080290083 Engineering Acoustics ECE 8th Semester Anna University Coimbatore Syllabus Regulation 2008

Anna university Coimbatore Syllabus

080290083 Engineering Acoustics ECE 8th Semester Anna University Coimbatore Syllabus Regulation 2008

Department of Electronics and Communication Engineering 

Meant for Anna University Coimbatore

Syllabus 

(Regulation 2008/2010)

___________________________________________________________________________________

Details:

University:Anna University

Year: Fourth Year

Department: B.E Electronics and Communication Engineering 

Semester:  (VIII) 

Content: 080290083 Engineering Acoustics ECE 8th Semester Anna University Coimbatore Syllabus Regulation 2008

Post Type: Syllabus

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UNIT I FUNDAMENTAL OF ACOUSTICS                                                           

Acoustics waves – Linear wave equation – sound in fluids – Harmonic plane waves – Energy density – Acoustics intensity – Specific acoustic impedance – spherical waves

– Describer scales-Transmission from one fluid to another normal and oblique

incidence – method of images-

UNIT II                  RADIATION AND RECEPTION                                                

Radiation from a pulsating sphere – Acoustic reciprocity – continuous line source - radiation impedance - Fundamental properties of transducers- Absorption from viscosity – complex sound speed and absorption – classical absorption coefficient

UNIT III HEARING & SPEECH- PIPES RESONATORS AND FILTERS        

Physiology of speech and hearing- fundamental properties of hearing – loudness level and loudness – pitch and frequency – voice- Noise- spectrum level and band level – combing band levels and tones – detecting signals in noise – detection threshold - Resonance in pipes - standing wave pattern absorption of sound in pipes – long wavelength limit – Helmoltz resonator - acoustic impedance - reflection and transmission of waves in pipe - acoustic filters – low pass- high pass and band pass.

UNIT IV                ARCHITECTURAL ENVIRONMENTAL ACOUSTICS           

Sound in enclosure – A simple model for the growth of sound in a room – reverberation time - Sabine- sound absorption materials – measurement of the acoustic output of sound sources in live rooms – acoustics factor in architectural design-Weighted sound levels speech interference – highway noise – noise induced hearing loss – noise and architectural design specification and measurement of some isolation design of

portions-

UNIT V                 LOUD SPEAKERS & MICROPHONES                                   

Transducer network – canonical equation for the two simple transducers transmitters – moving coil loud speaker – loudspeaker cabinets – horn loud speaker- receivers – condenser – microphone – moving coil electrodynamics microphone piezoelectric microphone – calibration of receivers-

REFERENCES :

TOTAL: 45

1.  Lawerence E-Kinsler- Austin- R-Frey- Alan B-Coppens- James V-Sanders- Fundamentals of Acoustics- 4ht edition- Wiley- 2000-

2.  Robert D.Finch, Introduction to Acoustics, PHI New Delhi 2008.

3.  L-Berarek - “Acoustics” - McGraw-Hill 2000-

4.  Frank J. Fahy ,Foundations of engineering Acoustics

4     Michael Möser, Engineering Acoustics, Springer; 1 edition (March 19, 2004)

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