Detailed Product Description
System Requirements: PC running Microsoft Windows and Macintosh
USB port
Applications: Voice recognition, Voice command and control, Internet phone and chat, Videoconferencing and speakerphone
Duplex USB system with stereo output for audio record and playback systems
Supported Windows 98SE and Macintosh OS9. 04 above versions
Supports 12 Mb/s (full speed) data transfers
Supports suspend/resume
Fully automatic plug and play operation
Adjustable microphone volume via your computers multimedia audio settings
Interface
Microphone: Bidirectional, noise canceling electrets
USB cord: 6 feet
Plug: USB Series A
Technical
Compliant with USB General and Audio Class specification
Plug & Play, All drivers are included in Windows 98SE and Macintosh OS9. 04 above versions
Supports 8-bit and 16-bit formatting stream
Variable sampling rate controlled by host: 8KHz, 11KHz, 22KHz, and 44KHz
Isochronous high speed device
Microphone: Bidirectional, noise canceling electrets
Microphone gain range: 21dB
Speaker gain range: 41dB
Speaker frequency: 20-20, 000 Hz
20-bit A/D converter (sampling rate 8KHz to 48KHz)
Adaptive 20-bit D/A converter (sampling rate 5 KHz to 55KHz) with integral filtering
This device complies with Part 15 of the FCC, CE and VCCI Rules