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DVB-T Simultaneous Recordings Test

(22 posts)
  1. grahamlthompson

    grahamlthompson

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    As a test I recorded 3 SD channels from com 6 - Signal Strength 90% Quality.

    33 Sony Movies My Neighbours Keeper

    23 Deja Vu Rick Steins India

    26 Yesterday Narrow Escapes of World War ii

    All recordings played back with no pixellation or audio loss.

    Just the usual low picture quality due to low bitrates used.

    | Sat 15 May 2021 13:13:12 #1 |
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    A1944

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    This thread relates to some specific issue, with a particular box?

    | Sat 15 May 2021 18:18:33 #2 |
  3. grahamlthompson

    grahamlthompson

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    A1944 - 1 min ago  » 
    This thread relates to some specific issue, with a particular box?

    It should have been in the Aura HD threads.

    Some are reporting issues with pixelation on DVB-T SD content when using multiple tuners. I lost track of the posts after agreeing to set up a test. I found no particular issues.

    | Sat 15 May 2021 18:22:32 #3 |
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    A1944

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    OK, that makes sense now. Maybe the thread can be moved.

    | Sat 15 May 2021 23:07:14 #4 |
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    Martin Liddle

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    grahamlthompson - 5 hours ago  » 
    Some are reporting issues with pixelation on DVB-T SD content when using multiple tuners.

    Would recording 3 channels from the same multiplex require more than one tuner?

    | Sat 15 May 2021 23:37:33 #5 |
  6. grahamlthompson

    grahamlthompson

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    Martin Liddle - 9 hours ago  » 

    grahamlthompson - 5 hours ago  » 
    Some are reporting issues with pixelation on DVB-T SD content when using multiple tuners.

    Would recording 3 channels from the same multiplex require more than one tuner?

    Yes one tuner can do two at the same time. So Two tuners are required. Unit also still tuned to ITV-HD for live TV. So 3 required.

    | Sun 16 May 2021 9:35:13 #6 |
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    caryh

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    I had a pixellation issue on Friday with Vintage Voltage recorded from Dmax.

    Recording simultaniously had been:

    Dmax - Vintage Voltage
    Channel 5 HD World's Most Scenic Railway Journeys
    ITV HD Van De Valk

    Both HD recording were fine, but Vintage voltage had extensive Pixellation roughly every 30 seconds,
    This even caused the recording to keep skipping back approx 5 seconds at one point and looping over the same 5 seconds.

    I attempted to watch Vintage Voltage about 1 hour after it was recorded. To Check for an issye with Dmax itself, I stopped playback,and checked Dmax in real time, which showed no pixellation at all, and signal strength and quality over 95%.

    | Sun 16 May 2021 20:29:09 #7 |
  8. grahamlthompson

    grahamlthompson

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    Thanks I will try that combination though I have a solid 100% quality on all the COM6 and PSB-3 channels.

    I do record Worlds most scenic railway journeys and Van De Valk not watched any recorded Van De Valk yet.

    | Sun 16 May 2021 21:31:41 #8 |
  9. Paul Bton

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    I have done the 3 recording test on both Aura and 4000T. There seems to be a real problem for me with the Aura on the SD channels particularly on COM6 ArqB Mux (channels 25 and 26 Yesterday etc). The signal quality is low and fluctuating whilst signal 96%-100%.

    I will try to attach picture screen shots:
    first one should be Aura. 2nd pic 4000T

    Attachments

    1. Humax_4000T_IMG_2100_low.jpg (478.5 KB, 1 downloads) 1 mnth old
    2. Humax_aura_IMG_2099_low.jpg (476.6 KB, 2 downloads) 1 mnth old
    | Mon 17 May 2021 12:10:00 #9 |
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    Martin Liddle

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    Paul Bton - 2 hours ago  » 
    I have done the 3 recording test on both Aura and 4000T. There seems to be a real problem for me with the Aura on the SD channels particularly on COM6 ArqB Mux (channels 25 and 26 Yesterday etc). The signal quality is low and fluctuating

    Interesting. However on the Aura Tuner 3 appears to be receiving from a different frequency than the FVP-4000T so difficult to compare.

    | Mon 17 May 2021 14:33:29 #10 |

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