XM 9154
ELECTRONIC MEDIA INSTRUMENTATION
LT P C
3 0 0 3
AIM
To provide the exposure of Emergent trends in Communication and Media technology.
UNIT I ACOUSTICS
9
Classification of sound – Characteristics of musical sound, Loudness – Weber Fechner law – decibel, Phon Sone –
Reverberation – Reverberation time – Derivation of Sabine’s formula for reverberation time (Rate of Growth and Rate
of Decay) Absorption coefficient and its determination – Factors affecting acoustics of buildings(Optimum
reverberation time, Loudness, Focusing, Echo, Echelon effect, Resonance and Noise) and their remedies.
UNIT II BROADCASTING BASICS
9
Analog radio, Digital radio, Satellite radio, Audio blogging – RSS – Pod safe music – Analog television, Digital
television. Working principle of Video Camera, Consoles, Video hosting/Download services, Internet radio and
television, Digital media production, Sound and Vision, Image Capture techniques, Web-based social interaction.
UNIT III BASIC PRINCIPLES OF COMMUNICATION
9
Basic communication systems, Modulation and Demodulation in communication systems, Electromagnetic Waves:
The Carriers of Electric Signals, Analog Communication, Digital Communication, Communication Channel, Baseband
and Pass band Transmission, Multiplexing Techniques and Principles of AM & FM.
UNIT IV FUNDAMENTALS OF RADIATION ANTENNA
9
Definition of antenna parameters – Gain, Directivity, Effective aperture, Radiation Resistance, Bandwidth, Beam
width, Input Impedance. Matching - Baluns, Polarization mismatch, Antenna noise temperature, Radiation from
oscillating dipole, Half wave dipole. Folded dipole, Yagi array.
UNIT V NEW TRENDS IN INSTRUMENTATIONS
9
Scope of development and fabrications of required equipment indigenously in electronic media – Trend of technology
development in the area of the course and in indigenous development.
Total 45 periods
TEXT BOOKS
1. Graham Jones, A Broadcast Engineering Tutorial for Non-Engineers, Focal Press, 2005.
2. Gaur R.K . and Gupta S.L., Engineering Physics, 8th edition, Dhanpat Rai Publications (P) Ltd., New Delhi,
2003.
REFERENCES
1. John D Kraus Antennas McGraw Hill, 2002.
2. Simon Haykin, ’Communication Systems’, 4th Edition, McMaster University