Research areas

A. Acoustical Measurements

  • Measurements of reverberation time using impulse, statistical and TDS methods.
  • Measurements of absorption coefficient.
  • Measurements of transmission loss coefficient.
  • Statistical analysis of noise and traffic noise.
  • Ancient theaters' acoustic modelling and measurements.
  • Research on sound intensity measurements.
  • Ray-tracing modelling.
  • Loudspeaker and microphone measurements.
  • Electroacoustic equipment measurements.

B. Audio Signal Processing

  • Noise reduction.
  • Restoration of old recordings.
  • Evaluation of noise reduction methods.
  • Audio compression methods.

C. Voice Processing

  • Speech analysis and processing
  • Voice recognition
  • Analysis, processing and improvement of voice
  • Understanding by people with special needs (e.g. stuttering, laryngectomized e.t.c.)
  • Evaluation of phoniatric treatment methods using experienced/intelligent systems

D. Musical Acoustics

  • Analysis of sound production and emission from various musical instruments (guitar, flute, bells e.t.c.).
  • Musical instrument testing.

E. Psychoacoustics and Music Cognition

  • Computer aided audiometry.
  • Experimental research on the categorical perception of musical rhythm.
  • Evaluation of neural net, beat induction models.
  • Evaluation of commercial and experimental systems for the quantization of musical time.
  • Application of Lerdahl and Jackendof's "Generative Theory of Tonal Music" on the analysis of Greek composers' works.
  • Perception of everyday sound sources through a surround sound system supported by 3D images.

F. Music Education

  • Development of music education tools for a "sonic movement" environment.
  • Development of standardized tests for the detection of childrens' musical abilities.
  • Development of interactive musical courses for distance learning through the inernet.

G. Recording, Processing and Playback of Video and TV Signals

  • Research in HDTV formats.
  • Computer graphics.
  • Video processing using linear, non-linear and on/off systems.
  • Production of television effects in real time.
  • Computer aided design of 2D/3D graphics.

H. Multimedia

  • Teleconferencing through the use of optical LAN transmission.