HP EliteBook 2540P Specifications page 26

QuickSpecs
Technical Specifications
Audio Audio Audio Audio
Hardware Hardware Hardware Hardware
Audio Output Quality Audio Output Quality Audio Output Quality Audio Output Quality
Integrated Stereo Integrated Stereo Integrated Stereo Integrated Stereo
Speakers Speakers Speakers Speakers
Communications Communications Communications Communications
Implementation Implementation Implementation Implementation
Touch-Sensitive Volume Touch-Sensitive Volume Touch-Sensitive Volume Touch-Sensitive Volume
Controls Controls
Controls Controls
Full Duplex Full Duplex Full Duplex Full Duplex
Combo Microphone Combo Microphone Combo Microphone Combo Microphone
/Headphone /Headphone /Headphone /Headphone
Integrated Microphone Integrated Microphone Integrated Microphone Integrated Microphone
Frequency Response Frequency Response Frequency Response Frequency Response
Signal to Noise Ratio Signal to Noise Ratio Signal to Noise Ratio Signal to Noise Ratio
Total Harmonic Distortion Total Harmonic Distortion 0.01% Total Harmonic Distortion Total Harmonic Distortion
Noise Floor Noise Floor Noise Floor Noise Floor
Play/Record Sampling Play/Record Sampling Play/Record Sampling Play/Record Sampling
Rate(s) Rate Rate Rate
DAC DAC DAC DAC
ADC ADC ADC ADC
Power Rating Power Rating Power Rating Power Rating
Impedance Impedance Impedance Impedance
DA - 13566 North America — Version 8 — June 2, 2010
IDT 92HD75B High Definition CODEC
Volume up, volume down, and mute
Yes
Device Used Device Used Device Used Device Used
Stereo Headphone
External PC Microphone
Combo headphone / microphone
without "Answer" button
Combo headphone / microphone
with "Answer" button
Yes, dual-microphone array when equipped with optional webcam
20 Hz - 20 kHz
>85 dB
-110 dB
8 kHz - 48kHz
16, 20 or 24-bit
16 or 20-bit
2 Watts
4 Ohms
HP EliteBook 2540p Notebook PC HP EliteBook 2540p Notebook PC HP EliteBook 2540p Notebook PC HP EliteBook 2540p Notebook PC
Operation Operation Operation Operation
Headphone works.
Integrated microphone works.
External microphone does not work.
Integrated microphone works.
Headphone and microphone in
headset work as advertised.
Headphone and microphone in
headset work initially whenever
headset is plugged in; integrated
microphone in PC is disabled. If
"answer" button in pushed,
microphone in headset is disabled,
integrated microphone in PC is
enabled.
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