Bernie Cerra: most people hook the hdmi's up to their tvs. the hdmi has digital audio, yes. but 99% of tv's can't process this sound. it has to downmix to regulat stereo sound, and due to some sort of protection, most, if not all, tv's will not pass through the signal (you can't connect the hmdi to the tv and then run a optical out from your tv to your reciever)if you have a expensive new receiver that has hdmi input AND output, and you use that, then yes, you wouldn't need the optical cable.....Show more
Clay Lipira: If you have a receiver that supports audio via HDMI connected from PS3 then you just need another HDMI output from receiver to TV input for video. This receiver gives you DTS-HD MA, Dolby True HD and uncompressed PCM up to 7.1 channel from Blu-ray movies. HDMI+optical cable means this receiver doesn't support audio via HDMI connection so you have to use optical cable from PS3 to receiver for surround sound ( up to 6.1 channel ), optical cable is not ! compatible with HD audio formats....Show more
Buster Exline: HDMI can support advanced audio formats / bitrates that optical can't ... so, you are right that under certain circumstances HDMI is "superior" to optical. Note that this type of audio is only available on Blu-ray disks, not DVDs or HDTV.However, optical (which provides identical performance to HDMI for 5.1 DD/DTS sound) is the only option on many receivers, so that would be one situation where an HDMI cable (for video to a display) and an optical cable (for audio to a receiver) make sense. There are other circumstances where optical (or multi channel analog) may be required/preferred to HDMI....Show more
Serena Doak: Optical digital sound is superior to HDMI sound, if you're picky, but it's not that much better. It's likely that he's putting the sound through some sort of hi-fi system which doesn't support HDMI, ie he has a slightly older amp and doesn't have the option to use HDMI.
Joellen Zorr! illa: You cant receive Dolby Digital true HD or DTS HD master ! audio and other encoding formats thru an optical cable. This wouldn't mater if you had an older receiver that doesn't support these formats. But if your equipment dose support these formats go with HDMI. With an older receiver you can have your Blue-Ray player decode the audio and send it as liner pcm in that case it wont mater if you use HDMI or Optical
Lester Haschke: PS3 firmware version 3 and 3.01 already allows HDMI and optical connections simultaneously. HDMI goes to TV while connect optical cable to surround receiver.mine is like this and it's so cool.
Glynda Darrin: He probably had a surround sound system that didnt have a slot for an HDMI cable so he had to use an optical cable which is used for sound and he used the HDMI cable for high definition video on his HDTV.
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