
Actual
Projects
-
Architectural & Room acoustics
- Preservation of the acoustical behaviour of theatres by
"acoustical photography"
- Advanced techniques for the measurement of the
spatial properties of the sound field in rooms
- "Virtual acoustics" reproduction of real or simulated
rooms inside a multi-loudspeaker playback room
- Construction of an artificial sound source with variable
directivity for room acoustical measurements
- Analysis of the sound quality inside small rooms by the
AQT approach
- Digital filters for equalization of sound systems in small
rooms
- Development of Pyramid Tracing computer models for room
acoustics
-
Musical Acoustics
- New recording/reproduction techniques based on microphone
arrays
- dynamic analysis of resonant boards of wood instruments
- synthesis of virtual musical instruments by the
convolution technique
- Environmental noise pollution assessment by measurement
with automated instruments
- Environmental acoustical impact assessement by computer
simulation
- Development of a numerical code for noise mapping in large
urban areas (Citymap)
- Development of a numerical code for detailed analysis of
the performances of sound reduction devices, based on the
pyramid tracing algorithm (Disiapyr)
- Advanced measurement technique for sound propagation on
large distances under notlinear, not time invariant
conditions based on the usage of sine sweeps emitted through
an omnidirectional loudspeaker
- Advanced measurement technique for "in situ" assessment of
the sound absorption and sound insulation of noise barriers
and other sound reductiond evices, based on the impulsive
technique
- Advanced measurement technique for "in situ" assessment of
the sound absorption and sound insulation of noise barriers
and other sound reductiond evices, based on the sound
intensity technique
- Use of microphone arrays and webcams for sound source
localization and one-shot acoustical photography of the
emission of industrial plants, vehicles, aircrafts, etc.
- Integrated audio and video analysis of traffic flows on
roads and railways employing the Eyesweb processing
environment
-
Environmental Vibrations
- Environmental vibration pollution assessment by
measurement with automated instruments
- Advanced measurement technique for propagation of
vibrations on large distances under notlinear, not time
invariant conditions based on the usage of sine sweeps
emited through an electrodynamic shaker
-
Noise and Vibration control AT the
WorkplacE
- Development of Pyramid Tracing computer models for noise
propagation in factories
- Experimental characterization of the sound propagation in
factories by measurement of the spatial decay
- Experimental characterization of the sound power emitted
by industrial noise source by the Sound Intensity technique
- Assessment of the noise and vibration exposure at the
workplace following EC directives.
- Design of devices and systems for noise and vibration
control
- Active noise cancellation by means of loudspeaker arrays
- Active vibration control by means of piezolectric
actuators at audio frequencies
- Analysis of the sound of foods
- Acoustical imaging techniques based on sweep measurement
of the impulse response
- Acoustical imaging techniques based on virtual or physical
transducer arrays
- New algorithms for fast digital filtering on
floating-point DSP processors
- New algorithm for frequency analysis in fractional octave
bands
- DSP control of linear actuators (electromagnetic
loudspeakers)
- DSP boards designed on specification for automated
measuring instrumentation
- PWM power amplifiers and hybrid analog/digital power
amplifiers for efficient amplification of audio signals
- highy efficiency, multiphase voltage boosters for
automotive audio applications
- audiophile quality audio processors and cables

Ph.D.
Positions
Ph.D. positions and postgraduate scholarship are available for
graduates in Engineering or Physics to work on the actual
research projects of Environmental Technical Physics. For
informations please contact prof. Angelo Farina (farina@unipr.it).

LINKS
