Official Sony BDP-S590 and BDP-390 Thread - Page 140 - AVS Forum | Home Theater Discussions And Reviews
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post #4171 of 4181 Old 01-18-2016, 08:35 PM
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Sometimes a player/drive can have a quirk on a disc, but I think it may be more likely something with the player software and cache. Does it do it if you skip to that point of the disc? This could identify if it's how the player reads the disc or of it's time based.
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post #4172 of 4181 Old 01-19-2016, 05:16 AM
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Originally Posted by anikun07 View Post
Sometimes a player/drive can have a quirk on a disc, but I think it may be more likely something with the player software and cache. Does it do it if you skip to that point of the disc? This could identify if it's how the player reads the disc or of it's time based.
Over the next day or so I am going to try some other discs and also do a factory reset to see if that helps. I also will try your suggestion and skip to that point in the three discs that have shown this issue and see what happens.

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post #4173 of 4181 Old 01-19-2016, 09:11 AM
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Hmm. I wonder if that's where the layer change happens?

This makes the most sense to me. I remember some older players I had would have a notable drop at that point.
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post #4174 of 4181 Old 01-19-2016, 10:15 AM
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This makes the most sense to me. I remember some older players I had would have a notable drop at that point.
If it's having problems changing the focus between layers, maybe cleaning the lens would help.

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post #4175 of 4181 Old 01-19-2016, 10:19 AM
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If it's having problems changing the focus between layers, maybe cleaning the lens would help.
Not to seem dense, but how does one clean the lens?

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post #4176 of 4181 Old 01-19-2016, 10:55 AM
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Not to seem dense, but how does one clean the lens?
Discs designed to clean the lens of a Blu-ray player are available at your favorite mass-market outlet. (Walmart, BestBuy, Amazon, etc).

See Blu-ray Laser Lens Cleaner

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post #4177 of 4181 Old 01-19-2016, 12:18 PM
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I'm frankly surprised that all BDPs aren't heavily double-buffered. This would obviate nearly any BD level shift, unless absurd.

We've had a lot of evaluation with this, and it's time to consider wiping out all mosquitoes. We can do that with carefully crafted GMO. It's just not an insect that is worth having around. Mother nature will adapt, just as she always has with the millions of other species that have vanished on their own. In fact, the impact will be remarkably minor.
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post #4178 of 4181 Old 01-19-2016, 12:30 PM
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Originally Posted by Selden Ball View Post
Discs designed to clean the lens of a Blu-ray player are available at your favorite mass-market outlet. (Walmart, BestBuy, Amazon, etc).

See Blu-ray Laser Lens Cleaner
Thanks!

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post #4179 of 4181 Old 01-19-2016, 12:34 PM
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I'm frankly surprised that all BDPs aren't heavily double-buffered. This would obviate nearly any BD level shift, unless absurd.
My impression is that a lot more buffering is used when audio is being decoded into PCM. When it's bitstreamed, however, the designers seem to have thought that much less buffering is needed. That's just a generic statement, though, based on the fact that when playing discs which make heavy use of seamless branching (which requires lots of head motion), many older players have intermittent audio dropouts when bitstreaming, but not when the player's internal decoder is used.

However, substantial buffering normally would only be needed at the time of the layer shift while the laser's focus is changing and no data is being read. Since dropouts continue to happen after (what we assume is) the layer shift, that suggests that it's having continuing problems reading the second layer.

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post #4180 of 4181 Old 01-20-2016, 11:50 AM
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Originally Posted by Selden Ball View Post
Discs designed to clean the lens of a Blu-ray player are available at your favorite mass-market outlet. (Walmart, BestBuy, Amazon, etc).

See Blu-ray Laser Lens Cleaner
Have not had a chance to pick up a cleaning disc, but I decided to use a air blaster (non aerosol) that I use on with my camera lenses.
It has a long thin nozzle that fit in the disc slot to try blowing any dust off the lens. Afterwards we watched a movie and had no sound drop outs at all.

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post #4181 of 4181 Old 01-20-2016, 11:55 AM
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Have not had a chance to pick up a cleaning disc, but I decided to use a air blaster (non aerosol) that I use on with my camera lenses.
It has a long thin nozzle that fit in the disc slot to try blowing any dust off the lens. Afterwards we watched a movie and had no sound drop outs at all.
That's great!

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