Digital Signal Processing

As we’ve seen in the previous channel, to create sound from a speaker we need an analog signal, but our computers are digital. How can we convert this digital signal (e.g. a MP3 file) to an analog signal (e.g. the speakers of your PC)?

Digital to Analog Converters (DAC)

TODO: explain digital to analog converters

Further Reading:

• Digital To Analog Converter (Wikipedia)
• Digital Signal Processing (Wikipedia)