foobar2k headphone surround setup

this guide will add 5.1 speaker simulation using headphone for foobar2k
the result isn't really perfect but it's noticeably increase surround effect and reduce sound inside head feels..

needed files:
- foobar2k http://www.foobar2000.org/download
- foo_input_dts http://www.foobar2000.org/components/view/foo_input_dts
- foo_channel_mixer http://skipyrich.com/wiki/Foobar2000:Channel_Mixer
- nvidia purevideo decoder http://www.nvidia.com/object/dvd_decoder_1.02-223-trial.html

step:
- install nvidia purevideo decoder, use the trial CC and activation code in the site
- install foobar
- copy foo_input_dts and foo_channel_mixer dll to [foobar installation folder]/components/
- run foobar, go to file, preferences, playback, DSP manager
- (optional) add resampler (PPHS) to active DSP, then configure it to 48000Hz Ultra mode
- add channel mixer
- configure channel mixer, general: output channels 6, check L C R RL RR, uncheck LFE, Stereo image width 1.00
- upmix: mode surround, mode surround, center 1.00, volume 2.00, all others 0.00
- add Dolby headphone, configure: dolbyhph.dll to C:\windows\system32\DolbyHph.dll
- (optional) add others DSP to the top of the list if you want, make sure channel mixer then dolby headphone is the last two on the list

other useful components:
- Skip silence
- foo_ui_columns (nice ui)
- foo_uie_lyrics (add lyric, need foo_ui_columns)
- foo_shutdown (auto shutdown/standby/hibernate)
- amip for foobar and amip configurator (add winamp like jump and now playing announce to messengers and irc)

original source: http://www.head-fi.org/forum/thread/447089/5-1-headphone-experience-foobar-configuration-for-all-stereo-music-files