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RE: Looping with a PC laptop... which one?



I don't know if this has been covered but I don't believe they make Laptops
with music performance/recording in mind - hence the noise factor?


:::-----Original Message-----
:::From: Doug Cox [mailto:dougcox@pdq.net]
:::Sent: Saturday, September 27, 2003 10:54 AM
:::To: Loopers-Delight@loopers-delight.com
:::Subject: Re: Looping with a PC laptop... which one?
:::
:::As I said, I'm an electro-peasant, so I can't answer on the reasons why.
:::But I can confirm, with my Latitude at least, that it occurs even with 
:an
:::independent power supply for the USB device.
:::
:::Doug
:::----- Original Message -----
:::From: "Mark Sottilaro" <sine@zerocrossing.net>
:::To: <Loopers-Delight@loopers-delight.com>
:::Sent: Saturday, September 27, 2003 12:45 PM
:::Subject: Re: Looping with a PC laptop... which one?
:::
:::
:::> Wouldn't get a Latitude.  Don't care if it's that small.
:::>
:::> However, what doesn't make any sense to me is this: If I'm using USB
:::> that doesn't get power from the source of data, there should not be 
:any
:::> ground issues... no?  The M-Audio Audiophile has it's own powersupply.
:::> The only link would be the USB data stream, no?  If there was noise on
:::> that, it would corrupt the signal and be useless.  I could see the
:::> issue if you were using a USB/Audio device that took power from the
:::> laptop.
:::>
:::> Or, I could be totally wrong.
:::>
:::> Mark
:::>
:::> On Saturday, September 27, 2003, at 07:25 AM, Doug Cox wrote:
:::>
:::> > Mark,
:::> >
:::> > *SOME* Dell's have a known issue with the grounding of the power
:::supply
:::> > jack, which causes hummmm in the USB audio output.  I know for a 
:fact
:::> > that
:::> > Latitudes have this problem, but I can't speak for other models.
:::Dell
:::> > is
:::> > very tight lipped about the issue, but when pressed, a good tech
:::> > support
:::> > person will tell you that it's a documented problem.  The fix?
:::Either
:::> > use
:::> > the battery, or put a 3-prong -> 2-prong adapter on the power supply
:::> > cord.
:::> > Someone can probably explain how that might be dangerous...  I'm an
:::> > electro-peasant, so I don't know.
:::> >
:::> > Personally, if I was starting from scratch, I wouldn't buy a Dell 
:for
:::> > audio.
:::> >
:::> > Doug
:::> > ----- Original Message -----
:::> > From: "Mark Sottilaro" <sine@zerocrossing.net>
:::> > To: <Loopers-Delight@loopers-delight.com>
:::> > Sent: Saturday, September 27, 2003 3:08 AM
:::> > Subject: Looping with a PC laptop... which one?
:::> >
:::> >
:::> >> Hey,
:::> >>
:::> >> Well, I knew as soon as I got comfy with a laptop I was using, the
:::> >> owner would want it back (long story, don't ask) so now I'm looking
:::> >> for
:::> >> the replacement.  I like Macs, but let's face it, they're pricey.  
:I
:::> >> have a nice desktop Mac, and I'm not married to Apple's product 
:line
:::> >> especially when they're twice as expensive for the base machine.
:::> >>
:::> >> SO, I've heard that Jon El-Bizri had issues with a Dell and noise
:::via
:::> >> USB.  I'm using a USB interface that has it's own power supply, so 
:I
:::> >> honestly don't know how noise could transfer unless the D/A was
:::> >> screwed
:::> >> up in some way.  The USB (M-audio Audiofile) on the TiBook was 
:fine.
:::> >> Quiet.  My only complaint was it didn't have gain controls.  I say
:::> >> Dell
:::> >> because our IT dept swears by them and our people are on the road
:::> >> using
:::> >> them for shows all the time so they get banged up.  I guess they
:::have
:::> >> great service.
:::> >>
:::> >> any advise would be appreciated.
:::> >>
:::> >> Mark Sottilaro
:::> >>
:::> >
:::>
:::
:::