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Forums > C64 Composing > need help!
2005-05-30 11:29
Bamu®
Account closed

Registered: May 2005
Posts: 1332
need help!


I do at the moment a cover version (or maybe a Remix?) from (\VARIOUS\A-F\ADSR\Cane\Phobos.sid)
Yesterday I already converted all original instruments, except one on channel 3: It has ADSR 0040 with no Hard-restart, and waveform is Triangle
(starts at 00:02.17 min). Song-speed is 704 (Gt-tracker), like the original one.
I really can't understand how Cane made this fast pitch changes every frame and how he controlled them without making one big wavetable (several several 100 frames) that contains the complete pitches for nearly 8 seconds (before it loops)
2005-06-09 23:57
silpheed
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Registered: May 2005
Posts: 3
I guess the first question is... Are you sure that you have the speed right.?

It sounds to me like it was done as individual notes in a sequence rather than an Arp table.

Judging by the release date of the tune, I think it is safe to assume that he didn't use GoatTracker. So my guess is that he was using a double (or triple?) speed player such as the one that JCH wrote.

Try doubling the speed of your GT tune. If it is already maxed then you may have encountered one of the limitations of GT.

I'm a SID / JCH newbie so I may be wrong here but seeing as nobody else took a swing at your Q, I thought I'd have a go.
2005-06-10 00:22
CreaMD

Registered: Dec 2001
Posts: 3035
Afaik. Cane was using a brilliant Grabowski player. That explains a lot ;-) That fast changing background in the beginning of the tune is (I'm just guessing) made with hardrestart switched off and gate on, maybe even some sliding is used? Or do you mean something else?
2005-06-10 12:59
Bamu®
Account closed

Registered: May 2005
Posts: 1332
@silpheed and @CreaMD

speed (GT/ 704) is 100% correct...
and he used a single-speed-player

I composed already 1.30 min and it sounds 99% identical.
Moreover I converted the "instrument" as two (big!!) wavetables (slide up, and down) - and it works ;-)
but im sure, Cane had a better way to create this sound.

Here, the wavetable (it takes 198 bytes) :-(
This is the only way I found in GT.


ADSR: 0040

wf Tr

11 Ac
11 Ba
11 80
11 80
11 C5
11 Bc
11 80
11 80
11 C8
11 Bd
11 80
11 80
11 C9
11 Bf
11 80
11 80
11 Cb
11 Bc
11 80
11 80
11 C8
11 Bd
11 80
11 80
11 C9
11 Bf
11 80
11 80
11 Cb
11 C1
11 80
11 80
11 Cd
11 Bd
11 80
11 80
11 C9
11 Bf
11 80
11 80
11 C9
11 Bf
11 80
11 80
11 Cb
11 C1
11 80
11 80
11 Cd
11 C4
11 80
11 80
11 D0
11 Bf
11 80
11 80
11 Cb
11 C1
11 80
11 80
11 Cd
11 C4
11 80
11 80
11 D0
11 C6
11 80
11 80
11 D2
11 C1
11 80
11 80
11 Cd
11 C4
11 80
11 80
11 Cd
11 C4
11 80
11 80
11 D0
11 C6
11 80
11 80
11 D2
11 C9
11 80
11 80
11 D5
11 C4
11 80
11 80
11 D0
11 C6
11 80
11 80
11 D1
11 C9
11 80
11 80
11 D5
11 Cb
11 80
11 80
11 D7
11 C6
11 80
11 80
11 D2
11 C9
11 80
11 80
11 D5
11 Cb
11 80
11 80
11 D7
11 Cd
11 80
11 80
11 D9
11 C9
11 80
11 80
11 D5
11 Cb
FF 00
2005-06-10 13:30
Turtle
Account closed

Registered: Jan 2002
Posts: 70
hi nata,

just a quick thought to 'compress' the wavetable, although I'm sure that there's a different way to achieve the desired sound.

Just identify the identical

11 xx
11 yy
11 80
11 80
11 ff

parts and just make 'on the fly' instrument changes like

00 A-201000
01 ---02000
01 ---03000
01 ---02000
01 ---04000
01 ---01000
01 ---03000
01 ---05000
...

As the number of frames per step equals the steps of each wavetable (until ff) GT should use the new wavetable right at the start of the new step.

Anyway, it's just a quick thought ...

Turtle
2005-06-10 17:44
Bamu®
Account closed

Registered: May 2005
Posts: 1332
Hey, good Idea!
2005-06-10 19:09
Turtle
Account closed

Registered: Jan 2002
Posts: 70
Hmm, not really!!!

I just tried the first sequences and discovered that one has to loop the wavetable (i.e. FF 01 at the end).

But nevertheless I haven't had a deja vu according to Cane's tune. It's more something like ooouuuuhhhh!! (Hey, it's friday eve and a hard week lies behind me, so don't take my comments too serious).


Keep on trying,

Turtle
2005-06-12 14:21
Bamu®
Account closed

Registered: May 2005
Posts: 1332
"C64 IDE HDD MUSIC-PLAYER v2.5" says, it is "GRABOWSKY 1"
Is this Graffity's DMC? Which version?
2005-06-17 08:22
Stryyker

Registered: Dec 2001
Posts: 465
Not DMC. Much different system. Grabowski had his own player. Some funky music made in it but not anywhere as user friendly as the DMC series.
2005-06-17 11:24
Clarence

Registered: Mar 2004
Posts: 119
Afaik Cane and Dos used the Sosperec editor by Grabowsky.
2005-06-17 12:56
CreaMD

Registered: Dec 2001
Posts: 3035
Quote: Afaik Cane and Dos used the Sosperec editor by Grabowsky.


Exactly. Fabulous sound.
 
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