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51. 

    boogersa
    

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    Joined: Jan '18
    Posts: 302

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    Paul Bton - 1 min ago  » 

    boogersa - 2 hours ago  » 

    grahamlthompson - 2 hours ago  » 

    boogersa - 25 mins ago  » 

    grahamlthompson - 1 hour ago  » 
    invisible foil screen seems to be working fine. no glitches at all despite high pressure condtions.

    Is your foil to resolve picture quality issues on SD & HD channels? And your foil is on top of your aura? I don’t have anything above my aura on a higher shelf. I do have a games console and a blu ray player player on the shelf underneath the aura? If you had the my aura issue and configuration was the same would you place foil underneath the aura?

    No reason not try it. However why not simply turn them off. Neither is needed to use the aura. If this fixes it turn each one on in turn.
    The kit I have underneath is rarely on at the same time. It's a high end Panasonic 4K bluray player. I would expect the rf emissions screening to be very good.

    At the time tested the SD channels were showing 100% quality and I have my blu ray player on as I use it to get 5.1 surround sound pass through from my tv. Quality remained 100% with Bly ray player on and off so it can’t be influencing the quality. Maybe it’s just atmospheric conditions affecting SD signal quality. HD channels are fine.

    I don’t think it’s atmospheric conditions. Surely they would affect all channels? I had fluctuating signal quality only in the SD channels on my bad Aura. New Aura has no problems in the SD channels. Try another Humax PVR (if you have one) or TV on the same aerial and check the signal and quality and you will probably find it doesn’t fluctuate.

    I no longer have my humax 5000t. My tv gets its own aerial feed from the aura and has no issues with SD channels. Just a real hassle to get Humax to replace/repair (assuming that they will) and I won’t have a box for who knows how long?

    | Mon 31 May 2021 22:31:38 #51 |
52. 

    Paul Bton
    

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    Joined: Mar '18
    Posts: 237

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    boogersa - 8 hours ago  » 

    Paul Bton - 1 min ago  » 

    boogersa - 2 hours ago  » 

    grahamlthompson - 2 hours ago  » 

    boogersa - 25 mins ago  » 

    grahamlthompson - 1 hour ago  » 
    invisible foil screen seems to be working fine. no glitches at all despite high pressure condtions.

    Is your foil to resolve picture quality issues on SD & HD channels? And your foil is on top of your aura? I don’t have anything above my aura on a higher shelf. I do have a games console and a blu ray player player on the shelf underneath the aura? If you had the my aura issue and configuration was the same would you place foil underneath the aura?

    No reason not try it. However why not simply turn them off. Neither is needed to use the aura. If this fixes it turn each one on in turn.
    The kit I have underneath is rarely on at the same time. It's a high end Panasonic 4K bluray player. I would expect the rf emissions screening to be very good.

    At the time tested the SD channels were showing 100% quality and I have my blu ray player on as I use it to get 5.1 surround sound pass through from my tv. Quality remained 100% with Bly ray player on and off so it can’t be influencing the quality. Maybe it’s just atmospheric conditions affecting SD signal quality. HD channels are fine.

    I don’t think it’s atmospheric conditions. Surely they would affect all channels? I had fluctuating signal quality only in the SD channels on my bad Aura. New Aura has no problems in the SD channels. Try another Humax PVR (if you have one) or TV on the same aerial and check the signal and quality and you will probably find it doesn’t fluctuate.

    I no longer have my humax 5000t. My tv gets its own aerial feed from the aura and has no issues with SD channels. Just a real hassle to get Humax to replace/repair (assuming that they will) and I won’t have a box for who knows how long?

    Yes it is a hassle. But only way to get a better box. Have you contacted Humax? They do respond to emails. In the meantime are you going to try tinfoil?

    | Tue 1 Jun 2021 6:56:42 #52 |
53. 

    boogersa
    

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    Joined: Jan '18
    Posts: 302

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    I have emailed Humax. Currently working with a support person. I’ll report back anything of note.

    | Tue 1 Jun 2021 18:06:39 #53 |
54. 

    grahamlthompson
    

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    Joined: Feb '11
    Posts: 14,442

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    Paul Bton - 20 hours ago  » 

    boogersa - 2 hours ago  » 

    grahamlthompson - 2 hours ago  » 

    boogersa - 25 mins ago  » 

    grahamlthompson - 1 hour ago  » 
    invisible foil screen seems to be working fine. no glitches at all despite high pressure condtions.

    Is your foil to resolve picture quality issues on SD & HD channels? And your foil is on top of your aura? I don’t have anything above my aura on a higher shelf. I do have a games console and a blu ray player player on the shelf underneath the aura? If you had the my aura issue and configuration was the same would you place foil underneath the aura?

    No reason not try it. However why not simply turn them off. Neither is needed to use the aura. If this fixes it turn each one on in turn.
    The kit I have underneath is rarely on at the same time. It's a high end Panasonic 4K bluray player. I would expect the rf emissions screening to be very good.

    At the time tested the SD channels were showing 100% quality and I have my blu ray player on as I use it to get 5.1 surround sound pass through from my tv. Quality remained 100% with Bly ray player on and off so it can’t be influencing the quality. Maybe it’s just atmospheric conditions affecting SD signal quality. HD channels are fine.

    I don’t think it’s atmospheric conditions. Surely they would affect all channels? I had fluctuating signal quality only in the SD channels on my bad Aura. New Aura has no problems in the SD channels. Try another Humax PVR (if you have one) or TV on the same aerial and check the signal and quality and you will probably find it doesn’t fluctuate.

    No it would not. The issue is down to transmitters that use the same frequency for some of it's digital mux become receivable. High pressure makes UHF travel further. Producing the co-channel interference issue. In analogue days the effect was clear.

    It's nothing to do with the modulation used. (DVB-T for SD and DVB-T2 for HD). Only the frequency used for the analogue carrier. If you get the same frequency received as used by your transmitter foe either a HD mux or SD mux . it will screw up your reception.

    In fact the built in error correction used for HD MUX (FEC). Makes them more susceptible to problems compared to SD. ( the FEC settings used increase the capacity of the MUX but at the expense of robustness). The other unknown here is what power you best transmitter use for each mux. In my case all the mux use the same power output.

    If you happen to autotune during these conditions you get a complete mess.

    Manual tuning to your best transmitter is a 100% cure for this issue.

    It ensures that you only get all your digital channels from a single transmitter.

    | Tue 1 Jun 2021 18:50:25 #54 |
55. 

    boogersa
    

    special member
    Joined: Jan '18
    Posts: 302

    offline

    grahamlthompson - 9 mins ago  » 

    Paul Bton - 20 hours ago  » 

    boogersa - 2 hours ago  » 

    grahamlthompson - 2 hours ago  » 

    boogersa - 25 mins ago  » 

    grahamlthompson - 1 hour ago  » 
    invisible foil screen seems to be working fine. no glitches at all despite high pressure condtions.

    Is your foil to resolve picture quality issues on SD & HD channels? And your foil is on top of your aura? I don’t have anything above my aura on a higher shelf. I do have a games console and a blu ray player player on the shelf underneath the aura? If you had the my aura issue and configuration was the same would you place foil underneath the aura?

    No reason not try it. However why not simply turn them off. Neither is needed to use the aura. If this fixes it turn each one on in turn.
    The kit I have underneath is rarely on at the same time. It's a high end Panasonic 4K bluray player. I would expect the rf emissions screening to be very good.

    At the time tested the SD channels were showing 100% quality and I have my blu ray player on as I use it to get 5.1 surround sound pass through from my tv. Quality remained 100% with Bly ray player on and off so it can’t be influencing the quality. Maybe it’s just atmospheric conditions affecting SD signal quality. HD channels are fine.

    I don’t think it’s atmospheric conditions. Surely they would affect all channels? I had fluctuating signal quality only in the SD channels on my bad Aura. New Aura has no problems in the SD channels. Try another Humax PVR (if you have one) or TV on the same aerial and check the signal and quality and you will probably find it doesn’t fluctuate.

    No it would not. The issue is down to transmitters that use the same frequency for some of it's digital mux become receivable. High pressure makes UHF travel further. Producing the co-channel interference issue. In analogue days the effect was clear.
    It's nothing to do with the modulation used. (DVB-T for SD and DVB-T2 for HD). Only the frequency used for the analogue carrier. If you get the same frequency received as used by your transmitter foe either a HD mux or SD mux . it will screw up your reception.
    If you happen to autotune during these conditions you get a complete mess.
    Manual tuning to your best transmitter is a 100% cure for this issue.
    It ensures that you only get all your digital channels from a single transmitter.

    I have reception from one transmitter only, Blackhill, so I assume manual tuning is no different to an auto tune? The humax support person thinks manual tuning will help but I don’t see how. I get 100% picture quality on SD channels and then later on I don’t and then later again I do. Can all happen in the same day - don’t take exhaustive notes as I have a life to live. I’m just trying to understand if this is a problem with the Aura or I need to get someone out to check aerial,etc.

    | Tue 1 Jun 2021 19:03:10 #55 |
56. 

    grahamlthompson
    

    special member
    Joined: Feb '11
    Posts: 14,442

    offline

    boogersa - 24 mins ago  » 

    grahamlthompson - 9 mins ago  » 

    Paul Bton - 20 hours ago  » 

    boogersa - 2 hours ago  » 

    grahamlthompson - 2 hours ago  » 

    boogersa - 25 mins ago  » 

    grahamlthompson - 1 hour ago  » 
    invisible foil screen seems to be working fine. no glitches at all despite high pressure condtions.

    Is your foil to resolve picture quality issues on SD & HD channels? And your foil is on top of your aura? I don’t have anything above my aura on a higher shelf. I do have a games console and a blu ray player player on the shelf underneath the aura? If you had the my aura issue and configuration was the same would you place foil underneath the aura?

    No reason not try it. However why not simply turn them off. Neither is needed to use the aura. If this fixes it turn each one on in turn.
    The kit I have underneath is rarely on at the same time. It's a high end Panasonic 4K bluray player. I would expect the rf emissions screening to be very good.

    At the time tested the SD channels were showing 100% quality and I have my blu ray player on as I use it to get 5.1 surround sound pass through from my tv. Quality remained 100% with Bly ray player on and off so it can’t be influencing the quality. Maybe it’s just atmospheric conditions affecting SD signal quality. HD channels are fine.

    I don’t think it’s atmospheric conditions. Surely they would affect all channels? I had fluctuating signal quality only in the SD channels on my bad Aura. New Aura has no problems in the SD channels. Try another Humax PVR (if you have one) or TV on the same aerial and check the signal and quality and you will probably find it doesn’t fluctuate.

    No it would not. The issue is down to transmitters that use the same frequency for some of it's digital mux become receivable. High pressure makes UHF travel further. Producing the co-channel interference issue. In analogue days the effect was clear.
    It's nothing to do with the modulation used. (DVB-T for SD and DVB-T2 for HD). Only the frequency used for the analogue carrier. If you get the same frequency received as used by your transmitter foe either a HD mux or SD mux . it will screw up your reception.

    If you happen to autotune during these conditions you get a complete mess.
    Manual tuning to your best transmitter is a 100% cure for this issue.
    It ensures that you only get all your digital channels from a single transmitter.

    I have reception from one transmitter only, Blackhill, so I assume manual tuning is no different to an auto tune? The humax support person thinks manual tuning will help but I don’t see how. I get 100% picture quality on SD channels and then later on I don’t and then later again I do. Can all happen in the same day - don’t take exhaustive notes as I have a life to live. I’m just trying to understand if this is a problem with the Aura or I need to get someone out to check aerial,etc.

    It will only help if you get duplicate channels on a autotune. If not you need a aerial upgrade for your location. clearly without more info. Cannot help.

    In most circunstances a log periodic antenna outside is likely the give the best results. log periodics are generally the best choice for most.

    https://www.aerialsandtv.com/knowledge/aerials/atvs-choice-of-tv-aerials-and-why-we-chose-them

    Do you have powerline extenders (homeplugs) close to the kit ? Seems certain somthing local id genersting RF in the UHF band. I would replace all your coax interconnects with sattelite gradw WF100 coax. Terminate with f connectors and F to Belling Lee adaptors where needed. Make sure any coax cabling is as far away as possible from HDMI interconnects. Do not run togther. Make any crossing points at 90 Degrees.

    | Tue 1 Jun 2021 19:35:30 #56 |
57. 

    grahamlthompson
    

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    Joined: Feb '11
    Posts: 14,442

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    Firstly BlackHill uses the same power for HD and SD mux at 100KW. The only lower ones are a local Mux on UHF 51 and COM 7 on UHF 55 though the source is not reliable. The SD mux should be more robust.

    How far are you from the transmitter. Is the aerial outdoors and what type is it ?

    | Tue 1 Jun 2021 20:02:15 #57 |
58. 

    boogersa
    

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    Joined: Jan '18
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    grahamlthompson - 2 mins ago  » 
    Firstly BlackHill uses the same power for HD and SD mux at 100KW. The only lower ones are a local Mux on UHF 51 and COM 7 on UHF 55 though the source is not reliable. The SD mux should be more robust.
    How far are you from the transmitter. Is the aerial outdoors and what type is it ?

    Thanks for all info. Had to look some of it up! Is satellite cable better quality than standard coaxial cable?

    | Tue 1 Jun 2021 20:06:28 #58 |
59. 

    boogersa
    

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    grahamlthompson - 5 mins ago  » 
    Firstly BlackHill uses the same power for HD and SD mux at 100KW. The only lower ones are a local Mux on UHF 51 and COM 7 on UHF 55 though the source is not reliable. The SD mux should be more robust.
    How far are you from the transmitter. Is the aerial outdoors and what type is it ?

    40 miles away (guesstimate)? No idea what type it is but 7 years old and internal in the loft.

    But why an issue with the Aura? Humax 5000t had no problem (now sold). Plus, tv running via Aura pass through has no issues either.

    | Tue 1 Jun 2021 20:08:50 #59 |
60. 

    boogersa
    

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    Here’s some more info. This all happens in a space of a minute or so - doesn’t matter which channels I use. So, if one of the SD channels is ok and 100% quality, I can switch to another SD channel and the quality drops down to about 55% and if I switch back to the previous SD channel which was 100%, it is now poor too (e.g. 55%). But…if I do a full reboot and it restarts on the same channel it was on prior to the reboot (55% quality) the quality is back to 100% after reboot (and seems to stay at this level of quality until I change channel).

    This must be a fault with the Aura?

    | Tue 1 Jun 2021 23:21:03 #60 |

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