Why, when and where do you need them?
• You just purchased a new LCD or Plasma TV (Digital Output) and you need to get the sound through your Stereo System (Analog Input)? You need a DAC!
• Your new digital speaker system (Digital Input) won’t work with your old stereo receiver (Analog Output) You need an ADC!
• You have run out of digital inputs on your new home theater system and you want to connect your MP3 player that only has a digital audio output. You need a (DAC)!
What are these things?!
Digital to Analog Audio Converters (DAC's) convert either LPCM or Bitstream digital audio on Coax or Optical Toslink to Stereo Left/Right Audio.
Analog to Digital Audio Converters (ADC's) convert Stereo Left/Right analog audio into LPCM Digital Audio for either Coax or Optical Toslink Input.
More about analog and digital audio
Learning Your ADCs and Your DACs (Digital Analog Audio Converters)
Audio - analog and digital (PDF coming soon)
Bitstream vs PCM (LPCM) when using a DAC or in your Home Theater Setup
Common Analog/Digital conversion problems and solutions
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