8
COMPUTER USB HEADSET ADAPTER
1. Specifications
Microphone Volume Control:
22.5-dB range, 1.5-dB
steps, software controlled
Microphone Input:
0.25 Vrms (maximum)
Microphone Sensitivity:
12 Vrms full scale at maximum
volume
Speaker Volume Control:
46.5-dB range, 1.5-dB steps,
software controlled
Speaker Output:
1 Vrms (maximum)
Speaker Sensitivity:
3 Vpp (1 Vrms) output for a
1
⁄
4
-full-
scale (digital word) input
Sampling Rate:
Variable, controlled by host: 8 kHz,
11 kHz, 22 kHz, and 44 kHz
A/D Converter:
18-bit (sampling rate 8 kHz to 44 kHz)
D/A Converter:
18-bit (sampling rate 8 kHz to 44 kHz)
with integral filtering
Formatting:
Supports 8-bit and 16-bit stream
