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High Definition Audio
Type
Integrated
High Definition Stereo
Codec
Yes – Realtek ALC262, 4-channel
Audio Jacks
Microphone-In (64-K ohm Input Impedance); front and rear stereo
analog microphone ports available except for USDT and SFF, which has
front stereo microphone only
Line-In (64-K ohm Input Impedance)
Line-Out * (200 ohms Output Impedance, expects at least a 10-K ohm
load)
Headphone-Out (1 Ohm Output Impedance, expects at least a 32 ohm
load)
NOTE:
*Internal Speaker Amplifier is for Internal Speaker only. External Speakers need to be
powered externally. Rear audio ports are re-taskable as Line-in, Line-out, or Microphone-in.
Multistreaming
Capable
Multistreaming can be enabled in the Realtek control panel to allow
independent audio streams to be sent to/from the front and rear jacks.
Sampling
8 kHz – 192 kHz
Wavetable Syntheses
(software)
Yes – Uses OS soft wavetable
Analog Audio
Yes
Number of Channels
on Line-Out
(mono/stereo)
Stereo (Left & Right channels)
Internal Audio Speaker
Power Rating
1.5 W
Internal Speaker
Yes
External Speaker Jack
(Line-Out)
Yes
QuickSpecs
HP Compaq dc7700 Business PC
Technical Specifications - Audio
DA - 12543 Worldwide QuickSpecs — Version 3 — 9.28.2006
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