21 Terms
Contributors in Video
Video
Acoustic echo canceller
Entertainment; Video
Full-duplex audio technology; used for the elimination of acoustically-coupled return echoes within a teleconference room. Note that all microphones connected to an AEC are active at all times. ...
Acoustic shadow
Entertainment; Video
An area in which sound waves are attenuated due to the presence of an acoustic absorber or reflector in the path of the sound waves.
Acoustic suspension
Entertainment; Video
A type of speaker design using a sealed cabinet. Primarily used for low frequency enclosures, acoustic suspension designs use the air mass within the cabinet as a “spring” to help return the ...
Active line time
Entertainment; Video
The duration of a scanning line minus that period devoted to the horizontal blanking interval.
Active lines
Entertainment; Video
The total number of scanning lines minus those scanning lines devoted to the vertical blanking interval.
Active picture
Entertainment; Video
That portion of the ITU-R BT.601 digital picture signal between the SAV and EAV data words.
