Audio Support; Opl3-Sa3 Audio System; Opl4-Ml Wavetable Synthesizer - NEC DIRECTION L Manual

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Audio Support

Your system is equipped with the OPL3-SA3 audio system.
The wavetable synthesizer is available as an upgrade.
Details follow.

OPL3-SA3 Audio System

T
16-bit audio codec
T
OPL3 FM synthesis
T
Integrated 3D enhanced stereo controller including all
required analog components
T
Interface for MPU-401 and a joystick
T
Stereo analog-to-digital and D/A converters
T
Analog mixing, anti-aliasing, and reconstruction filters
T
Supports 16-bit address decoding
T
Line, microphone and monaural inputs
T
ADPCM, A-law, or
decompression
T
Full digital control of all mixer and volume control
functions
T
Software switching between rear panel mic in and line in
connectors
T
Plug and Play compatible
T
Complies with Sound Blaster Pro and MS Windows
Sound System standards.

OPL4-ML Wavetable Synthesizer

The optional Yamaha OPL4-ML synthesizer integrates the
OPL3 audio system (described above), general MIDI
processor and wavetable. This wave synthesis results in
richer and more realistic sounds than that of FM synthesis.
It has the following additional features:
C-12 System Specifications
Œ
law digital audio compression and

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