AUDIO/MULTIMEDIA
Hardware
Implementation
IDT 92HD87 High Definition CODEC
Function Key Volume
Controls
Volume up, volume down, and mute
Full Duplex
Yes
Microphone In
Stereo
Headphone/Line Out
Stereo
Integrated Microphone
Yes, dual digital microphone array when equipped with optional webcam
Audio Output Quality
Frequency Response
20 Hz - 20 kHz
Signal to Noise Ratio
>85 dB
Total Harmonic Distortion
0.01%
Noise Floor
-110 dB
Play/Record Sampling
Rate
(s)
8 kHz - 48kHz
DAC
16, 20 or 24-bit
ADC
16 or 20-bit
Internal Stereo Speaker
Power Rating
2 Watts
Impedance
4 ohms
POWER
QuickSpecs
HP ProBook 4545s Notebook PC
Technical Specifications
DA - 14307 North America — Version 4 — April 25, 2013
Page 17
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