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A few beginner questions
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CEgreg
Started Topics :
8
Posts :
6
Posted : Oct 24, 2011 02:08:43
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Hello, I've been playing with sound for a year now. Not doing bad, but need a few things cleared up... let's see...
- if I see a dial with the word 'mod' (rate mod, envelope mod), what does this mean?
- How does the glide control work
- How does pitch relate to the key tune? is each key correspond to a specific pitch or is there something else at work behind keys
- What are formants in relation to making music?
- What specifically do flangers and phasers actually do to a sound?
- Is there any benefit to using delay/mod/distortion on a synth as opposed to using a dedicated plugin?
- Is there a website with good beat mapping examples?
Cool. There's more things that I'm forgetting that i'll add later. Thanks for the help
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knocz
Moderator
Started Topics :
40
Posts :
1151
Posted : Oct 24, 2011 03:49
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Some answers here
- How does the glide control work
>With glide activated, you press one key and then another without letting go of the first one, and the sound slides from one note to another, according to the time you set.
- How does pitch relate to the key tune? is each key correspond to a specific pitch or is there something else at work behind keys
>Normally the pitch is related to keys (actually CC values are assigned to keys and the synth translates the CC into notes) but there are many more thinks you can assign to the keys: velocity, after touch, etc. Also look for any keytrack knob next to a filter or related, you can manipulate other parameters with the keys.
- What specifically do flangers and phasers actually do to a sound?
>Technically, check out Wikipedia. Practically, get a sound and try the effects out, to hear what they sound like.
- Is there any benefit to using delay/mod/distortion on a synth as opposed to using a dedicated plugin?
>Yes, first you have a different variety by mixing different effects. On the other hand you will have more processing (more effects are loaded). The main benefit is you can alter the order of the effects..imagine a delay or reverb, and a gate effect. Changing the order of these two will drastically change the sound (reverb then gate or gate then reverb), and the same is valid for other examples.
 Super Banana Sauce http://www.soundcloud.com/knocz |
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D7uan
IsraTrance Junior Member
Started Topics :
43
Posts :
159
Posted : Oct 24, 2011 04:57
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hey you actually got me wondering about phasers and flanger although i do use them i never really quite understood how they worked i would just use and tweek which ever sounded better given the occasion lol.....but try this out so that you can actually get an idea of how it works....load up a synth and set an osciliator to white noise and make sure only that oscilitor is playing...then add either flanger or phasing to the sound and then you can most definetly hear exactly what each effect does to the sound...thank you for asking this question man now i understand how they work |
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faxinadu
Faxi Nadu / Elmooht
Started Topics :
282
Posts :
3394
Posted : Oct 24, 2011 05:07
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basically everything in audio is based on delays.
filtering, flanging, phasing - it is all mathematical tricks with delaying the signal and feeding it back in various ways with various volumes.
The Way Back
https://faxinadu.bandcamp.com/album/the-way-back |
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Equilizyme
IsraTrance Junior Member
Started Topics :
19
Posts :
593
Posted : Oct 24, 2011 07:24
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from what i understand flangers are basically just a series of sharp eq peaks and/or cuts that are modulated to move around the spectrum at a certain rate. Phasers playback the sound a second time, just slightly delayed (a few ms. our ears can barely detect it).
Formants are specialized filters that have been designed such that the output sound will mimic the harmonic qualities of a vocal sound made by humans.
A lot of your other questions you will be able to resolve the quickest by just googling them.
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http://soundcloud.com/equilizyme
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Maine Coon
IsraTrance Junior Member
Started Topics :
12
Posts :
1659
Posted : Oct 24, 2011 18:32
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Quote:
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On 2011-10-24 07:24, Equilizyme wrote:
from what i understand flangers are basically just a series of sharp eq peaks and/or cuts that are modulated to move around the spectrum at a certain rate. Phasers playback the sound a second time, just slightly delayed (a few ms. our ears can barely detect it).
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The other way around. 
Flangers are delays: fire up a delay plug-in, set wet/dry to 50/50 and make delay very short (just like you said - single milliseconds) - that's a flanger plug-in. 
Phasers are EQs that don't really EQ. They only mess up signal's phase. Mix it with the original signal - and you'll get the same effect as with a flanger, but with less easily predictable peaks/valleys. With a flanger, you peaks can be directly claculated from the delay time. With a phaser you need to know exactly how it messes the phase at which frequency.
There is a version of the flange effect in optics too: that's why you see colored rings on a film of oil on top of water. The light rays get split in two: one half bounces off the surface of the oil film, the other goes through and then bounces off the surface of water underneath (it gets delayed by the amount of time needed to go through oil twice). Then these two sister-rays reach your eyes and mix again. Colored bands are where they amplify each other - just like frequency peaks in the flange effect. |
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Vermeee
IsraTrance Full Member
Started Topics :
108
Posts :
1069
Posted : Oct 24, 2011 22:47
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both use delay....... flanger and phaser..
and both use an eq or filter or what ever u wanna call..
in a more popular way of sayin...
i prefer to see flangers as an effect that will ADD freq peaks that will be modulated by lfo doin the sweep noise up and down...
phaser the same thing but inverted..instead of addin freq peaks it ll make the modulation effect with the CANCELATION of some freqs of the wave ( phase )
so flanger leads to more harmonical and phaser less harmonical...
this is a tecnic explanation :
~With the phaser effect, the signal passes through all-pass filters which have a non-linear frequency phase response. This results in phase differences in the output signal that depend on the input signal frequency — for example, the phase of a low frequency might be shifted by one quarter of a wavelength, whilst a higher frequency will be phase-shifted by a different amount. In other words, various frequencies in the original signal are delayed by different amounts, causing peaks and troughs in the output signal which are not necessarily harmonically related.
Flanging, on the other hand, uses a delay applied equally to the entire signal which is similar in principle to phasing except that the delay (and hence phase shift) is uniform across the entire sound. The result is a comb filter with peaks and troughs that are in a linear harmonic series.
Typically, the comb filter created by flanging's uniform delay will have many uniformly spaced 'teeth' whilst a phaser (depending on the design of the circuitry) will have fewer teeth — maybe even just one — and/or they will be unevenly spaced and the spacing will depend on the whim of the designer, using tried and trusted scientific principles such as 'does it sound good?'~
http://soundcloud.com/bgos |
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Equilizyme
IsraTrance Junior Member
Started Topics :
19
Posts :
593
Posted : Oct 25, 2011 18:56
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