BNO Acoustics YM-44 Flutter

1) High-frequency variations in pitch of a recorded waveform due to fast speed variations in a recorder or playback machine.
2) Originally, and more formally, any variations (fast or slow) in pitch of a recorded tone due to speed fluctuations in a recorder or playback unit.

Horn
1) The part of the speaker that emits midrange and higher range frequencies.
2) A speaker or speaker enclosure where sound waves are put into a narrow opening (by a speaker cone or driver) and the narrow opening flairs out to a larger opening.

BNO Acoustics TR-12 Ambient Micing
Placing a microphone in the reverberant field (where the reverberation is louder than the direct sound) so as to do a separate recording of the ambience or to allow the recording engineer to change the mix of direct to reverberant sound in recording.

Auxiliary Input or Return
A route back into the sound desk for a signal sent to a piece of outboard equipment via an auxiliary send.

BNO Acoustics Speakers AES/EBU
Professional Interface A standard for sending and receiving digital audio adopted by the Audio Engineering Society and the European Broadcast Union.

Foot Switch
A switch placed on the floor and pressed by a musician to do various functions.

Corner Frequency
Same as Cut-Off Frequency (the highest or lowest frequency in the pass band of a filter). (NOUN)

Flange
An effect caused by an approximately even mix of a modulated (varying) short delay with the direct signal.