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Elektron-Users Elektron Forum Elektron Gear MD SPS-1 Timing Performance Issues (1 viewing)
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TOPIC: MD SPS-1 Timing Performance Issues
#17909
Game & Watch
Posts: 2350
Re: MD SPS-1 Timing Performance Issues 17 Years, 2 Months ago
Niall,

What is the worst deviation in yr sample, i spotted one of 1.5milli-secs when I had a quick look. As far as I can see the worst deviations between the L and R seems to be about 66/65 samples (rough check).

Cheers

R.
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#17910
Posts: 0
Re: MD SPS-1 Timing Performance Issues 17 Years, 2 Months ago
I haven't looked at the numbers in that file. The drift is audible in headphones, so I left it at that.
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#17911
Posts: 0
Re: MD SPS-1 Timing Performance Issues 17 Years, 2 Months ago
amen to that
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#17912
Game & Watch
Posts: 2350
Re: MD SPS-1 Timing Performance Issues 17 Years, 2 Months ago
doh!!

I didn't actually listen to it, just dropped it straight into soundforge.
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#17914
Boo
Posts: 173
Re: MD SPS-1 Timing Performance Issues 17 Years, 2 Months ago

niall wrote:

rudebop wrote:
I dont know what kind of DSP?s are used in the MD... but the machine is doing quite a lot of sounds with just 2 dsp?s...


They're bog-standard, 56k Motorolas, IIRC. Not that I've looked inside, or anything!



So the same as in a nord modular..where we have acurate timing..but we would have to realize the MD in 2 slots..
so 8 machines per slot..sequencing is external... this is probably done in the processor of the md not inside the dsp?s

so 16 filters per slot.. 8 sat moduls...8 sr reduction modules 16 envelopes 16 oscilators, 16 eq modules, 8 lfo?s as a rough minimum...
maybe possible ...

A md emulation on the nord? ) maybe a fun projekt just to see what it takes..but with acurate sound modeling you never get 8 machines in one slot......
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#17921
Kong
Posts: 1312
mr. applehead
Re: MD SPS-1 Timing Performance Issues 17 Years, 2 Months ago
MD dont take nearly as long to change kits as the nord modular does to change patches, they got that right anyway
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#17922
Goomba
Posts: 13
Re: MD SPS-1 Timing Performance Issues 17 Years, 2 Months ago
Hey - great thread - wondered when a serious discussion about the loss of good timing in our tools might actually be had somewhere. Why there are so many doubters these days as to the significance it has in what we do astounds me.

Lets hope Elektron see the light and take us back to the future.

I've been waiting.......

A.
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#17924
Boo
Posts: 173
Re: MD SPS-1 Timing Performance Issues 17 Years, 2 Months ago

neonleg wrote:
MD dont take nearly as long to change kits as the nord modular does to change patches, they got that right anyway


True..buts not right away..it morphs somehow.. quickly..but not right away...
probably one DSp holds the infrastructure with all basic parameters and fx and dont needs to be recompiled, while the other actually holds the sound machines..
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#17994
King Koopa
Posts: 242
0
Re: MD SPS-1 Timing Performance Issues 17 Years, 2 Months ago
Been busy - plenty of views, not many posts - anyone got anything concrete from Elektron yet? I've decided to sell my SPS-1 in the meantime and when they fix the timing engine I'll buy a UW. $950 USD. If anyone wants my pristine (original plastic still on the LCD Cover), well cared for, non-gigged SPS-1 with original manual and in the original box - let me know - either here or at david@innerclocksystems.com
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#18018
King Koopa
Posts: 242
0
Re: MD SPS-1 Timing Performance Issues 17 Years, 2 Months ago

nkirchner wrote:
Maybe they had nothing nice to say about your method of "testing" so they chose to say nothing?

"If Digital Audio was that poor as to misrepresent such coarse variations in signal it would be unusable to record music in the first place"

People recorded on tape for years... Tape was/is so famous for its speed up/down during record and playback that people have gone to great lengths to create plug-ins simulating it.


Based on my professional experience it is my opinion that whilst the machines in questions quite possible have timing issues the method outline to quantify these timing issues is flawed.


Just in case you missed it Nathan - Elektron R&D made the following comment - 'There is nothing wrong with your method of measuring the jitter, any fully working sound card will do'

I'm sort of surprised I hadn't had any acknowledgement from yourself, Ziggy, DLX and all the others who slagged off my methods and refused to take anything less than lab grade scopes as evidence of timing errors in the SPS-1. Then again - it's not that surprising considering it was common sense in the first place. Still - if I'm wrong about something - I will always do my best to say so. Different strokes I guess. For those of you with a brain and still interested - this is a good lesson in how you need to filter what is real on the internet and forums like this one. There are plenty of posts on this thread that seem so quick and sure to dismiss my initial findings that they must be taken seriously. The eventual reply from Elektron both agreeing with the findings and the method to get them shows that many people with not much knowledge make a lot of noise that is not worth tuning into for the most part. Keep it tight. Regards - David.
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