DSP presets
Music on CD or radio
The following DSP presets add a surround dimension to stereo recordings, such as on audio CDs or FM radio.
Music extracts the mono and surround components of the original recording for the centre and surround speakers to give a spacious open sound field.
Trifield* is similar to Music but generates a
Super produces a very good surround effect with many live recordings.
PLIIx Music and Music Logic are recommended for use with studio produced music, and provide different options for adjusting the sound field.
Multichannel movie soundtracks on DVD
The following presets are designed for use with multichannel movie soundtracks encoded using Dolby Digital, DTS, or AAC (on some models). Typically these are labelled 5.1 because they provide five
Cinema* and THX decode the soundtrack to render the original six channels to your speaker layout. THX adds some additional signal processing to match the sound to typical home listening conditions.
PLIIx Mov6, PLIIx Mus6, THX Surround EX, THX Ultra2, and
THX Music create an additional pair of surround channels from the 5.1 channel soundtrack and are available if you have four surround speakers in your system. Use PLIIx Mus6 or THX Music for music.
Multichannel music recordings on DVD-Audio
The following presets are recommended for music recordings containing more than two channels:
Discrete* renders the source channels to your speaker layout with the ultimate precision and transparency.
Ambisonics is especially designed for multichannel recordings on
Special presets for two-channel materials
Direct uses only the left and right speakers; compare this with the effect of surround processing using the other modes. Stereo* will use a subwoofer if it is present.
Ambisonics is specially designed for
Two-channel movie soundtracks on DVD, video, and TV
Many movie soundtracks are Dolby Surround Encoded onto a two- channel stereo soundtrack.
The following DSP presets
PLIIx Movie* is Dolby’s recommended choice for Dolby Surround Encoded material, and PLIIx THX provides a variant of this better suited to home listening.
TV Logic uses the same processing techniques as PLIIx Movie but with adjustable steering to give better results with TV material.
*The G91, when directly driving a surround system, includes Trifield, Discrete, Cinema, Stereo, and PLII Movie presets.
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