Tuesday, 25 06 2019

Digital Audio Technology


Digital Audio Technology
Lesson Code:  22Α008
Level:  Undergraduate
Semester:  10ο
eclass:    http://eclass.upatras.gr/courses/EE664/




Analysis of technology history, evolution and market trends. Current developments and future predictions.

Theory of digital audio

Principles of digital audio conversion (samling, quantisation), Oversampling, Noise Shaping, signal arithmetic representation and coding, ADC and DAC subsystems

Coding and compression

Coding formats, data representation, PCM, Σ/Δ, PWM and other relevant audio signal representations. Perceptual audio data reduction, MPEG-1 (MP3), MPEG-2, Dolby, MPEG-4 coding standards. Standards and technologies for audio data transmission and storage, optical disc formats (CD, DVD, BD)

Systems and methods

Structure and general properties of digital audio systems, digital interconnection standards (S/PDIF, AES/EBU, MADI, etc), MIDI, implementation of DSP methods for audio, DSP processor based systems, implementation in software. DSP applications (digital equalization, compression, reverb / delay, moise reduction, etc.). Analysis of systems for typical case studies



Mourjopoulos Ioannis