Sound Card

A sound card is an interface between an audio source – like a microphone – and a computer. Also, it is the interface between the computer's digital audio application and output, like analog line out. The sound card is either built-in or is an independent box containing connectors and level controls for audio and a digital connection utilizing USB, FireWire or Thunderbolt.

Background Knowledge

Getting from a to d - and back-on digital conversion

By introducing the MMA-A Digital Audio Interface, DPA Microphones has moved into the field of analog to digital conversion. Basically, it is all about the transformation of an analog, continuous signal into discrete numbers. This article describes the general terms applicable to audio conversion.

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