OEM USB 2.0 7.1 Channel 5.1 Optical Audio Sound Card External
Audio
USB Sound is an USB audio controller.It supports
32KBz,44.1khz.(which two need driver or application software
support)and 48KHZ sampling rate in digital recording,48KHZ sampling
in analog recordin and 48KHZ in digital/analog audio playback.
In digital playback mode,it receives audio stream from PC via USB
interface and transmits audio data according to the
AES/EBU,IEC60958,S/PDIF consumer interface standards.Only R,L
channel PCM audio in 5.1 channel can be conveyed in digital
playback mode.In analog playback mode,it supports 6 channels codec
for analog playback.
In digital recording mode,it receives S/PDIF digital audio input
and sends back to PC through USB.Three sampling rates;includes
32KHZ,44.1KHZ are automatically locked internally,in analog
recording mode,fixed 48khz sampling rate is supported by analog
audio recording
plug and play
Supports SES/EBU,IEC60958,S/PDIF consumer formats for stereo PCM
audio
Fixed 48KHZ sampling rate for 5.1 channel playback.
Supports analog recording function
Supported SCMS copy protection
Compatible with Win98SE,ME,2000,XP,Mac OS 9.1
Fully duplex playback/recording audio stream without sound card in
PC
Compliant with USB specification v1.1
Compliant with USB audio device class v1.0
Supports USB full speed 12Mbit serial data transmission
3 input terminals
3 output terminals
Alternate setting 0 is a zero-bandwidth setting used to release the
claimed bandwidth on the
bus when this device is inactive
Isochronous transfer uses adaptive and asynchronous
synchronization
Support multi channels audio code interface for 5.1 channel