HTML5 MP4 Codec Settings for Safari 5.1.5

Hello all,
I am having a problem with HTML4 MP4 h.264 videos in Safari 5.1.5 only running under Lion. Does anyone have any exactly specifications for compressing videos that will play in this version of Safari? Also, if you have sucessfully exported videos for 5.1.5 what software are you using to encode? I have tried several options (After Effects, QT7 etc) and not had any luck. Thank you!

Getting mp3 music out of your 4 satelite speakers and center channel requires either enabling the X-Fi CMSS 3D Sorround setting in your Audio Console or, alternately, if using your X-Fi card with an external Decoder, you could (if available on your decoder) enable Dolby PLII Music enhancement or X2 Stereo enhancement. I personally prefer the results from enabling CMSS 3D Surround and then adjusting my center channel for an even sound stage. Crystalizer Mode: In general, 24-bit Crystalizer produces crisper high frequencies, punchier mid-range percussion and note onsets, and stronger kick bass hits. I'm not sure that I would use the Crystalizer Mode as a substitute for good EQ settings but perhaps in conjuction would be the best approach. Depending on the 5. speaker system you have, Base Redirect shouldn't have to be used unless your satelite speakers and center channel are playing Bass frequencies that really should be assigned to the Sub-woofer. Some speaker sets and amplifiers have bass redirection feature i.e. you do not need discrete 5. signal to hear the sound on the subwoofer. Such sets always output bass - even if you connect a normal stereo source. Again, however, it is possible that if you have an analogue speaker set that does not support automatic Bass Redirection via the amplifier, then you would have to enable Bass Redirect at the sound card level in order to redirect the lowest frequencies to the subwoofer. I do not have to conduct a Bass Redirection, however, not all systems are equal in terms of functionality. The best settings for a 5. system are really contigent on the room size, speaker type and placement, room wall materials, amplifier type, content played (movies, music, spoken word., etc.) and, listeners personal preference. Personaly I would run the supplied Speaker Calibration utility and when you have the sound you personally enjoy, stick with it. Best advise I can offer to be perfectly honest. Hope this helped.

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