TENTATIVE EEL 6935 COURSE OUTLINE
MAY 16 L01 Nature of sound
simple harmonic motion, RMS value
propagation of sound, ball and spring model
pressure, velocity
threshold of hearing
energy and power
acoustical strength, decibels
measuring sound pressure levels
radiation
HANDOUT: Syllabus
Chap 1 Physical description of signals by William Hartmann
in Hearing, edited by Moore
MAY 18 L02 Properties of sound waves
inverse square law
attenuation of sound in air, temperature, humidity etc.
reflection
refraction
diffraction, as a function of frequency
absorption of sound, different materials
superposition of sound
HANDOUT: Chapter 4 Sound waves and the great outdoors
in The Master Handbook of Acoustics by Everest
MAY 23 L03 Comb filter Effect
Human hearing overview
incredible dynamic range in intensity and frequency
outer ear
pinna
ear canal
tympanic membrane, vibration at threshold
middle ear
3 bones, function
acoustic reflex
eustachean tube
inner ear, cochlea
waveflow, bassilar membrane displacement
HANDOUT: Chapter 9 The Auditory System
in Understanding the Nervous System by Deutsch
MAY 25 L04 Continue with cochlea
auditory filter shapes
inner hair cells
outer hair cells
spikes
dynamic range
HANDOUT: NONE
MAY 30 L05 Purvis
HANDOUT: NONE
JUN 01 L06 Purvis
HANDOUT: NONE
JUN 06 L07 Intensity and Loudness
psychoacoustics
equal loudness contours
definition of a phon
numerical judgements, power laws
double loudness by increasing intensity by factor of 10
definition of a sone
just noticable differences
wideband vs. narrowband
HANDOUT: NONE
JUN 08 L08 Critical bands
constant Q filters
cochlea tuning vs. neuron tuning vs. auditory filters
critical band masking
noise power
equivalent rectangular bandwidth (ERB)
notched noise masking
Bark scale
gammatone filters
how does masking occur?
HANDOUT: Project description
Chapter 9 Practical Applications
in Psychology of Hearing by Moore
Chapters 4 and 10 Intensity and Loudness, Auditory Filters
Signals, Sound and Sensation by Hartmann
JUN 13 L09 No class, individual project meetings
JUN 15 L10 Review
Loudness applications
critical bands
noise abatement
masking
Temporal Processing
temporal acuity
30ms or 2ms?
temporal integration
standard model: BPF-nonlinear-integration-decision
leaky integrator-classical theory
tau is 100-200ms but function of frequency and intensity
HANDOUT: Chapter 6 Temporal Integration and Temporal Resolution
by Eddins and Green in Hearing, edited by Moore
JUN 20 L11 Audiology and Hearing Aids
HANDOUT: HW#1
JUN 22 L12 Pitch perception
Place model
Temporal model
Projects: Anik Basu, biologically plausible pitch perception
JUN 27 No class, Summer Break
JUN 29 No class, Summer Break
JUL 04 No class, Holiday
JUL 06 L13 Binaural localization
Projects: Rahul Ghosh
JUL 11 L14 Monaural localization
Projects: Kaibo Liu and Syed Sassen
Eddy Panellas
Hong Lu, 3D synthetic environment
Horowitz and Arnold, 3D localization of sound
JUL 13 L15 Precedence effect, echo cancelation
Projects: Dongho Han, echo cancelation
Jose Arteaga, precedence effect
Vikas Meka, noise cancellation microphone
JUL 18 L16 Cocktail Party Effect
Projects: Deniz
JUL 20 L17 Classical beamforming
Projects: Surena Neshvad
JUL 25 L18 Weird stuff
Projects: Paul Baker, short pulse communication
Craig Ruppel, insect hearing
Ismet Sahin, Cochlea implants
Xi Li, bat echo localization
JUL 27 L19 Speech perception
Projects: GS Shayan, spectral differences
Tom Reinke
Marc Boillot
AUG 01 L20 Room acoustics Rob Rox
AUG 03 L21 Perceptual Coding
Projects: Boonsongsup, simulation of room acoustics
Stephen Johnson
Adrian Pearson, mp3
Guo, wavelet coder
AUG 08 L22 Final project presentations
Projects: Sunil Bhardwaj, microphone limitations
Jin Feng Huang, silicon cochlea
Dongming Xu, wavelets for feature extraction
Sowmiya, ratio spectrum coding
Jose Arteaga Precedence effect
Anik Basu Bilogically Plausible Pitch Perception
Rahul Ghosh Binaural Sound Localization
Eddy Panellas localization
AUG 10 L23 Final project presentations
Projects:
Vikas Meka Adaptive Noise Cancellation in Speech Signal
Dongho Han Active noise canceller implementation on TMS320C50 DSP
Stephen Johnson ACOUSTIC ROOM EQUALIZATION USING ADAPTIVE DIGITAL FILTERS
Paul Baker (?)
Craig Ruppel Insect hearing
Hong Lu 3D Synthetic Environment
Kaibo Liu and Syed Hassan Java implementation of 3D Synthetic Environment