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#1584066 - 09/08/18 02:31 PM Conecting Tascam DM-24 and Roland VSR 880 via Optic toslink
Aleksandar Offline
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Registered: 09/08/18
Posts: 5
Loc: Serbija
Hi, I am Aeksandar and I am the new owner of the wonderful device Roland VSR 880 digital recorder and I have one question. When I connect the Tascam DM24 digital mixer ( Digital OUT), over the optical cable( toslink) with Digital IN to the Roland VSR 880, nothing happens! Somebody could explain to me, step by step, how to set up these two devices, so I could record simultaneously 8 channels from the Tascam DM 24 to the Roland VSR 880 ????Any help would make me very useful !! Thank you
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#1584073 - 09/08/18 03:22 PM Re: Conecting Tascam DM-24 and Roland VSR 880 via Optic toslink [Re: Aleksandar]
uptildawn Offline
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Registered: 12/15/01
Posts: 8508
Loc: Iowa
Hi - welcome! Hope you find quick and simple solution.

First thing I discover when looking at and comparing the two units digital connections is that although the VSR has R-Bus and can accept 8-ch record inputs at once, the DM-24 does not have R-Bus. That means that R-Bus will not be a direct 8-track recording solution.

Whether or not there are digital conversion/adapters that you can use to send the Tascam's available digital outputs to the VSR's R-Bus is beyond my knowledge. I don't want to get your expectations up unnecessarily, but maybe you could look into that possibility more?

It may be that you will be limited to just the 2-channel spdif digital ins and outs. I believe that the toslink/optical cable connection you tried to establish is limited to just 2 channels... Download a copy of each manual and read up on this to get the correct details - you will also find the instructions on the proper settings to complete a digital connection in the VSR manual - I think I read that it is in the section on Recording Digital Signals (or something to that effect). I'm sure the Tascam manual will also precisely explain the use of all of its digital ins and outs. Tascam writes good manuals.

Or you may have to connect via the analog ins and outs, if 8 tracks of simultaneous recording is your goal.
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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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#1584122 - 09/09/18 05:02 AM Re: Conecting Tascam DM-24 and Roland VSR 880 via Optic toslink [Re: uptildawn]
Aleksandar Offline
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Registered: 09/08/18
Posts: 5
Loc: Serbija
Thank you very much for the first answer, I hope there will be more !! Okay, but I'm specifically asking if the Toslink optical cable can pass 8 channels from Tascam DM 24 to the Roland VSR 880? As far as I'm concerned, Toslink optical cables support the sending and receiving of 8 channels on devices ( my home sisem currently connected: Tascam DM 24, with the PC audio card E-MU 1212 M and it works perfectly !!) The digital SPDIF connection transmits only two signals, (L and R), so it's not clear to me, why in this case, the optical transmission does not work ? I leave a possibility of error in setting the device, so I'm asking the question! Does the Roland VSR 880 generally transmit and receive 8 channels or is it possible to do only using R-Bus connection?
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#1584125 - 09/09/18 08:59 AM Re: Conecting Tascam DM-24 and Roland VSR 880 via Optic toslink [Re: Aleksandar]
roland880vsrhd Offline
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Registered: 06/22/17
Posts: 496
Welcome! When you say “nothing happens “ do you mean that you get no signal to the vsr? If so check out page 114 of the Owners Manual. It shows you how to select the input source. The default settings are the individual rca track inputs. So if you don’t have the digital R Bus input selected that could be a possible cause. Owners manual is easily downloaded from the Roland website. If you don’t already have them download the user guide also, it can be quite useful.
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#1584127 - 09/09/18 09:48 AM Re: Conecting Tascam DM-24 and Roland VSR 880 via Optic toslink [Re: Aleksandar]
uptildawn Offline
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Registered: 12/15/01
Posts: 8508
Loc: Iowa
 Originally Posted By: Aleksandar
...Does the Roland VSR 880 generally transmit and receive 8 channels or is it possible to do only using R-Bus connection?


No, the VSR880 optical is 2-ch spdif only. Unfortunately, the same cable style and connectors are used for both ADAT 8-ch and spdif 2-ch and can cause confusion like this - it did for me the first time I considered it, too, so you're not alone in that assumption.

You must use R-Bus to pass 8-ch digital with the VSR880.
_________________________
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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#1584129 - 09/09/18 10:28 AM Re: Conecting Tascam DM-24 and Roland VSR 880 via Optic toslink [Re: roland880vsrhd]
Aleksandar Offline
Space Cadet


Registered: 09/08/18
Posts: 5
Loc: Serbija
Yes, I meant it when I said nothing was happening, I do not have any signal that I send signal from Tascam DM 24 to the Roland VSR 880. I do not know why you refer me to page 114 User Manual, I read page 114, when there are explanations for device synchronization and MIDI connection !! ?? I have very clearly asked, do optical Toslink IN / OUT connectors on the Roland VSR 880 send/receive 8 channels signal !?
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#1584133 - 09/09/18 10:37 AM Re: Conecting Tascam DM-24 and Roland VSR 880 via Optic toslink [Re: uptildawn]
Aleksandar Offline
Space Cadet


Registered: 09/08/18
Posts: 5
Loc: Serbija
All right, thanks for the answer !! I do not understand why the optical Toslink IN / OUT has been set up on the Roland VSR 880, when it does not actually perform the function you need, because the transfer of two channels already has SPDIF connectors, so this is completely confusing !!! Thanks again for clarification and a precise answer!
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#1584140 - 09/09/18 11:30 AM Re: Conecting Tascam DM-24 and Roland VSR 880 via Optic toslink [Re: Aleksandar]
uptildawn Offline
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Registered: 12/15/01
Posts: 8508
Loc: Iowa
It's not Roland's doing. There are two standard practices for the use of toslink. One is for 2-ch spdif and the other for ADAT 8-ch.

Many products contain toslink connectors, but only provide spdif and not ADAT. It's origins are in the consumer vs. pro mindset.
The VS recorder was designed with the home studio user in mind at a time when portable digital multitrack was at its infancy, with Roland being at the forefront of the movement. It was marketed specifically to the amateur and prosumer user.

ADAT was developed primarily for the convenience of passing 8 channels of audio back and forth for use with the 8 channel pro-level ADAT recorders, which spawned an industry of racks of ADATs replacing giant tape machines and reels and reels of tape in pro studio environments.
_________________________
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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#1584155 - 09/09/18 01:21 PM Re: Conecting Tascam DM-24 and Roland VSR 880 via Optic toslink [Re: uptildawn]
Aleksandar Offline
Space Cadet


Registered: 09/08/18
Posts: 5
Loc: Serbija
Yes, everything is clear, after this friendly exchange of opinions! However, the VSR 80 is a rather professional-made device, and we can not put it in the same ranking with CD players, recorders, video projectors, and so on! That's why I'm surprised that this was not thought of, the technology was still at that time. I agree that Rolandedan is a pioneer of professional judicial techniques, and that's why my astonishment !! Once again, I thank you for commenting and cooperation, with respect to Alexander.
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#1585062 - 09/16/18 10:34 AM Re: Conecting Tascam DM-24 and Roland VSR 880 via Optic toslink [Re: Aleksandar]
Slabraton Online   content
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Registered: 12/16/12
Posts: 15875
Loc: California
I am curious as to why you are recording from the TASCAM DM-24 to the Roland VSR-880? I would go the other way since the DM-24 records in wav while the Roland uses a proprietary recording file type.

Edited by Slabraton (09/16/18 10:43 AM)

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