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#1628646 - 09/09/19 02:39 AM VS840 as slave
Viper254 Offline
Planeteer


Registered: 08/27/19
Posts: 94
Loc: West Midlands, UK
Hi!

Hope all's good. Got a local festival coming up at Christmas (back of a pub, rubbish bands (inc mine), lots of beer) and I'd quite like to record the night if I can - I've got very few live shows on tape and a couple of the other bands on the bill are pretty new and would probably like the tracks for themselves.

I've got the four inputs on my VS880, but I'm able to borrow a VS840 from a friend that's had the CF card conversion.

Has anybody successfully used a VS840 as a slave to the VS880 using MMC?

I'm looking at probably 3 mics on the drums, a DI from the bass amp, couple of 57s on guitar amps and a line from the main mixing desk for the vocals. Knowing the guy doing the mixing, I'd be lucky to get two seperate outs from him for vox, though I might get lucky.
_________________________
VS1680
VS880 (original model, CF conversion)
Boss BR532
Lexicon Omega interface
Mixing in Ardour on Lubuntu

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#1628694 - 09/09/19 12:25 PM Re: VS840 as slave [Re: Viper254]
uptildawn Offline
Planeteer


Registered: 12/15/01
Posts: 8379
Loc: Iowa
Look up how to synchronize using MTC - instead of MMC.
It's typical to use MTC to lock a pair of VS recorders together.
One is set as master and controls start/stop/rec functions on both machines, when operated from the MASTER transport controls.

(Don't operate the slave transport controls separately, without disengaging MIDI sync, or it messes with the sync.)

Pg 165 of the 840gx pdf manual and pg 116 of the pdf 880 manual should be the MIDI sync sections... or thereabouts.

It's fairly painless for simply syncing the 2 machines and recording. But I strongly advise that you spend an hour or two - not at the gig - learning how this works. It can seem confusing and it has little quirks (like being sure to allow for a few seconds of "pre-roll" while the two machines lock in place), but it's totally doable.

Monitoring the audio takes some figuring out, if you plan on listening through speakers (personally, I wouldn't bother during the live recording and just use headphones, switching between machines to check as you need to) and playing back in between recording takes briefly messes up the midi sync - make sure you set TAP markers at the end of each recording take, so you can quickly jump back to where you left off, if you should want to check the playback between recording takes. And then remember that midi sync takes a few heartbeats to lock, when you start recording again, so don't expect to hit record right on a count-in or something.

Best advice is to experiment for a couple hours, putting it through its paces and you will quickly get the hang of it and be ready for the live recording without having to sweat about it so much.
_________________________
uptildawn

2013 Iowa City JazzFest sets!
Dr Lonnie Smith Trio w/Jonathan Kreisberg on guitar
Pharoah Sanders Quartet
Fred Hersch Trio
These are post mixes set to single camera video (by Rich Rauch).

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#1628799 - 09/10/19 02:55 AM Re: VS840 as slave [Re: uptildawn]
Viper254 Offline
Planeteer


Registered: 08/27/19
Posts: 94
Loc: West Midlands, UK
 Originally Posted By: uptildawn
Look up how to synchronize using MTC - instead of MMC.
It's typical to use MTC to lock a pair of VS recorders together.
One is set as master and controls start/stop/rec functions on both machines, when operated from the MASTER transport controls.

(Don't operate the slave transport controls separately, without disengaging MIDI sync, or it messes with the sync.)

Pg 165 of the 840gx pdf manual and pg 116 of the pdf 880 manual should be the MIDI sync sections... or thereabouts.

It's fairly painless for simply syncing the 2 machines and recording. But I strongly advise that you spend an hour or two - not at the gig - learning how this works. It can seem confusing and it has little quirks (like being sure to allow for a few seconds of "pre-roll" while the two machines lock in place), but it's totally doable.

Monitoring the audio takes some figuring out, if you plan on listening through speakers (personally, I wouldn't bother during the live recording and just use headphones, switching between machines to check as you need to) and playing back in between recording takes briefly messes up the midi sync - make sure you set TAP markers at the end of each recording take, so you can quickly jump back to where you left off, if you should want to check the playback between recording takes. And then remember that midi sync takes a few heartbeats to lock, when you start recording again, so don't expect to hit record right on a count-in or something.

Best advice is to experiment for a couple hours, putting it through its paces and you will quickly get the hang of it and be ready for the live recording without having to sweat about it so much.


Thankyou for the detailed response - I had MTC and MMC the wrong way around, as I was aiming to get the transports locked as you suggest.

I'll have to see what I can come up with in regards to monitoring - headphones are the route I would have gone down as well.

I'll spend an evening with the two machines at home, and also in the rehearsal studio the week before; that should help me iron out any kinks, I hope.

The last time I recorded a live gig was with two minidisc machines, so I'm hoping this can only be simpler!

Thanks again \:\)
_________________________
VS1680
VS880 (original model, CF conversion)
Boss BR532
Lexicon Omega interface
Mixing in Ardour on Lubuntu

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