You can find the full blurb on Anandtech....
The Envy24HT PCI multi-channel audio controller is a no compromise PCI solution that brings professional studio quality sound to the home PC user. With 24-bit resolution and sampling rates up to 192kHz, the VIA Envy24HT enables the highest recording quality in its class, and provides two inputs and 10 outputs that connect to the latest 5.1 and 7.1 surround sound systems for perfect home theatre performance.
VIA has developed a broad spectrum of silicon solutions for enhancing the PC audio experience, including the highly respected, studio performance Envy24 audio controller that enables 12 inputs and 12 outputs with a 36 bit wide digital mixer. VIA also offers a range of AC'97 audio codecs, such as the stereo output VIA VT1612A with an integrated S/PDIF interface for digital audio connections to the latest devices, and the superior performance VIA VT1616 6-channel audio codec that enables theatre quality sound in both audio-on-motherboard and high-end soundcard applications.
Link refered to seems broken
http://www.via.com.tw/en/multimedia/envy24ht.jsp
Partners
M-Audio Inc.
Imerge Ltd.
TerraTec ProAudio, Inc.
JV Pronan Co.