Audio Specifications - HP Compaq dc7800 Series Technical Reference Manual

5.9.4 Audio Specifications

The specifications for the HD Audio subsystem are listed in Table 5-11.
Parameter
Sampling Rates:
DAC
ADC
Resolution:
DAC
ADC
Nominal Input Voltage:
Mic In (w/+20 db gain)
Line In
Subsystem Impedance:
Mic In
Line In
Line Out (minimum expected load)
Headphones Out (minimum expected load)
Signal-to-Noise Ratio
Line out
Headphone out
Microphone / line in
Total Harmonic Distortion (THD)
Line out
Headphone out
Microphone / line in
Max. Subsystem Power Output to 4-ohm Internal
Speaker (with 10% THD):
Gain Step
Master Volume Range
Frequency Response:
ADC/DAC
Internal Speaker
Technical Reference Guide
Table 5-1 1.
HD Audio Subsystem Specifications
www.hp.com
Measurement
44.1-, 48-, 96-, & 192-KHz
44.1-, 48-, 96-, & 192KHz
24-bit
24-bit
.283 Vp-p
2.83 Vp-p
20K ohms
20K ohms
10K ohms
32 ohms
90 db (nom)
90 db (nom)
85 db (nom)
-84 db
-80 db
-78 db
1.5 watts
1.5 db
-58.5 db
20– 20000 Hz
450–20000 Hz
Input/Output Interfaces
5-15