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AC97 Integrated ADI
1981B Audio
Type
Integrated
AC ‘97 Stereo Codec
Yes
FM Synthesis Support
Yes – Yamaha XG Lite
OPL3 FM Synthesis
Support
Yes
Sound Blaster
Compatibility
Yes
Audio Jacks
Microphone-In (20-K ohm Input Impedance); rear stereo and front
analog microphone ports
Line-In (12-K ohm Input Impedance)
Line-Out * (less than 800 ohms Output Impedance, expects at least a
10-K ohm load)
Headphone-Out (2.5 Ohms 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.
Sampling
7 kHz – 48 kHz
Wavetable Syntheses
(software)
Yes – GM and FM Midi Support, Direct Music and Down Loadable
Soundset (4 Meg DLS Level 1 and 2 Support)
3D Positional Sound
No
Digital Audio
Yes
Analog Audio
Yes
Number of Channels
on Line-Out
(mono/stereo)
Stereo (Left & Right channels)
Internal Audio Speaker
Power Rating
3W
Internal Speaker
Yes
Hardware Equalizer for
Internal Speaker
Fixed 7 Band ParametricEQ
External Speaker Jack
(Line-Out)
Yes
Sound Blaster X-Fi
XtremeMusic Audio
Card
(Windows XP Only)
Audio Quality
Total Harmonic Distortion + Noise at 1kHz (20kHz Low-pass filter) =
0.004%
Signal to Noise Ratio
(SNR)
Signal-to-Noise Ratio (20kHz Low-pass filter, A-Weighted)
Stereo Output: 109dB
Front and Rear Channels: 109dB
Center, Subwoofer and Side Channels: 109dB
Sound Conversion
24-bit Analog-to-Digital conversion of analog inputs at 96kHz sample
rate
24-bit Digital-to-Analog conversion of digital sources at 96kHz to analog
7.1 speaker output
24-bit Digital-to-Analog conversion of stereo digital sources at 192kHz
to stereo output
Recording/Sampling
Rate
44.1, 48 and 96kHz
QuickSpecs
HP xw9300 Workstation
Technical Specifications - Audio
DA - 12186 Worldwide — Version 33 — May 25, 2007
Page 27