Sony SAVA-D900 Operating Instructions (primary manual) - Page 26
Customizing Sound Fields, Adjusting the surround parameters
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Playing Discs Customizing Sound Fields x dts LFE MIX (dts Low Frequency Effect mix level) Initial setting: 0 dB This parameter lets you attenuate the level of the LFE (Low Frequency Effect) channel output from the subwoofer without effecting the level of the bass frequencies sent to the subwoofer from the front, center, or rear channels via the "dts" bass redirection circuitry. • The level can be adjusted in 1 dB step from -20 dB to +10 dB (line level). • Selecting MUTING mutes the sound of the LFE channel from the subwoofer. However, the low frequency sounds of the front, center, or rear speakers are output from the subwoofer. zAbout the level differences in the LFE MIX settings The "dts LFE" level is set to +10 dB and "LFE MIX" (Dolby Digital) is set to 0 dB. This is because there is an initial difference of 10 dB in the overall mix between the Dolby Digital and dts LFE channel levels. Essentially, with the "dts LFE" level set to +10 dB and the "LFE MIX (Dolby Digital)" level set to 0 dB, approximately the same amounts of LFE channel signal are distributed to the other audio channels in the overall mix. x D.COMP. (Dynamic range compressor) Initial setting: OFF This parameter lets you compress the dynamic range of the sound track. This may be useful when you want to watch movies at low volumes late at night. • OFF reproduces the sound track with no compression. • 0.1~ 0.9 allow you to compress the dynamic range in small steps to achieve the sound you desire. • STD reproduces the sound track with the dynamic range intended by the recording engineer. • MAX provides a dramatic compression of the dynamic range. Note Dynamic range compression is only possible with Dolby Digital sources. zAbout the Dynamic Range Compressor This parameter allows you to compress the dynamic range of the soundtrack based on the dynamic range information included in the Dolby Digital signal. "STD" is standard compression, but because many sources have only light compression, you may not notice much difference when using 0.1~ 0.9. Therefore, we recommend using the "MAX" setting. This greatly compresses the dynamic range and allows you to view movies late at night at low volumes. Unlike analog limiters, the levels are predetermined and provide a very natural compression. Adjusting the surround parameters The surround parameters let you customize various aspects of the current sound field. The settings available here are stored individually for each sound field. 1 Start playing a program source encoded with multi-channel surround sound. 2 Press AMP MENU repeatedly on the remote to display on the front panel display. 3 Sit at your listening position and select the item to be adjusted using the M/m buttons. 4 Adjust the volume level using the