Environmental Acoustics -- Acoustics of Forests and Acoustic Quality Control of Some Forest Products -- Wood and Wood-Based Materials in Architectural Acoustics -- Material Characterization -- Theory of and Experimental Methods for the Acoustic Characterization of Wood -- Elastic Constants of Wood Material -- Wood Structural Anisotropy and Ultrasonic Parameters -- Quality Assessment -- Wood Species for Musical Instruments -- Acoustic Methods as a Nondestructive Tool for Wood Quality Assessment -- Environmental Modifiers of Wood Structural Parameters Detected with Ultrasonic Waves -- Acoustic Emission -- Acousto-Ultrasonics -- High-Power Ultrasonic Treatment for Wood Processing.