Graphical user interface (GUI) menu
■Sound field parameter descriptionsYou can adjust the values of certain digital sound field parameters so that the sound fields are recreated accurately in your listening room. Not all of the following parameters are found in every program.
Sound field parameter |
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| Features |
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Decoder type. Selects the decoder used with the SUR. DECODE, THX, or MOVIE programs. See page 86 for details. | ||||||||||||||||||||||||||||||||||||||||
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Initial delay. Presence, surround, and surround back sound field initial delay. Changes the apparent size of the sound field | ||||||||||||||||||||||||||||||||||||||||
by adjusting the delay between the direct sound and the first reflection heard by the listener. The smaller the value, the | ||||||||||||||||||||||||||||||||||||||||
smaller the sound field seems to the listener. |
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| When you adjust the initial delay parameters, we also recommend that you adjust the corresponding room size parameters | |||||||||||||||||||||||||||||||||||||||
| likewise. This adjustment is especially effective for the CINEMA DSP programs. | |||||||||||||||||||||||||||||||||||||||
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| Control range: 1 to 99 ms (Init. Delay) |
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| 1 to 49 ms (Sur. Init. Delay and SB Init. Delay) |
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| Source sound |
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| Level |
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| Level |
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| reflections | Level |
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| Time | |
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| Time |
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| Delay |
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| Delay |
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| Delay | |||||||||||||||||||||||||||||
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| Sound source |
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| Reflection face |
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| Small value = 1 ms |
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| Large value = 99 ms |
Room size. Presence, surround, and surround back room size. Adjusts the apparent size of the sound field. The larger the value, the larger the surround sound field becomes. As the sound is repeatedly reflected around a room, the larger the hall is, the longer the time between the original reflected sound and the subsequent reflections. By controlling the time between the reflected sounds, you can change the apparent size of the virtual venue. Changing this parameter from one to two doubles the apparent length of the room.
y
When you adjust the room size parameters, we also recommend that you adjust the corresponding initial delay parameters likewise. This adjustment is especially effective for the CINEMA DSP programs.
Control range: 0.1 to 2.0
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| Source sound |
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| Early |
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Level |
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| Level |
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| reflections | Level |
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| Time |
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| Time |
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| Time |
Sound source
Small value = 0.1 | Large value = 2.0 |
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