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Topic:
DSS picture and sound problems. (Sony) HELP!
This thread has 4 replies. Displaying all posts.
Post 1 made on Saturday February 19, 2000 at 02:07
Bob
Historic Forum Post
I have just recently began having trouble with my picture and sound using my Sony DSS system. If anybody has experienced a similar problme or has any insight I would be appreciative. The only "new" component is a new Sony 32" TV - but is being used only as a monitor (video in) so I doubt this has caused the problem.

The following are the details:

- I have a full home theatre setup - all Sony (except for Klipsch main speakers)
- The DSS system is about 3 years old. (Single LNB)
- The picture problem is occasional digital artifacts/blur when bright and quick moving images are present. (DSS signal test measures about 80+)
- I also have cable and am able to compare the same channels between DSS and cable - and cable does not exhibit the problems.
- As for the sound problem - on certain channels I am getting a high-frequency "jumbled" sound in the left and right speakers both rear and front (but not center channel speaker). If I switch the surround sound off on my receiver, the noise ceases.

So I am left wondering - is there something wrong with my receiver, my DSS unit, or the transmission from DirectTV. Could it be because my DSS unit is a bit older? The picture and sound problems are subtle, but they are definitely there and bugging the hell out of me. This all started just recently and had it been only a sound or picture problem I might blame a component failure. But seeing as both are happening, it indicates something strange is likely happening.

Help!

Bob
OP | Post 2 made on Saturday February 19, 2000 at 08:20
Mark Archer
Historic Forum Post
Bob, some artifacting will be present when using any digital device, DSS, DVD etc... but how much you are seeing I don't know.

The type and amount of signal compression used probably affects how much you will see. DirecTV could probably arrange their broadcasts filling transponders more full which could be degrading picture quality, but signal strength will not affect anything as you will either have the picture or not.

What model TV are you using and are you using the S-Video connection. This won't help artifacting but will improve picture quality on all but the XBR TV's which have a better comb filter.

I think I have heard the noise you are referring to but I can't remember why it happens. It might be a non-stereo source feeding into the pro-logic decoder. Are you using audio patch cables diret to the receiver? You should not have to use the RF connections at all with the exception of the cable signal coming in. You aren't feeding audio from the DSS through the TV are you? The Sony's can be problematic in that area.
OP | Post 3 made on Saturday February 19, 2000 at 23:23
Bob
Historic Forum Post
Mark,

Thanks for your response.

I'm using a Sony 32" (El-Cheapo bottom of the 32" line - not even PIP). Also, my DSS unit is an SAT-B1 - the very FIRST generation of DSS units.

I am running from the DSS unit to a Sony ES receiver using conventional RCA connectors (Audio L/R and Video). Then I'm going Video out to the TV. I am doing the same with a Sony VCR so I can switch the inputs on the reciever and get both cable and DSS.

As for the sound problem, I think you are correct about the cause being a non-stereo signal. But it must be either DirecTV or the DSS unit's fault because like I said, I can compare against identical cable stations and they don't make the strange noises. I thought cable was inferior? :)

I called Sony and they suggested I fully disconnect my DSS unit for a few minutes. That actually did seem to help with the picture, but I haven't had time to really watch for the digital artifacts since then to see if it really cleared up the problem. But it definitely did NOT fix the audio problem.

Bob
OP | Post 4 made on Tuesday February 22, 2000 at 09:20
jazzly
Historic Forum Post
I have the same video problem with my sony DSS setup.

I have come to the conclusion that the artifacting is
from the greater amounts of compression DTV has put on
the signal after adding local channels. If you read some
of the other posts on this board, you will see that
others are having similar problems. Hopefully they will
address this problem in the near future.

As far as the audio problem goes, I think you are experiencing some sort of interpretive problem as Mark
suggests. Some receivers DSP functions try and make
mono something it's not!

Good Luck!
OP | Post 5 made on Thursday February 24, 2000 at 13:25
Bob Steck
Historic Forum Post
Wow! I thought it was me. My wife can't see it, my DSS dealer can't see it but it drives me nuts too. I have a Dish 500 system and a new Sony Wega 36" TV. I have e-mailed Dish several times for some explaination, but no response. I described it to them that it seemed the processor in the receiver is not fast enough. It is visible on my 27" TV also, but because of the smaller size, it is much harder to see.

The picture clarity is excellent! Just don't anybody move.

Maybe better receivers can be developed

Bob Steck


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