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| uk.tech.digital-tv (Digital TV - General) (uk.tech.digital-tv) Discussion of all matters technical in origin related to the reception of digital television transmissions, be they via satellite, terrestrial or cable. Advertising is forbidden, with no exceptions. |
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Apart from the failed recordings problem (which seems better if the box
is on at the start of the recording) I have identified three specific types of freeze. Oddly, these seem limited to the BBC channels. Type 1: the picture freezes for about 1 second then runs rapidly through the missing second to catch up. Quality remains the same. Sound unaffected. Type 2: Picture jumps ahead about 1 second and freezes in poorer quality. Sound unaffected. Picture resumes when the sound catches up. Type 3: Picture freezes altogether. Sound continues: pressing 'pause' a couple of times pauses and resumes the sound but does not unfreeze the picture. To clear it, press stop and then play: programme resumes from _start_ of freeze. In all cases running back and playing the same section again does not repeat the freeze. Comparison of the same section I made in several cases with a tape from an old OnDigital box showed no problems. 'Cookie's Fortune' from BBC1 last week had a _lot_ of type 2 freezes - one every 2 or 3 minutes - and three type 3. Other BBC programmes have had perhaps just one type 1. 'Bonfire of the Vanities' on Channel 5 had no problems whatever. 'Lawn Dogs' from BBC2 had just one type 1 freeze. This suggests a problem with the different coding system used by the BBC (16 or 64QAM, I can't remember which way round it is). I am holding off discussing this with Pace until I see what the 25th July download achieves. -- rfwilmut'at'nospam.yahoo.com remove the nospam and alter the 'at' to reply (but you knew that already) |
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