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| Clocking issues - need some help [message #76656] |
Sat, 02 December 2006 19:46  |
Nei
Messages: 108
Registered: November 2006
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Senior Member |
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OK, so my system ***WAS*** rock-solid stable with the RME cards
until either:
a.) Deej jinxed it by talking abou how unstable his system was
with RME hardware vs' the Pulsar stuff, my system heard about
it, got jealous for new hardware too, and started purposely
fucking up so I'd buy it a new present too (LOL).
b.) When I installed the Pulsar ASIO drivers, then de-installed
them, something went wrong on the de-install & maybe that
driver's still interfering with things somehow (but I can't
find it, so I kinda doubt this is the case).
c.) When I recently reconfigured my setup, I had to get some
new BNC cables for my Word Clock since the other ones were too
short. I have a feeling it has something to with this, rather
than the other two possiblities.
1.) The cables are all 12 feet long... not too long
according to the Lucid wesbite (I have a Genx6-96) where they
recommend no longer than 15 feet.
2.) The cables are RG58A... I believe this is 50-Ohm... would
that make a difference & cause jitter from hell?
3.) I never bothered terminating the Multifaces before, and
never had a problem... should I be terminating the outputs?
Could the longer cables be making a difference in whether I
should be terminating the WC-outs on the RME's?
'preciate any help
Neil
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| Re: Clocking issues - need some help [message #76657 is a reply to message #76656] |
Sat, 02 December 2006 19:02  |
DJ
Messages: 1124
Registered: July 2005
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Senior Member |
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Neil,
First things first. Pick up your clock and move it close enough to your
Multiface units to try the old cables. If you're good with them then there's
you problem. I've lived in clocking hell long enough to know that one funky
cable can drive you nuts..unless,of course, you want to be up all night and
then try this as a last resort.
;o)
"Nil" <OIUOI@OIU.com> wrote in message news:45723a96$1@linux...
>
> OK, so my system ***WAS*** rock-solid stable with the RME cards
> until either:
>
> a.) Deej jinxed it by talking abou how unstable his system was
> with RME hardware vs' the Pulsar stuff, my system heard about
> it, got jealous for new hardware too, and started purposely
> fucking up so I'd buy it a new present too (LOL).
>
> b.) When I installed the Pulsar ASIO drivers, then de-installed
> them, something went wrong on the de-install & maybe that
> driver's still interfering with things somehow (but I can't
> find it, so I kinda doubt this is the case).
>
> c.) When I recently reconfigured my setup, I had to get some
> new BNC cables for my Word Clock since the other ones were too
> short. I have a feeling it has something to with this, rather
> than the other two possiblities.
> 1.) The cables are all 12 feet long... not too long
> according to the Lucid wesbite (I have a Genx6-96) where they
> recommend no longer than 15 feet.
> 2.) The cables are RG58A... I believe this is 50-Ohm... would
> that make a difference & cause jitter from hell?
> 3.) I never bothered terminating the Multifaces before, and
> never had a problem... should I be terminating the outputs?
> Could the longer cables be making a difference in whether I
> should be terminating the WC-outs on the RME's?
>
> 'preciate any help
>
> Neil
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| Re: Clocking issues - need some help [message #76661 is a reply to message #76657] |
Sat, 02 December 2006 21:39 |
Neil
Messages: 1645
Registered: April 2006
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Senior Member |
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Well, I will try this, but ideally Ineed the 12-ft cables
regardless, so I'm wodnering if the 50-ohm ones (vs. the 75-
ohms that I've seen most WC cables made up of) are what's
causing the problem - or at least COULD be what's causing it.
Neil
"DJ" <nowayjose@dude.net> wrote:
>Neil,
>
>First things first. Pick up your clock and move it close enough to your
>Multiface units to try the old cables. If you're good with them then there's
>you problem. I've lived in clocking hell long enough to know that one funky
>cable can drive you nuts..unless,of course, you want to be up all night
and
>then try this as a last resort.
>
>;o)
>
>"Nil" <OIUOI@OIU.com> wrote in message news:45723a96$1@linux...
>>
>> OK, so my system ***WAS*** rock-solid stable with the RME cards
>> until either:
>>
>> a.) Deej jinxed it by talking abou how unstable his system was
>> with RME hardware vs' the Pulsar stuff, my system heard about
>> it, got jealous for new hardware too, and started purposely
>> fucking up so I'd buy it a new present too (LOL).
>>
>> b.) When I installed the Pulsar ASIO drivers, then de-installed
>> them, something went wrong on the de-install & maybe that
>> driver's still interfering with things somehow (but I can't
>> find it, so I kinda doubt this is the case).
>>
>> c.) When I recently reconfigured my setup, I had to get some
>> new BNC cables for my Word Clock since the other ones were too
>> short. I have a feeling it has something to with this, rather
>> than the other two possiblities.
>> 1.) The cables are all 12 feet long... not too long
>> according to the Lucid wesbite (I have a Genx6-96) where they
>> recommend no longer than 15 feet.
>> 2.) The cables are RG58A... I believe this is 50-Ohm... would
>> that make a difference & cause jitter from hell?
>> 3.) I never bothered terminating the Multifaces before, and
>> never had a problem... should I be terminating the outputs?
>> Could the longer cables be making a difference in whether I
>> should be terminating the WC-outs on the RME's?
>>
>> 'preciate any help
>>
>> Neil
>
>
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| Re: Clocking issues - need some help [message #76681 is a reply to message #76661] |
Sun, 03 December 2006 12:53 |
Neil
Messages: 1645
Registered: April 2006
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Senior Member |
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OK, reconfigured things so that the Word Clock is closer to
right in the middle between the devices that need to be clocked
& went back to the 75-Ohm (and shorter) cables... it's working
jitter-free now.
SO... if anyone didn't know this already: do NOT use 50-ohm
RG58 BNC cables for Word Clocking!
Neil
"Neil" <OIUOIU@OI.com> wrote:
>
>Well, I will try this, but ideally Ineed the 12-ft cables
>regardless, so I'm wodnering if the 50-ohm ones (vs. the 75-
>ohms that I've seen most WC cables made up of) are what's
>causing the problem - or at least COULD be what's causing it.
>
>Neil
>
>
>
>"DJ" <nowayjose@dude.net> wrote:
>>Neil,
>>
>>First things first. Pick up your clock and move it close enough to your
>
>>Multiface units to try the old cables. If you're good with them then there's
>
>>you problem. I've lived in clocking hell long enough to know that one funky
>
>>cable can drive you nuts..unless,of course, you want to be up all night
>and
>>then try this as a last resort.
>>
>>;o)
>>
>>"Nil" <OIUOI@OIU.com> wrote in message news:45723a96$1@linux...
>>>
>>> OK, so my system ***WAS*** rock-solid stable with the RME cards
>>> until either:
>>>
>>> a.) Deej jinxed it by talking abou how unstable his system was
>>> with RME hardware vs' the Pulsar stuff, my system heard about
>>> it, got jealous for new hardware too, and started purposely
>>> fucking up so I'd buy it a new present too (LOL).
>>>
>>> b.) When I installed the Pulsar ASIO drivers, then de-installed
>>> them, something went wrong on the de-install & maybe that
>>> driver's still interfering with things somehow (but I can't
>>> find it, so I kinda doubt this is the case).
>>>
>>> c.) When I recently reconfigured my setup, I had to get some
>>> new BNC cables for my Word Clock since the other ones were too
>>> short. I have a feeling it has something to with this, rather
>>> than the other two possiblities.
>>> 1.) The cables are all 12 feet long... not too long
>>> according to the Lucid wesbite (I have a Genx6-96) where they
>>> recommend no longer than 15 feet.
>>> 2.) The cables are RG58A... I believe this is 50-Ohm... would
>>> that make a difference & cause jitter from hell?
>>> 3.) I never bothered terminating the Multifaces before, and
>>> never had a problem... should I be terminating the outputs?
>>> Could the longer cables be making a difference in whether I
>>> should be terminating the WC-outs on the RME's?
>>>
>>> 'preciate any help
>>>
>>> Neil
>>
>>
>
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| Re: Clocking issues - need some help [message #76763 is a reply to message #76761] |
Mon, 04 December 2006 17:51 |
Nil
Messages: 245
Registered: March 2007
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Senior Member |
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Oh, OK, I thought meant you had a separate Worldclock card for
the PC ITSELF (i.e. separate from the convertors).
(Which actually, would not be a bad idea if there WAS such a
thing - since computers always want to try to default to 44.1,
even when you disable every onboard audio thingy).
Neil
EK Sound <askme@nospam.com> wrote:
>RME HDSP9652's in the Nuendo computer, W/C in. The one to the Paris
>computer was also for a 9652... but it's in my office right now... I
>have the extra RME card just in case I needed to do a sys-link job
>with Nuendo.
>
>David.
>
>Neil wrote:
>> Dave,it turned out to be the 50-ohm cables that were the problem... but
one
>> question:
>>
>> I noticed that your diagram shows a word clock line into the
>> Paris COMPUTER and Nuendo COMPUTER in addition to the ones for
>> the MEC & RME convertors... how are you word-clocking the
>> computer itself?
>>
>> Neil
>>
>>
>> EK Sound <askme@nospam.com> wrote:
>>
>>>I am using various WC cable lengths from 12" to 35' (35' for the HD
>>>run) here with ZERO problems... but they are all home made 75 Ohm
>>>Canare LV-61S with proper crimp ends. Here is a pdf of the current
>>>signal flow for the room.
>>>
>>>David.
>>>
>>>Neil wrote:
>>>
>>>>Well, I will try this, but ideally Ineed the 12-ft cables
>>>>regardless, so I'm wodnering if the 50-ohm ones (vs. the 75-
>>>>ohms that I've seen most WC cables made up of) are what's
>>>>causing the problem - or at least COULD be what's causing it.
>>>>
>>>>Neil
>>>>
>>>>
>>>>
>>>
>>
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| Re: Clocking issues - need some help [message #76765 is a reply to message #76763] |
Mon, 04 December 2006 17:17 |
EK Sound
Messages: 939
Registered: June 2005
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Senior Member |
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Also the green lines are sometimes more than one cable (HD uses 6
optical lines, Nuendo another 6...)
Neil wrote:
> Oh, OK, I thought meant you had a separate Worldclock card for
> the PC ITSELF (i.e. separate from the convertors).
>
> (Which actually, would not be a bad idea if there WAS such a
> thing - since computers always want to try to default to 44.1,
> even when you disable every onboard audio thingy).
>
> Neil
>
>
>
> EK Sound <askme@nospam.com> wrote:
>
>>RME HDSP9652's in the Nuendo computer, W/C in. The one to the Paris
>>computer was also for a 9652... but it's in my office right now... I
>>have the extra RME card just in case I needed to do a sys-link job
>>with Nuendo.
>>
>>David.
>>
>>Neil wrote:
>>
>>>Dave,it turned out to be the 50-ohm cables that were the problem... but
>
> one
>
>>>question:
>>>
>>>I noticed that your diagram shows a word clock line into the
>>>Paris COMPUTER and Nuendo COMPUTER in addition to the ones for
>>>the MEC & RME convertors... how are you word-clocking the
>>>computer itself?
>>>
>>>Neil
>>>
>>>
>>>EK Sound <askme@nospam.com> wrote:
>>>
>>>
>>>>I am using various WC cable lengths from 12" to 35' (35' for the HD
>>>>run) here with ZERO problems... but they are all home made 75 Ohm
>>>>Canare LV-61S with proper crimp ends. Here is a pdf of the current
>>>>signal flow for the room.
>>>>
>>>>David.
>>>>
>>>>Neil wrote:
>>>>
>>>>
>>>>>Well, I will try this, but ideally Ineed the 12-ft cables
>>>>>regardless, so I'm wodnering if the 50-ohm ones (vs. the 75-
>>>>>ohms that I've seen most WC cables made up of) are what's
>>>>>causing the problem - or at least COULD be what's causing it.
>>>>>
>>>>>Neil
>>>>>
>>>>>
>>>>>
>>>>
>
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| Re: Clocking issues - need some help [message #76767 is a reply to message #76765] |
Mon, 04 December 2006 17:56 |
DJ
Messages: 1124
Registered: July 2005
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Senior Member |
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I'm glad someone else here is as crazy as I am.
;o)
"EK Sound" <askme@nospam.com> wrote in message news:4574c643$1@linux...
> Also the green lines are sometimes more than one cable (HD uses 6 optical
> lines, Nuendo another 6...)
>
> Neil wrote:
>
>> Oh, OK, I thought meant you had a separate Worldclock card for
>> the PC ITSELF (i.e. separate from the convertors).
>>
>> (Which actually, would not be a bad idea if there WAS such a
>> thing - since computers always want to try to default to 44.1,
>> even when you disable every onboard audio thingy).
>>
>> Neil
>>
>>
>>
>> EK Sound <askme@nospam.com> wrote:
>>
>>>RME HDSP9652's in the Nuendo computer, W/C in. The one to the Paris
>>>computer was also for a 9652... but it's in my office right now... I have
>>>the extra RME card just in case I needed to do a sys-link job with
>>>Nuendo.
>>>
>>>David.
>>>
>>>Neil wrote:
>>>
>>>>Dave,it turned out to be the 50-ohm cables that were the problem... but
>>
>> one
>>
>>>>question:
>>>>
>>>>I noticed that your diagram shows a word clock line into the
>>>>Paris COMPUTER and Nuendo COMPUTER in addition to the ones for
>>>>the MEC & RME convertors... how are you word-clocking the
>>>>computer itself?
>>>>
>>>>Neil
>>>>
>>>>
>>>>EK Sound <askme@nospam.com> wrote:
>>>>
>>>>
>>>>>I am using various WC cable lengths from 12" to 35' (35' for the HD
>>>>>run) here with ZERO problems... but they are all home made 75 Ohm
>>>>>Canare LV-61S with proper crimp ends. Here is a pdf of the current
>>>>>signal flow for the room.
>>>>>
>>>>>David.
>>>>>
>>>>>Neil wrote:
>>>>>
>>>>>
>>>>>>Well, I will try this, but ideally Ineed the 12-ft cables
>>>>>>regardless, so I'm wodnering if the 50-ohm ones (vs. the 75-
>>>>>>ohms that I've seen most WC cables made up of) are what's
>>>>>>causing the problem - or at least COULD be what's causing it.
>>>>>>
>>>>>>Neil
>>>>>>
>>>>>>
>>>>>>
>>>>>
>>
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