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#1
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Digital Tape Crackle Mystery
I'm compiling some music from a DAT to a CD, using digital IO.
Sounded fine going in. When I finished the CD and checked, though, on about half of the tracks I can hear what sounds like cracks and pops from an old record. It's not the typical pop you hear when you overdo the signal, either. It's just a straight transfer. The machines I'm using are a Tascam DA-20 and a Philips CD-R. I haven't had trouble with either machine before this. I'm recording on Memorex music CD-R discs. Any ideas what is causing this, or how to fix it? Thanks. |
#2
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ELC wrote:
I'm compiling some music from a DAT to a CD, using digital IO. Sounded fine going in. When I finished the CD and checked, though, on about half of the tracks I can hear what sounds like cracks and pops from an old record. It's not the typical pop you hear when you overdo the signal, either. It's just a straight transfer. The machines I'm using are a Tascam DA-20 and a Philips CD-R. I haven't had trouble with either machine before this. I'm recording on Memorex music CD-R discs. Any ideas what is causing this, or how to fix it? Thanks. It looks like a sync problem. Maybe the cable or connectors need replacement?? Is the DA-20 set to internal sync? The CD-R should get its sync from the interface signal. Bert Kraaijpoel |
#3
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#5
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Another possibility, is that your laser in the CD recorder is shot and
is not getting the data on the CD or there is too much loss. Then on playback, the error correction cannot handle the amount of lost data and you may hear the error correction circuitry losing the battle. The fix: try a different CD recorder. Mike (ELC) wrote in message . com... I'm compiling some music from a DAT to a CD, using digital IO. Sounded fine going in. When I finished the CD and checked, though, on about half of the tracks I can hear what sounds like cracks and pops from an old record. It's not the typical pop you hear when you overdo the signal, either. It's just a straight transfer. The machines I'm using are a Tascam DA-20 and a Philips CD-R. I haven't had trouble with either machine before this. I'm recording on Memorex music CD-R discs. Any ideas what is causing this, or how to fix it? Thanks. |
#6
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"ELC" wrote in message om... I'm compiling some music from a DAT to a CD, using digital IO. Sounded fine going in. When I finished the CD and checked, though, on about half of the tracks I can hear what sounds like cracks and pops from an old record. It's not the typical pop you hear when you overdo the signal, either. It's just a straight transfer. The machines I'm using are a Tascam DA-20 and a Philips CD-R. I haven't had trouble with either machine before this. I'm recording on Memorex music CD-R discs. Any ideas what is causing this, or how to fix it? Thanks. I've had a very similar problem with using analog RCA cables with SPDIF transfer...could that be it? |
#7
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Mike Rivers wrote:
In article writes: I'm compiling some music from a DAT to a CD, using digital IO. Sounded fine going in. When I finished the CD and checked, though, on about half of the tracks I can hear what sounds like cracks and pops from an old record. Probably a temporary loss of sync. It could be a funky cable between the DAT and the CD recorder, or it could be a small dropout on the DAT tape. Could be cable-related, or the receiver being unable to pull in the incoming stream because either the receiver is faulty, or the transmitter is too far out to synch to. It could also be other faults in either device. Presumably the DAT audio playback is OK. you do have both devices set to the same sample rate .....? geoff |
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