Applied Acoustics Course - A.Y.
2012/2013 |
Course
Calendar with link to PPT presentations, AVI audio-video recordings and
handouts |
N. |
Date |
Time |
Topic |
Presentation |
Recording |
Handout |
Score |
0 |
05/10/2012 |
14.30-15.40 |
Course introduction, program, web page Angelo Farina |
|
|||
1 |
05/10/2012 |
15.50-16.50 |
Nature of sound, fundamental physical quantities Diana Petrolo |
4 | |||
2 |
05/10/2012 |
17.00-18.00 |
Energy & Sound, scale of decibels Samanta Robuschi |
3 | |||
3 |
12/10/2012 |
14.30-15.40 |
Human auditory system, loudness evaluation, weighting curves Daniele Friggeri |
4 | |||
4 |
12/10/2012 |
15.50-16.50 |
The Sound Level Meter, equivalent level,
calibration Francesco Valenti |
5 | |||
5 |
12/10/2012 |
17.00-18.00 |
Sum
and subtraction of values in dB,
Andrea Giannetti |
5 | |||
6 |
19/10/2012 |
14.30-15.40 |
Free Field sound propagation, point sources, spherical divergence, directivity Matteo Meschieri |
5 | |||
7 |
19/10/2012 |
15.50-16.50 |
Linear sources, cylindrical divergence, excess attenuation Martina Miraglia |
4 | |||
8 |
19/10/2012 |
17.00-18.00 |
Noise screens, Maekawa formulas, examples Alessandro Ghiacci |
4 | |||
9 |
26/10/2012 |
14.30-15.40 |
Indoor sound propagation, semi-reverberant field, critical distance
Gianmaria Gennari |
4 | |||
10 |
26/10/2012 |
15.50-16.50 |
Reverberation time, definition and Sabine's formula
Luca Colombo |
3 | |||
11 |
26/10/2012 |
17.00-18.00 |
Environmental
correction factor K2, sound propagation inside not-Sabinian
rooms. |
3 | |||
12 |
09/11/2012 |
14.30-15.40 |
Digital sampling of sound, digital filters, FFT, convolution in time and frequency domain Ferrari Gabriele |
2 | |||
13 |
09/11/2012 |
15.50-16.50 |
Measurement of impulse response: impulsive sources, microphones Vaiti Valentina |
1 | |||
14 |
09/11/2012 |
17.00-18.00 |
Measurement of impulse response: loudspeakers, MLS and ESS methods Gazza Manuel |
2 | |||
15 |
16/11/2012 |
14.30-15.40 |
ISO3382 standard, acoustical parameters: T20, T30, EDT, Clarity, Definition, Center Time, IACC, Jlf, G Brianti Giovanni |
4 | |||
16 |
16/11/2012 |
15.50-16.50 |
Speech Transmission Index: measurement and calculation Biancardi Francesco |
2 | |||
17 |
16/11/2012 |
17.00-18.00 |
Sound absorbing materials, typical products. Example of measurement of Alpha Sabine according to ISO 354 (reverberant room) Capriotti Susanna |
4 | |||
18 |
23/11/2012 |
14.30-15.40 |
Sound insulating materials, typical products. Frequency dependence of the Sound Reduction Index R, the Mass law, resonances and coincidence. Owusu Samuel |
1 | |||
19 |
23/11/2012 |
15.50-16.50 |
Italian law about building acoustics (DPCM 5/12/1997), experimental assessment of compliance Minardi Stefano |
2 | |||
20 |
23/11/2012 |
17.00-18.00 |
Italian law about environmental noise (L. 447/1995), acoustical zoning, the new EC standards based on Lden Zanardi Federico |
3 | |||
21 |
30/11/2012 |
14.30-15.40 |
The Single Event Level (SEL) and its usage for evaluation of transportation noise Bussolati Federico |
5 | |||
22 |
30/11/2012 |
15.50-16.50 |
Examples and exercises
regarding environmental noise |
|
|||
23 |
30/11/2012 |
17.00-18.00 |
Examples and exercises
regarding noise at the workplace |
|
|||
24 |
07/12/2012 |
14.30-15.40 |
Digital Sound Processing,
FIR and IIR filters, FFT, aliasing, windows, spectrogram |
2 |
|||
25 |
07/12/2012 |
15.50-16.50 |
Fast convolution
by FFT, partitioned convolution, computation of FIR coefficients for inverse
filters, the Kirkeby inversion |
4 | |||
26 |
07/12/2012 |
17.00-18.00 |
Measurement of the absorption coefficient: reverberant room, standing wave tube, sound intensity method, impulsive method
Freddi Chiara |
3 | |||
27 |
14/12/2012 |
14.30-15.40 |
Techniques employed for sound recording and reproduction, mono, stereo, multichannel, 3D, the Soundfield microphone, Ambisonics Mori Andrea |
3 | |||
28 |
14/12/2012 |
15.50-16.50 |
Wave Field Synthesis (WFS), loudspeaker arrays, the Casa del Suono lab in Parma Addona Fabio |
|
5 |
||
29 |
14/12/2012 |
17.00-18.00 |
Microphone arrays, virtual microphones, the RAI project Morini Claudio |
1 | |||
30 |
21/12/2012 |
14.30-15.40 |
Simulation of sound propagation outdoors employing the DISIA/CITYMAP software package Andrea De Dominicis |
2 | |||
31 |
21/12/2012 |
15.50-16.50 |
Simulation of sound propagation indoors employing the RAMSETE/AURORA software package Andrea De Dominicis |
3 | |||
32 |
07/01/2012 |
09.00-13.00 |
Lab Experiments
about impulse response measurements with Aurora |
|
|
|
|
33 |
09/01/2012 |
09.00-13.00 |
Lab Experiments
about computer simulation of sound inside a room with Ramsete
|
|
|
|
|
34 |
11/01/2012 |
09.00-13.00 |
Lab Experiments about computer simulations of sound propagation outdoors with DISIA package. |
|
|
|
Legenda:
1-23 |
Lessons followed both by students of
Engineering (6 CFU) and by students of Techniques of Prevention (3 CFU) |
24-31 |
Lessons followed by students of
Engineering (6 CFU) only |
32-34 |
Lab sessions, mandatory for students
who want to make their Thesis in Applied Acoustics |
Copyright (C) Angelo Farina – all the material posted here cannot be
reproduced or broadcasted without authorization.
Last revision: 9 February 2013