Compaq Armada 1700 Reference Manual page 100

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chapter
The computer provides both internal and external audio
capabilities. You can record and play sound, enhance an
interactive demonstration with high-quality stereo sound, and take
advantage of business programs, presentations, and multimedia
educational and entertainment software.
The internal microphone supports audio input for spoken
comments. An external electret condenser microphone can also be
used to record voice or sound.
The integrated stereo speakers support sound output for WAV file
and MIDI playback, and audio from the optional CD-ROM drive.
They also support external audio input devices such as a
CD player, tape deck, or stereo tuner connected to the computer
through the microphone line-in jack. Headphones or external
speakers can be connected to the computer through the stereo
speaker/headphone jack.