Digital Audio Processing

10.    Course Goals (acquired competencies):  Introduction to the basics of digital audio processing and the methods and mathematical tools on which it is based. Knowledge of the principles and procedures for production, storage, broadcasting and reproduction of digital audio signals, mastering with methods and techniques for audio compression, as well as streaming audio technology.

11.    Course Syllabus: Basics of dital audio, advantages over analog audio, principles of digitalisation of sound, sampling frequency, oversampling, jitter, quantization, resolution and noise of quantization, dither, noise shaping; an overview of audio systems and features, digital recording, bit rate and compression, DA audio converters, audio formats, audio CDs and DVD audio, digital audio storage, CD playback, audio tape-DAT; working with audio signals in a digital domain; frequency spectrum of audio signals, STFT and spectrogram; filtering audio signals, FIR, IIR, Notch filters; processing audio signals based on delay, echo, reverb; Audio effects; Compression of audio signals, psychoacoustics, PCM, compression techniques (FFT, DCT, subband, with and without loss); compression standards MPEG-1,3; MP-3, AC-3, AAC; standard audio interfaces (USB, SPDIF); streaming over the Internet, architecture, servers, protocols; sound synthesis.

12.    Learning methods:  Combined learning: lectures, auditory and laboratory exercises, supported by presentations and visualization of concepts, active participation of students through tests and problem solving in class, project assignments, invited guest lecturers.