Technical Reference Guide www.hp.com 5-35
Input/Output Interfaces
5.8.5 Audio Specifications
The specifications for the HD Audio subsystem are listed in Table 5-26.
NOTE:
[1] Device driver limitation: 48 KHz
Table 5-26.
HD Audio Subsystem Specifications
Parameter Measurement
Sampling Rates:
DAC
ADC
44.1-, 48-, 96-, & 192-KHz [1]
44.1-, 48-, & 96-KHz [1]
Resolution:
DAC
ADC
24-bit
20-bit
Nominal Input Voltage:
Mic In (w/+20 db gain)
Line In
.283 Vp-p
2.83 Vp-p
Subsystem Impedance (nominal):
Mic In
Line In
Line Out
Headphones Out
64K ohms
64K ohms
200 ohms
32 0hms
Signal-to-Noise Ratio (input to Line Out) 95 db (nom)
Max. Subsystem Power Output to 4-ohm Internal
Speaker (with 10% THD):
1.5 watts
Gain Step 1 db
Master Volume Range -94.5 db
Frequency Response:
Codec
Speaker
10 – 22,000 Hz
450–4000 Hz