Delay: Difference between revisions
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Despite being analog in their representation of individual signal voltage samples, these devices are discrete in the time domain and thus are limited by the Nyquist–Shannon sampling theorem; both the input and output signals are generally low-pass filtered. The input must be low-pass filtered to avoid aliasing effects, while the output is low-pass filtered for reconstruction. (A low-pass is used as an approximation to the Whittaker–Shannon interpolation formula.) |
Despite being analog in their representation of individual signal voltage samples, these devices are discrete in the time domain and thus are limited by the Nyquist–Shannon sampling theorem; both the input and output signals are generally low-pass filtered. The input must be low-pass filtered to avoid aliasing effects, while the output is low-pass filtered for reconstruction. (A low-pass is used as an approximation to the Whittaker–Shannon interpolation formula.) |
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==Euro== |
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{| border="1" cellpadding="8" |
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! Manufacturer !! Module !! Width !! Power !! Comment !! Product Page |
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|- |
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|[[Doepfer]] |
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||[[A188-1]] |
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||14hp |
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||80mA |
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||[[BBD]],128, 256, 512, 1024, 2048 or 4096 stages |
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||[http://www.doepfer.de/A1881.htm A-188-1] |
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|- |
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|[[Doepfer]] |
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||[[A188-2]] |
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||30hp |
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||120mA |
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||[[BBD]] tapped delay Module |
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||[http://www.doepfer.de/A1882.htm A-188-2] |
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|- |
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|[[The Harvestman]] |
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||[[Tyme Sefari]] |
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||15HP |
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||~80mA |
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||Digital 8 bit delay/[[sampler]] |
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||[http://www.theharvestman.org/1973.htm Tyme Sefari] |
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|} |
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==5U== |
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{| border="1" cellpadding="8" |
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!Manufacturer !! Module !! Width !! Power !! Comment !! Product Page |
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|- |
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|[[Modcan]] |
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||[[Digital Delay 59B]] |
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||2U |
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||[http://www.modcan.com/bseries/ddelay.html 59B Digital Delay] |
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|- |
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|[[Synthetic Sound Labs]] |
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||[[Voltage Controlled Digital Delay 1310]] |
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||1U |
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||+15V @ 35ma, -15V @ 8ma |
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||[http://www.steamsynth.com/m_DigitalDelay.aspx Digital Delay 1310] |
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|[[Club Of The Knobs]] |
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||[[C1680 Voltage Controlled Analog Delay]] |
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||[http://www.cluboftheknobs.com/modules.html C1680] |
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==Frac== |
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{| border="1" cellpadding="8" |
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! Manufacturer !! Module !! Width !! Power !! Comment !! Product Page |
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|- |
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|[[Blacet Research]] |
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||[[Time Machine]] |
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||[http://www.blacet.com/cool.html Time Machine] |
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|} |
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==References== |
==References== |
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