Orchid SoundWave 32, Руководство пользователя

Страница: 67 / 75

SoundWave 32 User's Manual 65
Appendix B: Glossary
CONFIG.SYS The file that contains specific con-
figuration instructions for DOS during boot up. You
can customize this file to tell DOS about your com-
puter hardware setup.
D
DAC Digital-to-Analog Converter. A converter
used to turn digital information into sound waves.
data compression Encoding data to take up less
storage. Text files can be compressed the most. Some
graphics files leave little room for compaction, others
compress well. Sound files compress each time the
ratio increases, however, the sound quality decreases.
DSP Digital Signal Processing. A category of tech-
niques that analyze signals from a wide range of
sources, such as voice and sound. It converts the
signals into digital data and analyzes it using various
algorithms. The DSP chip on the SoundWave 32 card
is programmable to allow control of the sound gen-
eration.
dynamic filtering Helps eliminate electronic emis-
sions from the PC that can show up as noise in the
sound card output.
DMA Direct Memory Access. A method of trans-
porting data between memory and peripherals, which
frees the CPU to perform other tasks.
DOS Disk Operating System. The link between
software and hardware where a collection of pro-
grams and command-line processors control the use
of the entire system.
E
embedding The process of inserting informa-