Audio Interfaces - HP Visualize b132L Technical Reference Manual

Audio Interfaces

The Model B132L/B160L workstation has audio input and output capability through external input
and output connectors on the rear panel, Headphones (headphone–out) and Microphone
(Microphone–in) connectors on the front panel plus a built–in speaker. The rear panel contains the
Line–IN (Stereo line–in) and Mic , and Audio OUT (Stereo line–out) and Headphones connectors.
Additional controls for audio include a MUTE button and a VOLUME CONTROL knob located on
the front panel.
The audio connectors are standard audio mini–jacks. Hewlett–Packard recommends using
gold–plated plugs available through audio retailers for best quality recording and playback through
the external connectors. The following is a summary of the workstation audio features:
Audio Features
Audio Inputs
Audio Outputs
Audio CODEC Crystal CS4215
audio electrical specifications for this workstation are summarized in Table 1–2.
The
B Class Technical Reference
Hewlett–Packard Preliminary and Confidential
Programmable sample rates:
8kHz, 16kHz, 32kHz, 48kHz, 11.025kHz, 22.05kHz, and 44.1kHz.
Programmable output attenuation:
0 to –96dB in –1.5dB steps
Programmable input gain:
0 to 22.5dB in 1.5dB steps.
Input monitoring:
16–bit linear, 8–bit u–law, or A–law coding
Line–in Mono microphone with 1.5V phantom supply
CD–ROM audio (if internal CD–ROM is installed)
Line–out
Headphone
Mono speaker jacks
Built–in mono speaker
General Information