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Aliasing, anyone takes that into consideration?
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vegetal
Vegetal/Peacespect
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Posted : Dec 3, 2007 12:26
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Boobytrip
IsraTrance Junior Member
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Posted : Dec 3, 2007 12:43
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I don't take it into consideration, unless it sounds ugly. But then the bad sound would be the main reason to not use the synth.
Like you say, most plugs use internal oversampling and a lowpass filter to prevent aliasing so it shouldn't be a much of a problem if you stick with a few good sound-sources  |
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vegetal
Vegetal/Peacespect
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Posted : Dec 3, 2007 12:50
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UnderTow
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1448
Posted : Dec 3, 2007 13:36
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I do the same as Boobytrip. If it sounds good I use it. If not I don't. (Unless it is intentionally supposed to sound bad).
UnderTow |
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Freeflow
IsraTrance Full Member
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Posted : Dec 3, 2007 14:12
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Kaz
IsraTrance Full Member
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Posted : Dec 3, 2007 14:33
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Aliasing can be good or bad... sometimes aliasing creates some overtones that turn a boring sound into a very surprising one. |
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PoM
IsraTrance Full Member
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Posted : Dec 3, 2007 15:01
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usually synth that alias a lot are not very good quality but if it sound good ...( but for me without aliasing it ll sound even better except if i m looking for a special effect)
not sure about it but it seeems there is aliasing in all the spectrum , you can hear it with some analog synth just doing a bassline, the sound is pure ! with vst it s full of shit and need more equing. |
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vegetal
Vegetal/Peacespect
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Posted : Dec 3, 2007 16:27
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Quote:
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On 2007-12-03 15:01, PoM wrote:
usually synth that alias a lot are not very good quality but if it sound good ...( but for me without aliasing it ll sound even better except if i m looking for a special effect)
not sure about it but it seeems there is aliasing in all the spectrum , you can hear it with some analog synth just doing a bassline, the sound is pure ! with vst it s full of shit and need more equing.
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Not good quality? Can you please evolve that statement. To me it seems like its something you implement deliberately as a developer.
I mean if you implement a sawtooth with 64 harmonics your begging for aliasing unless you oversample alot internally, but then again its just a waste of clockcycles in the end =)
Hearing aliasing on a analog synth?
If its plain analog than there is no chance that aliasing will occur. Do you mean analog-emulators?
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Speakafreaka
IsraTrance Junior Member
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Posted : Dec 3, 2007 19:34
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Filtering out the aliasing has disadvantages too - increased CPU and altered sound characteristics - perhaps undesirably so.
There is no right or wrong as such, because both options are flawed.
One way around it is to use an interpolated wavteable instead of an 'oscilator' - the effect of which is very similar to a low pass filter, only more suited to the audio app IMO when trying to temper harmonic creation. Downside is that low frequencies can be effected - specifically when the hZ falls below a certain point, and 'steps' appear in the wave. So the wavetable needs to be long - at least 256 samples - and really 512, or even 1024 would be far better suited to most peoples needs.
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http://www.soundcloud.com/speakafreaka |
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vigge
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Posted : Dec 4, 2007 00:35
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he meant that with a analog synth there is NO aliasing |
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OpenSourceCode
Datavore
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660
Posted : Dec 4, 2007 06:39
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the operator in live 7 has high quality mode that addresses aliasing, i believe... |
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vegetal
Vegetal/Peacespect
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Posted : Dec 4, 2007 12:40
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Boobytrip
IsraTrance Junior Member
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Posted : Dec 4, 2007 12:50
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Quote:
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On 2007-12-04 00:35, vigge wrote:
he meant that with a analog synth there is NO aliasing
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Nope, no aliasing. Unless... you're going to sample it so you can mix it digitally  |
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OpenSourceCode
Datavore
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Posted : Dec 5, 2007 04:29
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[/quote]
Have they done any updates on that synth in 7?
When i mentioned the 64 harmonic osc i had the operator in mind, =)
[/quote]
http://www.ableton.com/live-7-whats-new
"Device High-Quality Modes: Operator, Dynamic Tube and Saturator now feature optional High-Quality modes for anti-aliased processing, reducing typical "digital" artifacts."
don't mean to be an ableton cheerleader, but i just installed it and it's downright grand...except i can't seem to make it work with my vst folders... |
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the daleks
The Daleks
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Posted : Dec 5, 2007 06:39
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I love the aliasing on the Vanguard. to me it makes that synth, and maybe some others sound unique
but its essentially a digital vs analog debate, as any digital synth will have some amount of aliasing
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you tend to start wondering where the ones we can´t hear end up