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  1. dgatwood

    Converting to Higher Bitrates??....we goofed.

    Not for those of us who can actually hear above 20 kHz.... I'm not saying there's much useful up there, but last I checked my hearing, at sufficient volume, I could hear up to 24 kHz, at which point, I couldn't crank my speakers any higher.... :D
  2. dgatwood

    Hum issue

    You can try star-grounding everything else. The most likely cause of this sort of problem is that the monitor is providing a path for some other noisy piece of gear's ground hum to flow to ground. The best way to fix that is to provide a shorter, much-lower-resistance path to ground from...
  3. dgatwood

    looking for a good mic pre amp for the first time HELP

    Three questions: 1. What are you using now? The Mbox built-in pre? 2. Are you looking for more gain and/or cleaner gain, or are you looking for coloration? 3. How many channels?
  4. dgatwood

    My MAC is making an audible click when I click sound files....

    You're probably hearing one of two things: The audio file has a DC offset, and when you start and pause playback, that causes a pop as the voltage output goes from zero to the DC offset level. You're using the internal audio and the laptop is power managing the audio hardware, turning off its...
  5. dgatwood

    Converting to Higher Bitrates??....we goofed.

    With time dilation, it shouldn't matter much nearly as much because unlike video, audio is a continuous waveform. With video, someone can slip between the object and the camera and a pixel suddenly shifts from green to blue, and it is a lot of work to mathematically model everything in a scene...
  6. dgatwood

    electret condenser?

    Holy zombie thread, Batman! Resurrected after more than a decade! Anything can be repaired. Whether it makes sense to do so or not is another question, particularly given that they typically sell for $30-35 on eBay. If it's something simple like a cold solder joint, sure, take it apart and...
  7. dgatwood

    Radio Shack Electret Condenser 33-1065

    Doubtful. Cables are somewhat important for dynamic mics because of their relatively low output level, but even with dynamic mics, the cable usually doesn't make much difference until your cable run is measured in tens of feet. By contrast, condenser mics have relatively hot output because...
  8. dgatwood

    Need a USB audio interface

    Most folks who hook a mixer up to a computer are just trying to get serviceable preamps for the built-in sound hardware. If you're trying to connect a mixer to your computer through a real interface, you're probably doing it wrong. Most of the time, you don't want to record the mixed output...
  9. dgatwood

    Shure SM7B Microphone

    Technique matters, but so does mic placement. Too much sibilance occurs when the mic is placed in a position where it is getting a lot of the air from your mouth but not enough of the resonance from your chest cavity. If the mic is straight in front of you, you're going to get bad sound no...
  10. dgatwood

    Crackles After A While!

    Check to see if your USB chipset is sharing an IRQ with anything. If so, change the IRQ steering so that it doesn't, or turn off whatever device it is sharing an IRQ with. Also, if your computer uses a USB-based Wi-Fi chipset internally, you might try turning off Wi-Fi.
  11. dgatwood

    New iMac, but how to connect analog mixer?

    You could connect that mixer to a FireWire or USB interface, but you'd probably get cleaner audio to use whatever preamps come in the interface to begin with. If you have a FireWire or USB mixer, then that acts as an interface, so no, you don't need one. One caveat, however: many USB mixers...
  12. dgatwood

    Logic Pro 9 System overload error 10011

    That's 90% of your problem right there. USB is brutal in terms of CPU overhead. You'd probably be better off using the internal hard drive for everything.
  13. dgatwood

    What USB Mic should I Buy

    Agreed. That's like asking what year of Yugo you should buy. :D
  14. dgatwood

    USB Mic sticky?

    I doubt the SE Electronics mic is any good, either, honestly. The main problem with USB mics is that to minimize costs, they use ancient hardware inside. As far as I can tell, every converter chip designed in the past decade supports 96 kHz, and anything designed in the past five or six years...
  15. dgatwood

    Spiking on playback when layering

    If you're hitting a wall at four or five tracks, something is very, very wrong. I used to do eight tracks at once on a dual 2 GHz G5, stacking up twenty or thirty tracks at a time, without any problems. It takes a tiny fraction of those CPUs' horsepower to handle audio recording (unless you're...
  16. dgatwood

    Digital "Noise"

    I've seen one other report of this problem with that particular audio interface on that particular size of iMac. The first thing I would do is to call up Apogee and see if it is a known problem with a hardware fix. If they say it's Apple's fault, contact AppleCare and tell them what's...
  17. dgatwood

    Hum issue

    Sure. BTW, I'm not sure why that page called pin 1 "Signal" in the old standard. It hasn't ever been used for the signal. Maybe they misinterpreted somebody's discussion in which S stood for shield, but if so, then that's the same as the current standard. :) The question of whether to...
  18. dgatwood

    Hum issue

    I never said that. I said that most of the noise from laptops is caused by bad power supplies. 99% of the noise that people complain about hearing when using laptops is clicking and chirping and other bizarre sounds, not hum. Hum from laptops (the remaining 1%) is almost invariably caused by...
  19. dgatwood

    Hum issue

    The term "ground loop" is a very, very poor way to describe the problem. A ground "loop" is caused by having two different potentials between two things that are ostensibly supposed to both be grounds (and by ground, in this case, we mean signal grounds, which are not necessarily earth...
  20. dgatwood

    Laptop: Upgrade internal hard drive or go external USB 3.0

    With terabyte laptop drives running under a hundred bucks (and on average being much faster than your current drive even if your current drive is at a higher RPM), there's no good reason not to upgrade your internal drive, IMO.
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