PSYN-tology 4 [Welcome to PSYN]

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b rock
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2004/07/31 14:40:32 (permalink)

PSYN-tology 4 [Welcome to PSYN]

I'm beginning to think that I should've started this series with this patch. After all, it's the first taste of PSYN language that most people get, and is one of the more complex patches in terms of oscillator usage and the number of envelopes used. I guess it's meant as a showcase patch of sorts, but with all apologies to Cakewalk, they could've done a little better. As you can tell, I've never liked this patch, so let's see what we can do to spice it up. Just load PSYN; this is the first patch in the A Bank by default.

Welcome to PSYN uses all four oscillators, so let's break those down first. You may want to disable all of them, then 'solo' each one to hear it's contribution to the overall patch.

Osc 1 is a Sine/Sawtooth combination tuned down a half semitone [Fine] with the addition of the Sub Oscillator, a wave one octave lower split off from your main notes that provides octave doubling without using any polyphony. Remember that whatever waveforms that you have selected in your oscillator are duplicated down an octave with the sub; in this case, a Sine/Saw combination. Dial in just the right amount with a dedicated Level control.

Osc 2's sole purpose in life is to duplicate Osc 1's Sawtooth wave tuned up a quarter semitone, to create additional 'beating'. Personally, I think this is overkill, considering the hefty Detune amount (85%) and Unison enabled settings. I might've chosen one or the other in this patch, but it's a musical decision, and there's no denying that it's omission changes the overall texture.

Osc 3 is slowly developing part of this patch, due to the EG 2 settings: a 5 second Delay added to an already slow Attack and relatively long Decay Time. Of special note here is that Osc 3 is the only one with it's Modulation Sensitivity cranked. This allows for a completely different Envelope from the main EG A envelope by virtue of the Lev-03 in the EG 2 Modulation section. Further, the Pitch envelope set up in EG 3 is drifting over time and modulates only the pitch in Osc 3. Now add LFO 1 into play. As a square wave with a bit of a fade-in delay, the diving & swooping pitch of Osc 3 is trilled by LFO 1's square wave, making this quite a complex interaction. Note the octave and a minor third pitch difference in the oscillator settings make this leap above the other 3 oscillators.

Osc 4 further thickens the sound established in Osc 1 & 2 by dropping an octave and adding another sub oscillator to the mix; this time as a Sine wave. This is a favorite trick of many genres: adding a low frequency sine wave to bass, synths or even kicks to get those subwoofers, chicks, and town drunks up & dancing.

Hmm, what'd I miss? Oh, the filters! Double Lowpass filters in series with differing amount of Resonance and slopes (remember the second filter is always a sharper 24dB per octave Lowpass filter) set up some nice variations as the envelope (in this case, EG 1) progresses. The Cutoff Frequency of the first filter is at minimum (16 hz.), allowing next to nothing through at first glance, while the second filter is adjusted more reasonably, around 2600 hz. But EG 1 raises the CF of both filters slowly, taking a bass-heavy sound gradually into mid-range. It could be argued that this is the true main Amplitude Envelope of this patch, just from the way the clamped-down sound opens up. The actual EG A is a rather non-descript fast Attack/Decay envelope that's there to provide some Release Time.

Perhaps this belongs in the Osc 3 discussion, but we've neglected EG 4. This one does double-duty: it adds additional modulation to an already wacky pitch envelope affecting the third oscillator, while it simultaneously creams the cutoff of the second filter. You'll only notice it's presence if you really hold some notes, as it doesn't come to life until almost a nine-second Delay and a half-second slow Attack. Utilizing Slope here adds a second Decay phase to an already busy combination. Notice that this EG really affects the Pitch of Oscillator 3, but only moderately affects Cutoff 2. This demonstrates the flexibilty of having seperate Depth controls for each Destination.

OK, OK, I'm starting to like this patch a little better after analysis, but we can do better. I think the oscillator complement is squandered with all that doubling, but, to each his own. Time to fug this one up.

We'll disable the Unison and Detune controls for now and leave Osc 1 alone as to not completely eradicate the patch. Osc 2 gets switched to an inverted Sawtooth wave, boosted an octave, a suboscillator added, and lets dial in a lot of EG Mod Sens. Drop the Attack slider near 0 on EG 1. At this point, we have a snappy thick patch. Play a chord and hold it. The power chord mutates to a 'pitch bend' which disintegrates in tremolo and finally into landing a spacecraft in the mud. Go to EG 3 and drop the Amount slider to -100%. This effectively reverses the envelope and results in a sound repeated nightly by my rhythm guitarist trying to catch up.

Return the Amount to 100%, but select PWM-All (instead of Pitch) in the Modulation section of EG 3. The quirky sound of pulse width modulation deserves a tutorial all it's own. Go to Osc 4 and boost it +4 octaves. Now we have quite a full sound that'll create a nightmare for EQing all your other instruments in the mix, but it sounds fairly full. This without using Unison and Detuning. My point here is that there's certainly a place for these functions, but they don't have to be in on every patch.

Well, my goal was to create a patch to properly showcase PSYN, but I fell miserably short. I imagined a weaving, undulating use of the envelopes and oscillators like a good Crystal patch. Guess I can't program a good patch and compose a tutorial at the same time. Some kind of right-left brain conflict. I'll work on that definitive patch, and I hope this discussion served to provide some insight into the patch. Welcome to PSYN(-tology)!
#1

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    Digital Aura
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    RE: PSYN-tology 4 [Welcome to PSYN] 2004/07/31 15:04:42 (permalink)
    mmmm tasty.

    You are made for this...perhaps you're the one should be writing the book entitled,

    "Be A P5 GURU in 7 days!" [forward by mike90210, "the 12step process"]

    This is gonna take some time to go over...Im still going over the first one for the 3rd time!! Great stuff here! I luv u!![sm=kiss.gif]LOL
    #2
    Far Left Corner
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    RE: PSYN-tology 4 [Welcome to PSYN] 2004/07/31 15:13:55 (permalink)
    Digi,

    Don't get emotional on us here!

    Be strong - cause you have more tutorials to go through....

    And like y ou - I am on the 1st for the 4th time (cause I'm slower than the average PYSN-Bear)
    #3
    Digital Aura
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    RE: PSYN-tology 4 [Welcome to PSYN] 2004/08/29 13:44:47 (permalink)
    ORIGINAL: b rock

    I'm beginning to think that I should've started this series with this patch. After all, it's the first taste of PSYN language that most people get, and is one of the more complex patches in terms of oscillator usage and the number of envelopes used. I guess it's meant as a showcase patch of sorts, but with all apologies to Cakewalk, they could've done a little better. As you can tell, I've never liked this patch, so let's see what we can do to spice it up. Just load PSYN; this is the first patch in the A Bank by default.

    Welcome to PSYN uses all four oscillators, so let's break those down first. You may want to disable all of them, then 'solo' each one to hear it's contribution to the overall patch. QUIRKY! Each patch brings something to the table, but what a MESSY table!!
    Osc 1 is a Sine/Sawtooth combination tuned down a half semitone [Fine] with the addition of the Sub Oscillator, a wave one octave lower split off from your main notes that provides octave doubling without using any polyphony. Remember that whatever waveforms that you have selected in your oscillator are duplicated down an octave with the sub; in this case, a Sine/Saw combination. Dial in just the right amount with a dedicated Level control.

    Osc 2's sole purpose in life is to duplicate Osc 1's Sawtooth wave tuned up a quarter semitone, (how did you get to a QUARTER...the transpose setting is still zero! You can tell just by listening? OSC 1 is detuned with the fine setting -46 cents?? while OSC 2 is tuned UP 22 cents. I cant make sense of cents!?) to create additional 'beating'. Personally, I think this is overkill, considering the hefty Detune amount (85%) and Unison enabled settings. What does the unison do again? I can hear a dirtier sound, but technically what is it doing? I might've chosen one or the other in this patch, but it's a musical decision, and there's no denying that it's omission changes the overall texture.

    Osc 3 is slowly developing part of this patch, due to the EG 2 settings: a 5 second Delay added to an already slow Attack Is this assignable? Is there somewhere that says 5 second delay? and relatively long Decay Time. Of special note here is that Osc 3 is the only one with it's Modulation Sensitivity cranked. This allows for a completely different Envelope from the main EG A envelope by virtue of the Lev-03 in the EG 2 Modulation section. Further, the Pitch envelope set up in EG 3 is drifting over time and modulates only the pitch in Osc 3. Now add LFO 1 into play. As a square wave with a bit of a fade-in delay, the diving & swooping pitch of Osc 3 is trilled by LFO 1's square wave, making this quite a complex interaction. Note the octave and a minor third pitch difference in the oscillator settings make this leap above the other 3 oscillators. (Crazy! I'm lost... EG 2 shows us that Lev-03 (which is OSC 3) is heavily modulated in Dest1 but not Dest2. Does this mean amplitude is modulated? The LFO is modulated by pitch. So that means that pitch is modulated over time...but how is the pitch controlled? How do we make it go up or down of alternate? Also, in EG 3 how is it that pitch only modulates OSC 3 and no others?)

    Osc 4 further thickens the sound established in Osc 1 & 2 by dropping an octave and adding another sub oscillator to the mix; this time as a Sine wave. This is a favorite trick of many genres: adding a low frequency sine wave to bass, synths or even kicks to get those subwoofers, chicks, and town drunks up & dancing. Good to know!

    Hmm, what'd I miss? Oh, the filters! Double Lowpass filters in series with differing amount of Resonance and slopes (remember the second filter is always a sharper 24dB per octave Lowpass filter) set up some nice variations as the envelope (in this case, EG 1) progresses. The Cutoff Frequency of the first filter is at minimum (16 hz.), allowing next to nothing through at first glance, while the second filter is adjusted more reasonably, around 2600 hz. But EG 1 raises the CF of both filters slowly, taking a bass-heavy sound gradually into mid-range. It could be argued that this is the true main Amplitude Envelope of this patch, just from the way the clamped-down sound opens up. The actual EG A is a rather non-descript fast Attack/Decay envelope that's there to provide some Release Time.

    Perhaps this belongs in the Osc 3 discussion, but we've neglected EG 4. (WOW...EG 1, EG 2, EG 3, EG 4... Thats a lot of EGs in one basket!! [sm=lol.gif]sorry! ) This one does double-duty: it adds additional modulation to an already wacky pitch envelope affecting the third oscillator, while it simultaneously creams the cutoff of the second filter. You'll only notice it's presence if you really hold some notes, as it doesn't come to life until almost a nine-second Delay and a half-second slow Attack. Utilizing Slope here adds a second Decay phase to an already busy combination. Notice that this EG really affects the Pitch of Oscillator 3, but only moderately affects Cutoff 2. This demonstrates the flexibilty of having seperate Depth controls for each Destination.

    OK, OK, I'm starting to like this patch a little better after analysis, but we can do better. I think the oscillator complement is squandered with all that doubling, but, to each his own. Time to fug this one up.

    We'll disable the Unison and Detune controls for now and leave Osc 1 alone as to not completely eradicate the patch. Osc 2 gets switched to an inverted Sawtooth wave, boosted an octave, a suboscillator added, and lets dial in a lot of EG Mod Sens. Drop the Attack slider near 0 on EG 1. At this point, we have a snappy thick patch. Play a chord and hold it. The power chord mutates to a 'pitch bend' which disintegrates in tremolo and finally into landing a spacecraft in the mud. OH MY! THATS THE FREAKIN BOMB DUDE!!! HOW DID YOU COME UP WITH THIS!?!?! Go to EG 3 and drop the Amount slider to -100%. This effectively reverses the envelope and results in a sound repeated nightly by my rhythm guitarist trying to catch up. Can you explain why this reverses??
    Return the Amount to 100%, but select PWM-All (instead of Pitch) in the Modulation section of EG 3. The quirky sound of pulse width modulation deserves a tutorial all it's own. Go to Osc 4 and boost it +4 octaves. Now we have quite a full sound that'll create a nightmare for EQing all your other instruments in the mix, but it sounds fairly full. This without using Unison and Detuning. My point here is that there's certainly a place for these functions, but they don't have to be in on every patch.

    Well, my goal was to create a patch to properly showcase PSYN, but I fell miserably short. I imagined a weaving, undulating use of the envelopes and oscillators like a good Crystal patch. Guess I can't program a good patch and compose a tutorial at the same time. Some kind of right-left brain conflict. I'll work on that definitive patch, and I hope this discussion served to provide some insight into the patch. Welcome to PSYN(-tology)! AWESOME!! THANKS B!!
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    b rock
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    RE: PSYN-tology 4 [Welcome to PSYN] 2004/08/29 18:33:00 (permalink)
    QUIRKY! Each patch brings something to the table, but what a MESSY table!!
    With all apologies to the programmers, the patch could've been tidied up, but, in fairness, I've gone back and noticed some sloppy leftovers in my own patches, like "Why is the Suboscillator Level full up, but disabled?".
    (how did you get to a QUARTER...the transpose setting is still zero! You can tell just by listening? OSC 1 is detuned with the fine setting -46 cents?? while OSC 2 is tuned UP 22 cents. I cant make sense of cents!?)
    I have tried to train my ears to this, but actually the tooltip showed 22 cents, which I rounded up to a quarter-tone. 100 cents=1 semitone in an equal temperament scale; look for a further explanation toward the bottom of this page. Think of a pitchbend set to 1: all those increments in-between can be measured in cents. Blues guitarist's blue note hover around 50 cents, and many alternate, world music, or microtonal scales utilize quarter-tones. Check out an interesting page: the Scala Home Page. BTW, the latest beta of VSampler has microtonal and Scala support, but then you might have to consider Sonar. <g> ... Actually, you can get VS3 in a standalone version here.
    What does the unison do again? I can hear a dirtier sound, but technically what is it doing?
    You're tripling the note on fingered by your KB or recorded MIDI note by adding two additional internal oscillators with an identical pitch and waveform. Detune works in conjunction with Unison to spread the additional pitches for a detuned/chorusing effect. You can set up Osc 1, 2, & 3 and adjust the Fine controls for a similar effect. Note that this adds to your processing overhead and is limited by your overall polyphony. I don't know the exact relationship, but at lower settings, the Polyphony in the readout seems unrelated. I would suspect that you'd notice voice-stealing after a Polyphony number of 24 or so with the Unison on (24 voices X 3 > 64 voice maximum).
    Is this assignable? Is there somewhere that says 5 second delay?
    It is adjustable with the EG 2 Delay slider, and gets assigned to the Destinations in the Modulation section of the EG. The tooltip over the Delay slider says 4857.8 ms. (~4.9 seconds). Again, artistic license: I rounded it up to five seconds.
    (Crazy! I'm lost... EG 2 shows us that Lev-03 (which is OSC 3) is heavily modulated in Dest1 but not Dest2. Does this mean amplitude is modulated? The LFO is modulated by pitch. So that means that pitch is modulated over time...but how is the pitch controlled? How do we make it go up or down of alternate? Also, in EG 3 how is it that pitch only modulates OSC 3 and no others?)
    Only one Destination is chosen in EG 2, and that is the level of Osc 3 only. This overrides the overall amplitude envelope set in the EG A for Osc 3 (but still depends on the EG A settings if those settings are too 'short'), but none of the other oscillators in this configuration. Were another Destination chosen in the second slot of EG 2, the second Depth control there comes into play. Choosing a Lev (X) as a Destination allows control over that Desination whether or not the EG Level Sensitivity knob is greater than 0%; it'll control that oscillator's level regardless.

    The LFO is modulating the Pitch of any oscillator the has it's LFO Sensitivity knob greater than 0%; in this patch, that's only Osc 3 @ 100%. The confusing part here is due to that 5 second Delay in EG 2. You really have to hold a note to hear this patch develop.

    Disable all the oscillators except Osc 3, and lower the Delay time in EG 2 to zero. You'll clearly hear the trill created by the square wave in LFO 1 suddenly jump in Pitch after the 2297.3 ms. Delay time set in EG 3. All the settings in LFO 1 control the rapid pitch fluctuations. Change the sliders/knobs there to change up the trill sound. The gradual downward pitch sweep follows the EG 3 envelope (and a subsequent jump up in pitch much later). The sweep only affects Osc 3 because that's the only Osc with it's EG Sens knob under Mod Sens that's greater than 0%.
    OH MY! THATS THE FREAKIN BOMB DUDE!!! HOW DID YOU COME UP WITH THIS!?!?!
    Just like I wrote in the original tutorial: A couple of quick adjustments will completely change the character of any patch. The important thing is to get your head around what each control does, and change only one at a time while you're learning. That method makes the patch easily restored (or Replace Synth in P5 with the same synth, and navigate back to the patch). It also keeps the confusion down, as some adjustments will result in no sound, or no audible change due to it's dependence on another parameter.
    Can you explain why this reverses??
    The Amount sets the maximum modulation level in the EG. Double click on the Amount slider in EG A. You'll hear no sound, because the maximum level is set to 0%. Gradually increasing this Amount gives more and more control over the amplitude to EG A. Going in a negative direction towards -100% in the Amount inverts the polarity of the envelope. It may be more descriptive in this patch to invert the polarity (-100%) of EG 1, instead, and listen to how the upward Cutoff Frequency sweeps of the filters are now sent downward. If you listen carefully, you can hear the filter freqs jump up after the Release portion of the envelope (Note Off, or after you lift your fingers from the KB controller).
    THANKS B!!
    Anytime, Greg. It's encouraging to note that you've completed twice as many of my tutorials as ...
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