|
SOUND CARD |
|
Inputs and Outputs |
|
Inputs |
Line
in
Microphone in
MIDI
in
|
|
|
Outputs |
Line out
Headphone out
MIDI OUT (To an
external Synthesizer)Digital out (SPDF) The numbers are sent out
bypassing the DAC resulting in no loss of sound quality |
|
|
Internal |
|
Synthesizer |
Used by software programs to play MIDI files
Cheaper sound cards have only FM synthesis.
Better sound cards have powerful samplers |
|
|
DAC |
Converts numbers into an electrical signal that can
be used by speakers or an external device
Consumer cards (sound blaster) have a high latency (the time it
takes the sound card to generate sound). Profession cards
(Audiophile) have a low latency |
Signal is sent to the Line Out |
|
ADC |
Converts an audio signal into numbers for processing
and storage in the computer |
Signal arrives from either the Line In or Mic In |
|
MIDI |
Transmits and/or received data from an external
device - Keyboard or Synthesizer |
Data is transmitted through the game port - A special
adaptor is needed to connect to a keyboard |
