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  #1  
Old Oct 9th, 2010
cgadener cgadener is offline
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Default TrueHD stutter

I am using the new THX BluRay optimizer disc (for installers only) and when I play the "Amazing Life" trailer, the sound stutters. I am using a Denon 4310CI and a Panny Plasma display. I also made sure only high-speed HDMI cables are used in the whole chain from the M500 to the Panny. I can see on the Denon display that the TrueHD light flickers when the bandwidth increases.

Through the process of elimination I will get to the bottom if this, but have any of you experienced the M500 stuttering with high bandwidth bitstreams?

Thanks,

Carl
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  #2  
Old Oct 10th, 2010
JerryL JerryL is offline
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Try a movie that has a THD soundtrack and see if it flickers. It could be just authoring.
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  #3  
Old Oct 10th, 2010
dlittle dlittle is offline
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Can you describe what you mean by "stuttering"?

I just put a call through to K-scape's technical support department last week about an issue I am having with certain soundtracks. My issue also seems to be during high bandwidth transitions, where the sound will disappear for a split second. It reminds me of a layer change with a DVD. This sound hiccup occurs at the same spots on a given movie every time. I first noticed this when I received my two M500 players within a week of their introduction. I called Kaleidescape at the time and was told they were aware of an issue, and were working on a software fix. Because of this, I sort of ignored it for months. With the recent release of Iron Man 2 and Robin Hood, though, the problem was occurring so often, it was distracting, so I called them back to see where they were with the fix. It turns out they had already fixed what they thought was the problem. They were surprised to find they had another problem, and I've been reassured that this has been elevated to their engineering department for troubleshooting.

Some specifics:
Because I thought it was a software issue, I can't tell you every movie that it's been occurring on, but the worst offenders where Sherlock Holmes, Iron Man 2, and Robin Hood. Before picking up Robin Hood most recently, I thought the issue was Robert Downey, Jr. ! All three of these movies are DTS Master Audio.

It occurs when the movie is playing from the tray, so it's not a network issue.

It doesn't matter whether yo select "Play Movie" or "Play Disc".

I have two M500 players, so I've swapped both into the theater room, and it occurs consistently on both players.

I have a Classe SSP 800 with the dual DSP boards that decodes the high definition soundtracks (DTS Master Audio and Dolby True HD). I swapped inputs between the Kaleidescape player and my Sony Playstation 3 (so same HDMI cables, audio path, and processor) and no hiccup occurs with the Playstation.

I had my dealer Definitive Audio in Seattle play Iron Man 2 from their M500 player through Classe's SSP, and they get the same hiccups.

As above, Kaleidescape has reassured me they have elevated this to the engineering level, and will get back to me with the issue. They are a very responsive company, and I have no doubt they will get to the bottom of this.

Dave
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  #4  
Old Oct 11th, 2010
JerryL JerryL is offline
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I thought the movie never really plays from the tray- that it just needs the disc in there for copyright issues.
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  #5  
Old Oct 11th, 2010
cgadener cgadener is offline
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dlittle: The issue is similar to what you describe - the sound stops for a split second. In the case of the THX trailer, the sound stops several times (stutters) on a very specific section of the Amazing Life trailer. The section exhibits a lot of changing graphics and loud bursts of sound all over the sound spectrum, so I presume it is taxing the system quite well (high bandwidth). I noticed this happened occasionally on other discs, but since the glitch just happened once or twice, I just ignored it. Do you happen to remember what chapter of Sherlock Holmes it occurred on? That happens to be a DTS HD soundtrack, but nonetheless, if it happens there too, I would like to see if I can reproduce it as well. Can you also tell me where on Iron Man 2 and Robin Hood you have the problem?

JerryL: As long as the movie has not been imported, it will play from the tray.

Thanks,

Carl
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  #6  
Old Oct 11th, 2010
dlittle dlittle is offline
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Carl:

On all three of those movies, it happens so frequently in all chapters, you should pick it up quickly.

For Iron Man 2, a specific place in the movie to watch is towards the beginning, when Iron Man jumps out of a plane, lands on a stage with the cheerleaders, and addresses the crowd for the opening of his expo. The hiccup occurs multiple times (about 5 or so).

Jerry:

If you have an M500 player (with a tray, as opposed to M300 without), you can either import the movie onto the server and play it off the server (and yes, you need the disc in the tray for confirmation of ownership), or you can play the disc directly from the tray without importing it. The advantage of importing it is a movie in any M500 tray is available for play in any zone simultaneously (if you have multiple zones), it boots up faster, and you have the ability to bookmark scenes.

Dave
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  #7  
Old Oct 11th, 2010
JerryL JerryL is offline
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You should see if theres any difference between tray and hard drive playback.
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  #8  
Old Oct 12th, 2010
cgadener cgadener is offline
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I am now armed with IronMan 2 and As Jerry suggest, I'll import the movie as well as the THX trailer BD to see if ther eis a difference in behavior.
Carl
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  #9  
Old Nov 4th, 2010
cgadener cgadener is offline
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I tried various combinations of cables, receivers (2 Denons), BD-player (Panasonic), source material (Iron Man 2, Dolby HiDef reference disc, THX BD Calibration Disc), and it all points to the K-scape M500 as the culprit. The THX disc sails through with the Panny BD player.

I have escalated this to Kaleidescape and they seemed to be aware that this issue may exist, but I have not received a full-on confirmation. Since it is not widely reported and only seems to be triggered by a very specific disc, it has taken lesser priority in their queue.

I would like to know if others have seen this.

Thx,

Carl
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  #10  
Old Nov 4th, 2010
cgadener cgadener is offline
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BTW, I asked K-scape support if there is a way to determine if a BluRay disc is playing from the tray or from the server and K-scape confirmed there isn't (at least not from the GUI).
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