Audio Post Production Knowledge Base

Today's Audio Term: Matrix When audio engineers matrix...

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7.1 Multi-channel Audio
7.1 refers to multi-channel audio intended to be monitored through eight channels: seven full frequency range (20Hz to 20KHz) channels and one frequency limited (below 120Hz) channel for the LFE (Low Frequency Effects), or Subwoofer track. 7.1 multi-channel audio has several theoretical channel

Lt/Rt
Lt/Rt (Left total / Right total) stereo indicates two channels of program that exist as an encoded matrix of four discrete source channels. When Dolby® decoded, the two-channel matrix will play back as LCRS (left, center, right, surround). Lt/Rt tracks are also designed to sound natural in a two

Phasing
Phasing is a steady or variable cancellation of frequencies created when two copies of identical program material are combined with very small variations in timing. The timing variations that cause phasing are up to approximately 1/2 a video frame apart. When the timing variation between the