difference channel meaning

• [Electronics]
  In a stereophonic amplifier, an audio channel that handles the difference between signals in the right channel and those in the left channel.
  

• This pulse is transmitted from the omnidirectional antenna ( or the antenna difference channel ) by the ground station, rather than from the directional antenna ( or the sum channel ).
• The same survey shows a huge differential in Hispanic audience share between Channel 33 and Channel 64 _ 93 percent vs . 7 percent _ a difference Channel 64 disputes using SRC data, which show a much smaller gap between the two.

• "difference channel" meaning in Chinese: 差分通道
• "difference channel" meaning in Japanese: difference channel 弁別チャネル、弁別チャンネル