How to select the surround back decoding mode
You can select the surround back mode you want according to the input stream.
When you select “SB OFF”
Surround back decoding is not performed.
When you select “SB AUTO”
When the input stream contains the 6.1 channel decode flag*1, the appropriate decoder is applied to decode the surround back signal.
For the
For the
Input stream | Output channel | Applied surround back decoder |
Dolby Digital 5.1 | 5.1 | — |
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DTS 5.1 | 5.1 | — |
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Dolby Digital EX*2 | 6.1 | Matrix decoder conforms to Dolby Digital EX |
6.1 | DTS Matrix decoder | |
6.1 | DTS Discrete decoder |
When you select “SB MTRX”
Dolby Digital EX is applied to decode the surround back signal regardless of the 6.1 channel decode flag*1 in the input stream. This decoder conforms to Dolby Digital EX and functions the same as the decoders used in movie theaters. This decoder can be used for all the Surround EX formats (Dolby Digital EX,
Input stream | Output channel | Applied surround back decoder | |
Dolby Digital 5.1 | 6.1 | Matrix decoder conforms to Dolby Digital EX | |
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Dolby Digital EX | 6.1 | Matrix decoder conforms to Dolby Digital EX | |
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DTS 5.1 | 6.1 | Matrix decoder conforms to Dolby Digital EX | |
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6.1 | Matrix decoder conforms to Dolby Digital EX | ||
6.1 | Matrix decoder conforms to Dolby Digital EX | ||
*1 | 6.1 channel decod flag is the information recorded in software like DVDs. | ||
*2 | Dolby Digital DVD that includes a Surround EX flag. The Dolby Corporation web page can help you | ||
| distinguish Surround EX films. |
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*3 | Software encoded with a flag to denote it has both Surround EX and 5.1 channel signals. | ||
*4 | Software encoded with both 5.1 channel signals and an extension stream designed for returning those signals to | ||
| 6.1 discrete channels. Discrete 6.1 channel signals are DVD specific signals not used in movie theaters. | ||
Surround Enjoying Sound