Subject: Re: [linux-audio-dev] Open firewire audio interface: A back-of-an-envelope prototype plan
From: Bob Knight (bk_AT_minusw.com)
Date: Fri Nov 26 2004 - 19:52:54 EET
smoerk wrote:
> somehow a nice idea, i only see one problem:
>
> firewire and usb audio devices are mainly used with laptops, whih
> normaly have only one ethernet port. if you have a desktop, you could
> also use a pci audio card.
A multi port wire speed switch would probably set you back about $20.
In a remote recording environment, you probably would not be doing
anything else on the lan. The pc is going to be hella busy dumping
frames onto disks.
> what about usb 2.0 audio cards? has firewire any advantage? big
> disadvantage with firewire for x86 laptops: they mostly have 4 pin
> firewire port, so always need external power for the firewire audio device.
>
> Bob Knight wrote:
>
>> I want an open ethernet audio device.
>> I do not want or need to deal with pci, firewire, usb.
>>
>> Use one of many controllers out there with a good embedded
>> linux port and build in ethernet. Use a TDM or GPIO type
>> interface for the analog side of the world.
>>
>> TDMoE would work just fine for audio.
>> One thing that linux does well these days is ethernet.
>>
>> I need a minimum of 32 channels for live recording.
>> The idea would be to just suck in the ethernet frames and write them
>> to disk. Then mix them down back in the studio after the show.
>>
>> I am a noop (programmer) with a EE back ground and would glad to
>> help anyone build something like this.
>
>
>
-- Bob Knight [-w] the work option bk_AT_minusw.com 925-449-9163
This archive was generated by hypermail 2b28 : Fri Nov 26 2004 - 19:59:04 EET