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Originally Posted by Linksys 845c
The issue I'm wondering about is multi-fold...first of all, can Dolby and DTS legacy tracks be passed just fine over HDMI instead of coax or optical?
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Yes.
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But, also under this "Multi Channel" menu on the Panasonic player, there's a second menu that pops up and asks you to set speaker sizes, levels, delays, etc...now, this was all set inside my receiver already -- that is, calibrations, delays, speaker crossovers, etc...and I was under the assumption that this speaker setup menu on the Blu ray player was ONLY for if you're using the multichannel analog outputs, which I am not -- ONLY digital HDMI is what I'm running. So, do those speaker sizes, distances, etc. matter if I'm connected via HDMI and not analog?
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They should affect both. Bass management is necessary in the player for people who's older receivers (not the 605) *don't* do bass management for multich HDMI/analog input. For the 605, setting the *player's* speaker settings to "large", with the *receiver's* settings to "small", does make sense since you want the player to pass the signal unmolested & let the receiver do the job of steering the bass to the subwoofer.
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And do these speaker settings in the player affect the digital transmission of BITSTREAMED audio?
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No.
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Should PCM DOWNCONVERSION be left OFF in the player? Could this be affecting the sound? To be honest, decoded TrueHD and uncompressed PCM tracks don't sound all that "great" when I select them off Blu ray discs; to my ear, legacy DTS and Dolby tracks on DVDs are much "punchier" with a much more intense sense of presence and weight; I just don't hear this out of the TrueHD or uncompressed PCM tracks...could something be set wrong in my player?
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There is a known bug in the LFE decoding of this player that causes the LFE channel to be too low on these tracks. Supposedly you can make a somewhat imperfect fix (bass from LFE still a bit low, but bass from other channels a bit too high) by bumping the sub channel level up 2-3 dB. Or just stick to legacy & avoid the issue. The benefits of lossless are overblown anyway in my view, the source mix itself is most important. Perceptual codecs do a good job & what you lose is rarely audible, that is what they are designed to do!
PCM Downconversion -- in this instance it is referring to sampling rate downconversion, e.g. 98kHz to 48/44.1 kHz sampling rate for those receivers that can't handle 98kHz, not multich->stereo conversion. I believe the references in the manual to only being able to output 2 ch PCM are because older versions of the firmware that could only decode to 2 chs, doesn't apply to current firmware.