Limitation for Pioneer AVR SC-53 - AVS Forum
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post #1 of 9 Old 08-29-2012, 06:49 PM - Thread Starter
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I'd found out that my SC-53 has limited surround mode available when playing Blu ray movie with Master HD audio, only THX Cinema, THX Music and THX game mode are available, Additional function like advance surround mode and Prologic function is not available.

I have feedback this issue to Pioneer, after 1 month investigation, they just get back to me that it is due to hardware issue. The memory buffer for SC-53 cannot support advance surround mode and prologic mode if set to Master HD, the only solution is set it to PCM mode and use your blu ray player to decode HD audio, they don't want to take any responsibilities on the hardware issue and just told me that LX53 is design to be that way. I am so disappointed....., Anyone facing the same problem?
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post #2 of 9 Old 08-30-2012, 05:22 AM
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^^^

don't be disappointed... the workaround of unpacking the codec to pcm in the player is a simple one to implement, and won't change/hurt sound quality... that is the way that many of us do it, even though we can do it the other way...

fwiw, that was the way that all of this was originally designed to work... it was always intended that the player would uphqndle the unpacking of the codec and send pcm... the unpacking of the codecs only made it into avr's so people could see the name of the codec on the avr's display...

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post #3 of 9 Old 09-04-2012, 09:16 PM - Thread Starter
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I know, too bad my AVR has much better DAC compare to my Blu ray player..
Thanks.
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post #4 of 9 Old 09-04-2012, 09:18 PM
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Quote:
Originally Posted by eugenecctan View Post

I know, too bad my AVR has much better DAC compare to my Blu ray player..
Thanks.

You're still going to use your AVR's DACs, if you're sending LPCM via HDMI from your Blu-ray player.
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post #5 of 9 Old 09-05-2012, 05:02 AM
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Quote:
Originally Posted by eugenecctan View Post

I know, too bad my AVR has much better DAC compare to my Blu ray player..
Thanks.

which has zero relevance... the "dac" isn't involved at all in the unpacking of the codec...

either way you send it, packed or unpacked, it'll still need to go through the dac in the avr... the only way you wouldn't would be if you send analog from the player to the avr...

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my build thread - updated 8-20-12 - new seating installed and projector isolation solution

 

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post #6 of 9 Old 09-05-2012, 06:05 PM - Thread Starter
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Thanks for the information, may I know what is the difference between bitstream and LPCM?
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post #7 of 9 Old 09-05-2012, 06:30 PM - Thread Starter
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I think I will have to stick with bitstream, because my Blu ray player Panasonic BD-45 can only handling 5.1 Channel Surround Decoding.
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post #8 of 9 Old 09-05-2012, 07:11 PM
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Quote:
Originally Posted by eugenecctan View Post

I think I will have to stick with bitstream, because my Blu ray player Panasonic BD-45 can only handling 5.1 Channel Surround Decoding.

That's not true, either. I suggest reading your manuals a bit more, or some googling.
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post #9 of 9 Old 09-10-2012, 12:18 AM - Thread Starter
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http://reviews.cnet.com/blu-ray-players/panasonic-dmp-bd45/4505-9991_7-33971083.html

Stated very clear on the reviews above that this bluray player BD45 only support 5.1 channel decoding. Anything missing here?
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