» Audiotrak    Sound and audio cards for desktop PCs.    http://www.audiotrak.de/eng/index.html

» Creative Technology Ltd.    Manufactures PC entertainment products with a focus on sound cards, including Sound Blaster.    http://www.creative.com/

» Digital Audio Labs    Sells products that offer a wide range of hardware-based solutions for PCs, used primarily by professional sound recording organizations and individuals.    http://www.digitalaudio.com/

» ESS Technology, Inc.    PC audio solutions based on the ESS chip platform.    http://www.esstech.com/

» Echo Audio    Designs and manufactures DSP based audio software and hardware.    http://www.echoaudio.com/

» Ego Systems    Manufactures desktop media production hardware and software.    http://www.esi-pro.com/

» Lynx Studio Technology, Inc.    Designs and manufactures professional, computer related audio products.    http://www.lynxstudio.com

» The PC Technology Guide    Features and components of a modern PC sound card. Includes graphics, diagrams and an integrated glossary.    http://www.pctechguide.com/44SoundCards.htm

» Timur Tabi's Crystal Semiconductor and OS/2    Information and opinions regarding Crystal Semiconductor chips for OEM sound cards.    http://www.tabi.org/timur/crystalos2.html

» VideoLogic Online    Manufacture of sound cards and graphic cards.    http://www.videologic.com/