Re: [LAU] hardware: recording voice and acc. guitar

On Wednesday 28 May 2008 10:56, Pieter Palmers wrote:
> Loki Davison wrote:
> > On Wed, May 28, 2008 at 3:33 PM, Al Thompson <biggles58@email-addr-hidden>
wrote:
> >> ----- Original Message ----
> >> From: Loki Davison <loki.davison@email-addr-hidden>
> >> To: schoappied <schoappied@email-addr-hidden>
> >> Cc: Al Thompson <biggles58@email-addr-hidden>;
> >> Linux-audio-user@email-addr-hidden
> >> Sent: Wednesday, May 28, 2008 1:04:58 AM
> >> Subject: Re: [LAU] hardware: recording voice and acc. guitar
> >>
> >>> wow. This is so wrong it hurts... You say phantom power not possible
> >>>
> >> >from a pci slot or computer power supply but with usb mixer? ARRG! USB
> >>>
> >>> is a great way to plug in your mouse. For audio, go pci, or if you
> >>> can't got pci, firewire or pcmcia.
> >>>
> >>> 10 channel in 14 out. and yes, to Al, ......... phantom power on both
> >>> mic pre's from a pci card! wow.... like standard... The linux mixer
> >>
> >> Just out of curiosity, where is the 48V coming from? There is no 48V
> >> available internally. There is 12V, if you want to limit yourself to
> >> AKG and Shure mics, but I wouldn't want to draw that much current from a
> >> computer supply.
>
> http://en.wikipedia.org/wiki/DC-DC_converter
> http://en.wikipedia.org/wiki/Boost_converter
>
> How do you think a bus powered USB device does it? USB bus power is 5V.
>
> >>> usb = crap. Oh, just in case you missed it. I think usb is a bad
> >>> choice.
> >>
> >> What's your dislike of USB? You can do 2x2 even over USB 1.1. Until
> >> the latest version of the Firewire standard, it couldn't hold a candle
> >> to USB.
>
> my firewire alarm triggered here...
>
> What latest version are you talking about? The 1995 version (400Mbit/s)
> can handle >200 channels at 48k, providing both phase and rate accuracy
> for all channels throughout the system. There is not a doubt about the
> fact that FireWire is technically superior to USB in general, and
> definitely regarding audio.

Sounds great, but where can I find a firewire interface that will let me
record 24+ tracks at once. I am in the market for one if my pocket can handle
the cost... (This is in no way related to to USB comparison...)
>
> A more recent version (1394b-2002) has commercially available products
> at 800Mbit/s (400 channels), and specified up to 3.2Gbit/s.
>
> Let me give you some arguments pro firewire:
> * globally available clock (relative AND absolute timing)
> * guaranteed bandwidth
> * (1394b) support for redundant connections
> * (1394b) optical fibre support
>
> I could go on for a while, but it's not really worth it. The only
> 'superiority' of USB is in the cost department.
>
> Greets,
>
> Pieter

all the best,

drew

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Received on Wed May 28 20:15:05 2008