Nr838

lung198674

Nr838喺非atmos碟下用thx模式靚聲啲定係Dolby surround模式好啲？

Dan0412

Hello lung198674,

a common misconception that THX modes are somehow equivalent or similar to Dolby Digital and DTS. They are not the same thing at all. Dolby Digital and DTS are codecs (coder/decoders) that are used by content creators to encode sound so it takes less storage space and bandwidth, and then by A/V receivers and preamp/processors to decode the audio information so it can be played back.

THX modes do not encode or decode audio—instead, they process the sound after it has been decoded by the Dolby Digital, DTS, or any other codec. For example, THX applies Re-Equalization (Re-EQ), Timbre Matching, and Adaptive Decorrelation to the audio decoded by Dolby Digital. So we don't choose one or the other—instead, we choose whether or not to apply THX post-processing to the decoded audio. If THX is enabled, the AVR applies THX post-processing to the Dolby Digital soundtrack; if we choose Dolby Digital, the THX post-processing is not applied to the audio.

To wrap it up, THX isn’t actually a format, rather a series of quality guidelines defined by THX.

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