Results 1 to 4 of 4

Thread: USB soundcard suggestions

  1. #1
    Maximum Bitrate nasa's Avatar
    Join Date
    Aug 2006
    Location
    PA
    Posts
    721

    USB soundcard suggestions

    Hi,

    I have been considering getting a USB soundcard to *embed* into my car, with the following goals:

    1. Allows me to use smaller computer system (ie: card does most of the heavy lifting)
    2. Allows me to continue to use linux
    3. Provides optical spdif (which feeds into my DSP)
    4. Can work from a powered USB hub
    5. Sounds Good

    Does such a option exist? If so, does anyone have a suggestion? Thanks,

    Nasa

  2. #2
    Maximum Bitrate nasa's Avatar
    Join Date
    Aug 2006
    Location
    PA
    Posts
    721
    Here are some possibilities (from doing a Google search) -- not sure any of them meet all my goals. Specifically, about doing audio on the card itself and being able to work off of a USB hub (ie: is bandwidth a concern).


    http://us.startech.com/product/ICUSB...ter-with-SPDIF

    http://www.buy.com/prod/frisby-exter...212953700.html

    http://www.avadirect.com/product_det...asp?PRID=16942

    http://www.newegg.com/Product/Produc...82E16829186002

    What R peoples experiences (if any) with such products? Will these do what I want?

  3. #3
    MySQL Error soundman98's Avatar
    Join Date
    Jan 2008
    Location
    on the border of northern IL/IN
    Posts
    5,848
    i might take this in a different direction, but will try to answer what i know..

    i don't know how many cards are usable on linux, so this might be the first thing to find out..


    i am a little confused on the audio-processing requirements-- your saying that you want the card to grab the audio, and send it onto the DSP, so the motherboard processor doesn't need to get involved?

    i don't believe there is any way to do this-- i believe this is a limitation of usb.. from what i have read,and understood on usb monitors, they lack in many areas because they rely on the main cpu because they are a usb device, and all usb signals must travel through the processor to get correctly, um, processed..(i remember reading about someone that wanted the usb screen to use the memory on a graphics card, and a specific reply that this was impossible because the screen was usb-- i think that this is very similar to your situation/question)


    not sure how low power you are going, but in most cases, usb handles many audio streams fine-- i am running a usb card with 8 analog outputs, and am using 5 with zero audio problems(if you have read my really old posts on it not working, this was due to heavy audio processing on a atom board-- the audio card itself has always worked fine).

    in fact, being that you only need optical, it would be worthwhile to look into a usb-optical-only sound card-- i believe standard analog audio would be more processor heavy then a pure-digital stream that doesn't need to be encoded/decoded by the pc..

    maybe something like this:
    http://www.hdtvsupply.com/usbtoopauad.html



    and finally, needing to work from a powered hub-- this is probably going to be trial-and-error.. not something that many know, or is advertised..

  4. #4
    Maximum Bitrate nasa's Avatar
    Join Date
    Aug 2006
    Location
    PA
    Posts
    721
    Thanks Soundman,

    Great information -- I does help a lot. You did understand my request to of-load processing to the USB sound card. So what you explained is very helpful.

    From your post -- it seems you have your card connected directly to the computer USB hub... But I am starting to guess that bandwidth shouldn't be a problem (Someone correct me if I am wrong). This being my biggest concern about connecting this through a powered hub.

    I really like your suggestion -- will have to check to see if it works with Linux.

    Thanks again

Similar Threads

  1. Replies: 2
    Last Post: 07-11-2007, 07:08 AM
  2. Installing a USB Hub up-front? Read this...
    By hd54321 in forum General Hardware Discussion
    Replies: 13
    Last Post: 02-09-2007, 11:49 AM
  3. Replies: 1
    Last Post: 02-05-2007, 12:07 AM
  4. USB Soundcard?
    By muldrick in forum General Hardware Discussion
    Replies: 2
    Last Post: 01-18-2005, 12:44 PM
  5. USB Soundcard Woes
    By phc in forum General Hardware Discussion
    Replies: 7
    Last Post: 02-11-2004, 05:02 PM

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •