Applied Acoustics Course - Calendar 2014-2015

Applied Acoustics Course - A.Y. 2015/2016

Calendar with link to PPT presentations, AVI audio-video recordings, notes and in-class tests

This page is the course calendar, the link to didactic material (Powerpoint slides, audio-video recording of the lessons, notes taken by student of previous year), and contains links to in-class tests, to their results and, at the bottom of the page, to the final results of in-class activity.
It must be remembered that this is a "flipped classroom" course, and the main goal of the in-class tests is NOT to pass the exam directly!
The goal is to learn the technical topics of Applied Acoustics: the possibility that these in-class tests provide the partial or total exemption from the final written tests is just a possibility which will be reached by a small number of excellent students.
For all the others (the majority), the in-class test will NOT provide exemption from the exam tests, but it is expected that students who follow the course in its entirety and take part to the in-class tests will reach enough confidence in the matter, so that they will pass the final exam easily.

N.	Date	Time	Topic	Presentation	Recording	Registrazione	Note
0	02/10/2015	14.30-15.40	Course introduction, program, web page
1		15.50-16.50	Nature of sound, fundamental physical quantities
2		17.00-18.00	Energy & Sound, scale of decibels
3	09/10/2015	14.30-15.40	Human auditory system, loudness evaluation, weighting curves
4		15.50-16.50	The Sound Level Meter, equivalent level, calibration, time history with different time constants (slow, fast, etc.)
5		17.00-18.00	Sum and subtraction of values in dB, examples of dB summation, Spectral Analysis, FFT, octave bands, Bark bands TEST (2015) - Results
6	23/10/2015	14.30-15.40	Free Field sound propagation, point sources, spherical divergence, directivity
7		15.50-16.50	Linear sources, cylindrical divergence, excess attenuation
8		17.00-18.00	Noise screens, Maekawa formulas, examples TEST (2015) - Results
9	30/10/2015	14.30-15.40	Indoor sound propagation, semi-reverberant field, critical distance
10		15.50-16.50	Reverberation time, definition and Sabine's formula
11		17.00-18.00	Environmental correction factor K2, sound propagation inside not-Sabinian rooms. TEST (2015) - Results
12	06/11/2015	14.30-15.40	Digital sampling of sound, digital filters, FFT, convolution in time and frequency domain
13		15.50-16.50	Measurement of impulse response: impulsive sources, microphones - Warning: this activity requires very loud sound signals, so it is recommended to carry protective devices (earplugs, etc.) - it is also recommended to bring a recording device (laptop, smartphone, tablet) equipped with software capable of recording uncompressed WAV files.
14		17.00-18.00	Measurement of impulse response: loudspeakers, MLS and ESS methods TEST (2015) - Results
15	13/11/2015	14.30-15.40	ISO3382 standard, acoustical parameters: T20, T30, EDT, Clarity, Definition, Center Time, IACC, Jlf, G
16		15.50-16.50	Speech Transmission Index: measurement and calculation
17		17.00-18.00	Sound absorbing materials, typical products. Example of measurement of Alpha Sabine according to ISO 354 (reverberant room) TEST (2015) - Results
18	20/11/2015	14.30-15.40	Sound insulating materials, typical products. Frequency dependence of the Sound Reduction Index R, the Mass law, resonances and coincidence.
19		15.50-16.50	Italian law about building acoustics (DPCM 5/12/1997), experimental assessment of compliance
20		17.00-18.00	Italian law about environmental noise (L. 447/1995), acoustical zoning, the new EC standards based on Lden - Results TEST (2015) - Results
21	27/11/2015	14.30-15.40	The Single Event Level (SEL) and its usage for evaluation of transportation noise
22		15.50-16.50	Examples and exercises regarding environmental noise
23		17.00-18.00	Examples and exercises regarding noise at the workplace TEST (2015) - Results
24	04/12/2015	14.30-15.40	Digital Sound Processing, FIR and IIR filters, FFT, aliasing, windows, spectrogram
25		15.50-16.50	Fast convolution by FFT, partitioned convolution, computation of FIR coefficients for inverse filters, the Kirkeby inversion
26		17.00-18.00	Measurement of the absorption coefficient: reverberant room, standing wave tube, sound intensity method, impulsive method TEST (2015) - Results
30	11/12/2015	14.30-15.40	The Hour of Code - writing small programs (plugins) for audio
31		15.50-16.50	The Hour of Code - using visual programming for audio processing
32		17.00-18.00	The Hour of Code - examples of coding Complete the following Javascript tutorial on Codeacademy prior of the in-class test: CODEACADEMY HOUR OF CODE TEST (2015) - Results
27	18/12/2015	14.30-15.40	Techniques employed for sound recording and reproduction, mono, stereo, multichannel, 3D, the Soundfield microphone, Ambisonics
28		15.50-16.50	Wave Field Synthesis (WFS), loudspeaker arrays, the Casa del Suono lab in Parma
29		17.00-18.00	Microphone arrays, virtual microphones, the RAI project
33	18/12/2015	14.30-15.40	Simulation of sound propagation outdoors employing the DISIA/CITYMAP software package
34		15.50-16.50	Simulation of sound propagation indoors employing the RAMSETE/AURORA software package
35		17.00-18.00	TEST (2015) - Results
The final results of the in-class tests of current year 2015/2016 are visible clicking here.

Copyright (C) Angelo Farina – all the material posted here cannot be reproduced or broadcasted without authorization.
Last revision: 29 December 2015