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Panasonic BD30 and Denon BT-2500 confirmed to have weak LFE output w/ HDMI PCM.


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3 replies to this topic

#1 of 4 OFFLINE   Pete T C

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Posted January 23 2008 - 10:34 PM

Just for a little heads up for those looking at new BD players, over at AVS Roger Dressler of Dolby Labs has just confirmed that the Panasonic BD10 and BD30 BD players plus the Denon BT-2500 BD Transport are running 5db quieter than they should be on the LFE channel over HDMI when reproducing PCM. This includes both straight PCM soundtracks and other codecs transcoded to PCM internally; bitstreamed codecs are unaffected. Right now he says that he is "not optimistic" that it can be fixed with firmware, but that it may be possible to raise the HDMI PCM LFE at the expense of the analog LFE - perhaps an advanced menu setting. From my own speculation, its very likely the $2k Denon also has this issue and a real possibility that the BD50 will have it, too.

Let's hope it gets figured out. If you are a Panasonic owner and call tech support to open a case with this issue, it will probably get resolved sooner rather than later (if it can be resolved).
For every shadow, no matter how deep, is threatened by morning light.

#2 of 4 OFFLINE   Todd smith

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Posted February 04 2008 - 10:57 AM

Quote:
Originally Posted by Pete T C
Just for a little heads up for those looking at new BD players, over at AVS Roger Dressler of Dolby Labs has just confirmed that the Panasonic BD10 and BD30 BD players plus the Denon BT-2500 BD Transport are running 5db quieter than they should be on the LFE channel over HDMI when reproducing PCM. This includes both straight PCM soundtracks and other codecs transcoded to PCM internally; bitstreamed codecs are unaffected. Right now he says that he is "not optimistic" that it can be fixed with firmware, but that it may be possible to raise the HDMI PCM LFE at the expense of the analog LFE - perhaps an advanced menu setting. From my own speculation, its very likely the $2k Denon also has this issue and a real possibility that the BD50 will have it, too.

Let's hope it gets figured out. If you are a Panasonic owner and call tech support to open a case with this issue, it will probably get resolved sooner rather than later (if it can be resolved).


Hopefully EVERYONE who owns this player and is using HDMI for audio will call and make your voice heard. This needs to be fixed!



Also, cc: this guy in the email: Shiro Kitajima KitajimaS@us.panasonic.com

He is President of the Consumer Electronics Division

It is in everyones best interest who owns a BD30 and or BD10 and uses HDMI for audio to atleast drop a polite/profesional email to the Panny Cons Elect President explaining the issue, the current stance of Panasonic (which is that they are not going to do anything about the defect) and why we the consumer should not have to "deal with it" considering "it" is a manufacturer defect and should be corrected for at that level.

#3 of 4 OFFLINE   Reagan

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Posted February 24 2008 - 01:11 PM

Good news. Firmware 1.5 to be released tomorrow, fixes the LFE HDMI bug in the Panny BD-30 (but not the BD-10, that will require a different fix).

-Reagan
The truth doesn't care whether you believe it.

#4 of 4 OFFLINE   TheBat

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Posted February 25 2008 - 02:15 AM

firmware is now online. I did it last night.. major improvement for PCM.

Jacob