Category 1
Audio and Electroacoustics

1.1	Transducers
1.2	Active noise control
1.3	Echo cancellation
1.4	Auditory modeling and hearing aids
1.5	Broadband and perceptual coding
1.6	Musical applications
1.7	Spatial audio
1.8	Hardware and software systems
1.9	Consumer and professional audio
1.10	Other (specify)