HP EliteBook 2540P

Audio
AudioAudio
Audio
Hardware
HardwareHardware
Hardware Implementation
ImplementationImplementation
Implementation IDT 92HD75B High Definition CODEC
Touch-Sensitive Volume
Touch-Sensitive VolumeTouch-Sensitive Volume
Touch-Sensitive Volume
Controls
ControlsControls
Controls
Volume up, volume down, and mute
Full Duplex
Full DuplexFull Duplex
Full Duplex Yes
Combo Microphone
Combo MicrophoneCombo Microphone
Combo Microphone
/Headphone
/Headphone/Headphone
/Headphone
Device Used
Device UsedDevice Used
Device Used Operation
OperationOperation
Operation
Stereo Headphone Headphone works.
Integrated microphone works.
External PC Microphone External microphone does not work.
Integrated microphone works.
Combo headphone / microphone
without "Answer" button
Headphone and microphone in
headset work as advertised.
Combo headphone / microphone
with "Answer" button
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.
Integrated Microphone
Integrated MicrophoneIntegrated Microphone
Integrated Microphone Yes, dual-microphone array when equipped with optional webcam
Audio Output Quality
Audio Output QualityAudio Output Quality
Audio Output Quality Frequency Response
Frequency ResponseFrequency Response
Frequency Response 20 Hz - 20 kHz
Signal to Noise Ratio
Signal to Noise RatioSignal to Noise Ratio
Signal to Noise Ratio >85 dB
Total Harmonic Distortion
Total Harmonic DistortionTotal Harmonic Distortion
Total Harmonic Distortion 0.01%
Noise Floor
Noise FloorNoise Floor
Noise Floor -110 dB
Play/Record Sampling
Play/Record SamplingPlay/Record Sampling
Play/Record Sampling
Rate
RateRate
Rate (s)
8 kHz - 48kHz
DAC
DACDAC
DAC 16, 20 or 24-bit
ADC
ADCADC
ADC 16 or 20-bit
Integrated Stereo
Integrated StereoIntegrated Stereo
Integrated Stereo
Speakers
SpeakersSpeakers
Speakers
Power Rating
Power RatingPower Rating
Power Rating 2 Watts
Impedance
ImpedanceImpedance
Impedance 4 Ohms
Communications
CommunicationsCommunications
Communications
QuickSpecs
HP EliteBook 2540p Notebook PC
HP EliteBook 2540p Notebook PCHP EliteBook 2540p Notebook PC
HP EliteBook 2540p Notebook PC
Technical Specifications
DA - 13566 North America — Version 8 — June 2, 2010 Page 26