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How do I get MMC/MTC/SMPTE between Sonar, Tascam 1884, and an ADAT?
Okay... here's the background:
Many years ago, the girlfriend recorded about 40 minutes x 20 tracks of songwriting at a local studio onto ADATs. She got fed up with the project at the time and just kinda left it. Now, she wants to come back to it and mix it down and make a CD of it. Now, the ADAT's hold 8 tracks, so the 20 tracks were recorded by syncing 3 decks together. Now, we've borrowed a single ADAT deck (and the BRC controller unit) from the studio guy, and we want to import all of this into Sonar3. On the PC with Sonar, we have a Tascam 1884 interface... which is pretty spiffy. 8 analog in, 8 analog out, optical ADAT in/out, etc. Now, we've managed to use the digital optical output from the ADAT deck and send it right into the Tascam and we're able to record 8 tracks at a time into Sonar. Shweeeeeeet! The problem is in syncing Sonar to the ADAT deck. Now, the ADAT deck seems to have a few strange 1/4" and BNC connections on the back which read "SMPTE Out" and whatnot, and the Tascam has a few other connectors like that, none of them are the same... so I'm not sure that the formats would match. So, I'm trying to manage the sync either with the optical cable or with MIDI. I tried MIDI first. I tried getting the ADAT to be the master and Sonar to be the slave (since Sonar can seek to a song position a lot easier than the ADAT can). Now, the ADAT deck, itself, doesn't have MIDI connections, but the BRC controller interface does, so I ran a MIDI cable from the OUT of the BRC to one of the IN's on the Tascam. I then told Sonar to use MTC/SMPTE sync, but then Sonar just sat there telling me that it was waiting to see a sync signal. Same with the MIDI Sync selection. So, I tried having Sonar as the master and the ADAT as the slave. I told Sonar to transmit MTC (on the appropriate MIDI output on the Tascam) and tried to have the ADAT follow it. This just ended up making the ADAT deck freak out (as in, rapidly switching between Stop and Play... and the display reading "FULL"). Okay then... I tried a different approach. Since the Tascam interface also operates as a control surface (which can control the sliders and transport in Sonar) and since the Tascam can respond to external sync, I figured that I'd tell the *Tascam* to use an external sync from the optical ADAT input. This seemed promising, because the LED's were indicating that the Tascam was seeing a meaningful sync signal from the source I specified. However, the Tascam never caused Sonar to do anything (no seeks, no starts, and no stops) even though the jog wheel and the start/stop buttons on the Tascam work properly. So, I'm kinda stuck at this point. Granted... I *can* just import the tracks 8-at-a-time and then just gradually nudge each set of 8 tracks around so that they're in-sync enough for nobody to notice... but this is the most complicated format conversion I've ever done, so I'd like to know how to make it work just to understand the hardware. Reagrds, - Joe |
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Joe Emenaker wrote:
I tried MIDI first. I tried getting the ADAT to be the master and Sonar to be the slave (since Sonar can seek to a song position a lot easier than the ADAT can). Now, the ADAT deck, itself, doesn't have MIDI connections, but the BRC controller interface does, so I ran a MIDI cable from the OUT of the BRC to one of the IN's on the Tascam. I then told Sonar to use MTC/SMPTE sync, but then Sonar just sat there telling me that it was waiting to see a sync signal. Same with the MIDI Sync selection. It's been a while since I've dealt with this, and I'm going from memory. It seems to me you haven't told the BRC to actually OUTPUT MTC. I believe there is a setting in a menu somewhere to do this. In your situation, you will the BRC to be the CLOCK master and the timecode master. I really don't believe it to be too difficult. Get yourself a copy of the BRC manual. That should give you a step by step. I'm sure your can download from Alesis. -- Eric Practice Your Mixing Skills Multi-Track Masters on CD-ROM www.Raw-Tracks.com |
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