fluid sound impedance

sound radiation

Acoustical radiation impedance

Radiation Impedance

a sound mind in a sound body

h sound

з sound

16-bit sound card

3D interactive sound

3D sound

3D sound effect

3D sound localization

6 dB sound beam full wall thickness overlap area

8-bit sound card

8-hour continuous equivalent sound level

8-hour equivalent sound level

a great volume of sound

a learning both sound in theory and practice

a sound banking system

A Symphong of Sound & Color