Audio and speakers
Timbre matching
Using speakers with the same tonal character across all channels so that sounds keep their voice as they pan around the room.
Timbre is the tonal fingerprint of a speaker, set by its drivers, crossover, and cabinet. Timbre matching means choosing front, center, surround, and height speakers whose fingerprints agree, ideally from the same series or sharing the same tweeter and midrange.
Surround mixes constantly hand sounds from one speaker to the next. If the center sounds darker than the left and right, dialogue changes voice as an actor crosses the frame, and a fly-over shifts tone as it moves to the surrounds.
The front three channels matter most and should be as close to identical as possible; surrounds and heights can be smaller models from the same family. Room correction can flatten differences of a few decibels, but it cannot make a different tweeter sound the same.
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