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#41
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Mike Rivers wrote:
Still, there are only a few manufacturers of disk transport mechanisms, and they've gotta use one of those. That's the most vulnerable part. Switches rarely fail because so many people, even in industrial and broadcast applications, use remote control. So the question is - how do you make them sound bettter? Good sounding D/A converter chips are cheap so there's no reason not to use a good one. But what makes a difference is a good power supply, good analog design, and good engineering to keep the digital and analog parts from interfering with each other. Case in point is HHB's CDR 830 *professional* CD recorder, which I recently purchased for my church for about $600. Word has it that the guts of the HHB are actually an Aiwa consumer CD recorder that runs a couple of $100's. Not a couple of $100s less, the comparable consumer box is just a couple of $100s. I suspect that most know that the functional difference between a professional and consumer CD recorder is primarily a few lines of code in the firmware that tells the box to not take the absence of some bits on the raw media too seriously. At any rate I didn't spring for the optional-extra balanced I/O option on the HHB box because the long term use will be digital domain I/O. FWIW it interfaces to my Mackie analog console just swimmingly with no problems with hum or noise. |
#42
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anahata wrote:
Scott Dorsey wrote: the computer CD drives are much crappier and tend to have much higher error rates than the audio drives, because they can get away with it. I'm not too sure about that. You're not alone. In some cases high-end CD players have been based on transports that were origionally designed for computer use. When they are used for computer data they have to be error free in the data seen by the computer. I do appreciate that in CD-ROM mode the error correction mechanism is stronger and the re-reading the data is an option, but you have somehow to get a good enough copy of the data to be able to correct the errors. Because they are produced in large numbers they are cheap, but that doesn't necessarily mean thay are crappy. Agreed. A much more likely difference is that computer CD drives will have the cheapest possible 1-chip solution for analog audio output. Agreed. However, even the audio quality of this chip has been going through slow steady upgrades. |
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