audio-noise from c64?? some ideas?? a capcitor...mmm..
Questions, questions, questions...
Every day a new question by Dr. 8Bit.
Try to collect them all! \o/ |
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Mace
Registered: May 2002
Posts: 1799 |
Dr. 8 bit, you should become a member of the http://www.prophet64-forum.com.
There you will find most of the answers to your questions.
But a quick reply: build a controlled feedback loop through the SID input of your C64. |
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Raf
Registered: Nov 2003
Posts: 343 |
what mace said :)
search for mr AlphA 's modded C64-II he uses in his studio for prophet 64 exclusively - he provides schematics . charts and audio samples of solutions he proposed.
www.vulture.c64.org |
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MagerValp
Registered: Dec 2001
Posts: 1055 |
What if you just ground the SID input?
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Bamu®
Account closed
Registered: May 2005
Posts: 1332 |
I usually remove the noise with some pc software. |
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uneksija
Registered: Jan 2002
Posts: 44 |
Quote: What if you just ground the SID input?
Hmm yes I think this was mentioned on Alpha's site as an effective way to remove a lot of the noise. However, do it at your own risk :P
http://www.bigmech.com/misc/c64mods/noisereduction.html |
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Grue
Registered: Dec 2001
Posts: 146 |
http://www.sid.fi/~grue/temp/hifi_sixtyfour2.txt
This method is pretty effective atleast on 6581 chips, it insulates 6581 from the data and address busses when CS (Chip select) line for sid is not active.
Combined with filtered and separate +12v and +5v voltages and own separate grounding it improves output quality alot. Also grounding potx, poty and ext-in lines with small (1nF) capasitor helps littlebit on the way. Also building separate audio out buffer (pre amp) and making own audio out connector helps on the way too.
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null
Account closed
Registered: Jun 2006
Posts: 645 |
I say:
Noise == <3
------------------------------------
Knoeki/DigitalSoundsSystem |
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Mace
Registered: May 2002
Posts: 1799 |
Some people remove noise.
Others make a distortion plugin.
:-) |
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