Pioneer VSX-518-K Owner's Manual - Page 27
Listening to your system, Using Phase Control, Using Virtual Surround Back - 5 1 channels receiver
UPC - 012562884684
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Listening to your system 05 English Deutsch Français Italiano Nederlands Español Using Phase Control This receiver's Phase Control feature uses phase correction measures to make sure your sound source arrives at the listening position in phase, preventing unwanted distortion and/or coloring of the sound (see illustration below). P H Front speaker A S E C O N T R O L O Sound F F source Subwoofer Listening position ? P Front speaker H A S E C O N T R O L Sound O N source Subwoofer Listening position Phase Control technology provides coherent sound reproduction through the use of phase matching1 for an optimal sound image at your listening position. The default setting is on and we recommend leaving Phase Control switched on for all sound sources. AUTO/DIRECT STEREO/ A.L.C. STANDARD ADV SURR QUICK SOUND PHASE SETUP DIALOG RETRIEVER • Press PHASE (PHASE CONTROL) to switch on phase correction. Using Virtual Surround Back (VSB) Selecting this mode allows you to hear a virtual surround back channel through your surround speakers. For example, you can choose to listen to sources with no surround back channel information (for example, 5.1 encoded material) with emulated 6.1 encoding (VSB ON). Sometimes the material may sound better in the 5.1 format for which it was originally encoded. In this case you can simply switch it off (VSB OFF).2 Depending on the input signal and the Listening Mode, the Virtual Surround Back mode may not be effective. STANDBY/ON PHASE CONTROL INPUT SELECTOR DVD DVD 5.1 TV DVR PHONES SOUND RETRIEVER VSB MODE MIDNIGHT/ LOUDNESS SIGNAL SELECT • Press VSB MODE (front panel) to select a virtual surround back channel option. Each press cycles through the options as follows: • VSB ON - Virtual Surround Back is always used (for example, on 5.1 encoded material) • VSB OFF - Virtual Surround Back mode is switched off Note 1 Phase matching is a very important factor in achieving proper sound reproduction. If two waveforms are 'in phase', they crest and trough together, resulting in increased amplitude, clarity and presence of the sound signal. If a crest of a wave meets a trough (as shown in the upper section of the diagram above) then the sound will be 'out of phase' and an unreliable sound image will be produced. 2 The Virtual Surround Back mode is not effective when using headphones, Stream Direct, Stereo, Auto level control stereo mode, Front Stage Surround Advance mode. It is also unavailable if the surround speaker is set to NO in Speaker setting on page 31. 27 En