Content (Syllabus outline)
• Introduction: taxonomy of audiovisual services, requirements of audiovisual services – QoS (bandwidth, delay, jitter, loss).
• Protocol relating to multimedia services: RTP, RTSP, SIP basics, NTP protocol.
• Data compression: lossless compression. Huffman code, audio coding (PCM, G.711), image coding (BMP, GIFF, TIFF), video coding (SDI/HD-SDI).
• Encoders audiovisual and its transport over IP. Introduction to the lossy compression: limitations of the human eye and ear. Codecs based prediction of the waveform (DPCM, ADPCM), vocoders (GSM, G.723.1, G.728, G.729), MPEG-Audio Encoders, HomeCinema, transportation of audio codecs over IP, streaming audio.
• Digital image: JPEG codec, JPEG 2000, Video MJPEG, Digital Cinema. Transportation of MJPEG video over IP.
• Digital video: Motion Compensation, Codecs H.261, MPEG-1 / 2, H.263, MPEG, H.264, VP 8, H.265, transmission of coded video signals over IP, video streaming.
• Videoconference over IP: basic concept, technologies.
• IP TV – IP home video: applications, basic concepts, IP TV technologies, case study.
Learning and teaching methods
• lectures,
• tutorials,
• lab work,
• project.
Intended learning outcomes - knowledge and understanding
• explain the fundamentals of digital image and audio processing
• explain the principles and algorithms for digital audio compression
• explain the principles and algorithms for digital image and video compression
• explain the basics of audiovisual services
• understanding technologies for transmitting coded audio and video signals over an IP network
Intended learning outcomes - transferable/key skills and other attributes
• Communication skills: oral lab work defence, manner of expression at written examination.
• Use of information technology: use of digital signal processing software tools.
• Problem solving: designing and implementing of digital signal processing algorithms.
• Working in a group: team lab work
Readings
• H. Kalva: Delivering MPEG-4 Based Audio-Visual Services, Springer Verlag, Berlin Heidelberg, 2013
• Pohlmann, K. C. (2005). Principles of digital audio (5th ed., p. XX, 842). McGraw-Hill.
