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USB sound is an USB audio controller . It supports 32KBz.44.1khz ( which two need driver or application software support.) and 48 KHZ sampling rate in digital recording , 48KHz sampling in analog recordin and 48 Khz in digital /analog audio playback.
In digital playback mode , it recieves audio stream from PC via USB interface and transmists 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, 44.1 KHZ are automatically locked internally. In analog recording mode , fixed 48 KHZ sampling rate is supported by analog audio recording.
Supports AES/EBU, IEC60958. S/PDIF consumer formats for stereo PCM audio.
Fixed 48 KHz sampling rate for 5.1 channel playback.
Supports digital recording function with 32KHz , 44KHz and 48KHz sampling rates.
Supports analog recording function
Supports SCMS (Serial Copy Management System) copy protection
Compatible with Win98SE , ME, 2000, XP ,Mac OS9.1(Mac version has 2 channel playback only)
Fully duplex playback/recording audio stream without sound card in PC.
Compliant with USB specification V1.1
Complaint 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 s inactive
Isochronous transfer uses adaptive and asynchronous synchronization
Supports multi channels audio code interface for 5.1 channel playback.
Supports conventional audio 2 channels source playback(Only L,R channel active)
Plug and play under windows without external memory
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