spat - stan
- spatial angle
- spatial coherence
- spatial correlation
- spatial discrimination
- spatial dispersion
- spatial displacement
- spatial filtering
- spatial frequency
- spatial harmonic
- spatial inhomogeneity
- spatial isolation
- spatial orientation
- spatial period
- spatial redundancy
- spatial resolution
- spatial selectivity
- spatial variation
- spatial wave
- speak live
- speak over telephone
- speak to microphone
- speaker
- speaker acoustic system
- speaker makes an announcement
- speaker microphone
- speaker recognition
- speaking key
- special effects
- special effects enhance perception
- special effects generator
- special effects monitor
- special unit
- special-effects equipment
- special-effects generator
- special-purpose computer
- specialized exhibition
- specialized firm
- specific energy
- specific mass
- specific power