Input/Output Interfaces

5.8.4 Audio Specifications

The specifications for the HD Audio subsystem are listed in Table 5-11.

Table 5-11.

 

HD Audio Subsystem Specifications

 

 

Parameter

Measurement

 

 

Sampling Rates:

 

DAC

44.1-, 48-, 96-, & 192-KHz

ADC

44.1-, 48-, 96-, & 192KHz

 

 

Resolution:

 

DAC

24-bit

ADC

24-bit

 

 

Nominal Input Voltage:

 

Mic In (w/+20 db gain)

.283 Vp-p

Line In

2.83 Vp-p

 

 

Subsystem Impedance:

 

Mic In

20K ohms

Line In

20K ohms

Line Out (minimum expected load)

10K ohms

Headphones Out (minimum expected load)

32 ohms

 

 

Signal-to-Noise Ratio

 

Line out

90 db (nom)

Headphone out

90 db (nom)

Microphone / line in

85 db (nom)

 

 

Total Harmonic Distortion (THD)

 

Line out

-84 db

Headphone out

-80 db

Microphone / line in

-78 db

 

 

Max. Subsystem Power Output to 4-ohm Internal

1.5 watts

Speaker (with 10% THD):

 

 

 

Gain Step

1.5 db

 

 

Master Volume Range

-58.5 db

 

 

Frequency Response:

 

ADC/DAC

20– 20000 Hz

Internal Speaker

450–20000 Hz

 

 

 

Technical Reference Guide

www.hp.com

5-15

Page 67
Image 67
HP dc7900 manual Audio Specifications, HD Audio Subsystem Specifications, Parameter Measurement, Adc/Dac

dc7900 specifications

The HP dc7900 is a well-regarded desktop solution that serves as a testament to HP's commitment to performance, reliability, and user accessibility. Introduced as part of HP’s Compaq line and designed primarily for business professionals, the dc7900 combines powerful processing capabilities with a compact form factor that suits various office environments.

One of the standout features of the HP dc7900 is its robust configuration options. It typically comes equipped with Intel's Core 2 Duo or Quad processors, giving users the ability to handle demanding applications seamlessly. The inclusion of Intel's technologies, such as Intel vPro, enhances remote management and IT control, making it an ideal choice for businesses looking to streamline their operations.

The dc7900 is designed with flexibility in mind. It offers multiple form factors, including mini-tower, small form factor, and ultra-slim desktop configurations. This variety enables organizations to choose a model that best fits their workspace requirements, maximizing both efficiency and aesthetics. The small footprint models are particularly beneficial in space-constrained environments, while the mini-tower version provides expandability for future upgrades.

In terms of graphics capabilities, the HP dc7900 typically features integrated Intel graphics, with options to install discrete graphics cards for users who require enhanced visual performance. This makes the dc7900 suitable for tasks ranging from standard office applications to more graphics-intensive responsibilities.

Connectivity is another key characteristic of the HP dc7900. It is equipped with a variety of ports, including USB 2.0 and audio jacks, allowing users to connect peripherals easily. Additionally, the dc7900 supports legacy connections, making it easier for businesses with older equipment to integrate new systems without hassle.

Durability and reliability are hallmarks of the HP dc7900. Built with high-quality materials and subjected to rigorous testing, this desktop is designed to withstand the demands of a bustling office environment. Furthermore, HP's comprehensive warranty and support options assure businesses of the reliability of their investment.

The HP dc7900 is not just a powerful desktop; it’s a versatile and dependable solution for modern businesses. With its combination of performance, expandability, and solid build quality, the dc7900 remains a relevant choice for those looking to enhance their productivity and efficiency in the workplace.