6 audio controllers – Compaq EP Series User Manual

Page 120

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6-12

Specifications

6.6

Audio Controllers

440BX

440BX

ESS 1869 ISA 16-bit full

duplex audio with Compaq

Premier

!

Sound

Creative Labs SoundBlaster

128V PCI with Compaq

Premier

!

Sound.

Sampling rate

4 kHz to 48 kHz (adjustable)

48 kHz

Full Scale Input Voltage (rms)

Microphone-In

Line-Input

0.050

1.0

0.1

2.0

Full Scale Output Voltage (rms)

Line Output

1.0

2.35

Dynamic Range (DR)

Digital Playback

Digital Record

81 dB

77 dB

89 dB

87 dB

Total Harmonic Distortion + Noise

Digital Playback

Digital Record

-65 dB

-65 dB

-80 dB

-82 dB

Frequency Response (-3 dB cutoffs)

Line Level (48 kHz)

Speaker

20 Hz to 20,000 Hz

200 Hz to 15,000 Hz

20 Hz to 20,000 Hz

200 Hz to 15,000 Hz

Crosstalk (dB)

Line Output

63 dB

92 dB

Impedance (nominal)

Microphone-In

Line-Out

100-k ohms

5-k ohms

10 Kohms

10 Kohms

Data Types

PCM

A-Law

µ-Law

8-/16-bit (mono/stereo)

8-/16-bit (mono/stereo)

16-bit (mono/stereo)

8-/16-bit (mono/stereo)

8-/16-bit (mono/stereo)

8-/16-bit (mono/stereo)

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