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jim-easterbrook
Posted: Sat Dec 30, 2017 12:50 pm Reply with quote
Frequent contributor Joined: 15 Jan 2007 Posts: 125
gomezz wrote:
jim-easterbrook wrote:
Can anyone suggest a programme that usually doesn't start at the EPG time for me to make a test recording of?
The One Show is always two minutes out.

Unfortunately it's not on again until 8th Jan. Sod's law I suppose.

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Jim Easterbrook
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ccs
Posted: Sat Dec 30, 2017 12:52 pm Reply with quote
Frequent contributor Joined: 30 Oct 2007 Posts: 2537
gomezz wrote:
jim-easterbrook wrote:
Can anyone suggest a programme that usually doesn't start at the EPG time for me to make a test recording of?
The One Show is always two minutes out.
That's the one I'd have chosen - although it's not on next week!

I'm 99% certain the markers are the epg start and finish times.

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jim-easterbrook
Posted: Sat Dec 30, 2017 2:15 pm Reply with quote
Frequent contributor Joined: 15 Jan 2007 Posts: 125
I've set timers on the Toppy and on the Vu+ to record BBC1 from 6:55 to 7:35 on 8th Jan. I look forward to seeing what markers each machine sets.

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Jim Easterbrook
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alan_m
Posted: Tue Jan 02, 2018 12:46 am Reply with quote
Frequent contributor Joined: 18 Oct 2006 Posts: 3484
simonc wrote:


One hardware irritation I've got with the ET8500 unit is the analogue phono out is plagued by a dreadful background hum. I suspect the design of the unit may be at fault as everything's packed tight inside the box and there's not a huge amount of shielding in the largely plastic construction. Rather than send it back (to Germany), or buy a new amp, I've splashed out on a cheap Toslink to RCA adaptor, which appears to be coming from China rather than Manchester Rolling Eyes


It may just be the classic ground/earth loop problem
Google "Ground Loop Audio"

In the past I've cured this by cutting the audio return in the lead and rejoining using a capacitor between the cut wire. A wiki recommended solution is an isolating transformer

https://tinyurl.com/y9gff6oz

https://en.wikipedia.org/wiki/Ground_loop_(electricity)

https://tinyurl.com/y8yogj8r

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simonc
Posted: Tue Jan 02, 2018 10:42 am Reply with quote
Frequent contributor Joined: 12 Apr 2005 Posts: 5639 Location: Cheltenham
Yes, I wondered if it was something like that; it also causes an horrendous audio pop when switching the amp to the XTrend channel, but there's no earthing on either the amp or the XTrend so I ruled it out as less likely. The Toslink adaptor does the trick and cost the same as the readymade ground loop isolator units, although it required a remedial pull down resistor to turn the integral metal cutting laser beam into a power indicator!
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jim-easterbrook
Posted: Tue Jan 09, 2018 7:47 pm Reply with quote
Frequent contributor Joined: 15 Jan 2007 Posts: 125
jim-easterbrook wrote:
I've set timers on the Toppy and on the Vu+ to record BBC1 from 6:55 to 7:35 on 8th Jan. I look forward to seeing what markers each machine sets.

The results are in. The Toppy's recording is listed as 40 min duration and has markers at 1m (2.6%) and 34m (86.1%). Jumping to the start marker starts playing from where the BBC1 ident shows "skaters, Southwark" text.

The Vu+'s recording is 39:49 duration with markers at 2:36 from the start and 5:57 from the end. Jumping to the start marker also starts playing from where the BBC1 ident shows "skaters, Southwark" text, exactly the same position as on the Toppy. The end marker is also in the same place in the recording as on the Toppy.

My OpenVIX box really does appear to be recording accurate bookmarks as well as the Toppy does.

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Jim Easterbrook
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ccs
Posted: Tue Jan 09, 2018 7:56 pm Reply with quote
Frequent contributor Joined: 30 Oct 2007 Posts: 2537
They don't seem to add up though:

Toppy actual program length = 34 - 1 = 33 minutes.

Vix actual program length = 39:49 - (2:36+5:57) = 31:16 minutes

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jim-easterbrook
Posted: Tue Jan 09, 2018 8:00 pm Reply with quote
Frequent contributor Joined: 15 Jan 2007 Posts: 125
I know. I assumed a combination of rounding errors and maybe even some other arithmetic errors, given that the Vu+ end marker is shown as time from the end rather than the beginning.

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Jim Easterbrook
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alan_m
Posted: Tue Jan 09, 2018 10:05 pm Reply with quote
Frequent contributor Joined: 18 Oct 2006 Posts: 3484
ccs wrote:
They don't seem to add up though:

Toppy actual program length = 34 - 1 = 33 minutes.

Vix actual program length = 39:49 - (2:36+5:57) = 31:16 minutes


There is another two time indications for the markers, both -ve values.
Start the recording and hit the > key (below the 9 key) once to get to the first marker and the first negative time value. Press the > key again to get to the second marker and the second negative time value. Subract one from the other get get the duration.

You can hit the OK button when watching the recording to get the the prograss bar with the markers.

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ccs
Posted: Tue Jan 09, 2018 10:23 pm Reply with quote
Frequent contributor Joined: 30 Oct 2007 Posts: 2537
alan_m wrote:
ccs wrote:
They don't seem to add up though:

Toppy actual program length = 34 - 1 = 33 minutes.

Vix actual program length = 39:49 - (2:36+5:57) = 31:16 minutes


There is another two time indications for the markers, both -ve values.
Start the recording and hit the > key (below the 9 key) once to get to the first marker and the first negative time value. Press the > key again to get to the second marker and the second negative time value. Subract one from the other get get the duration.

You can hit the OK button when watching the recording to get the the prograss bar with the markers.
Aren't the 2 values I've used (2:36 and 5:57) what you see when pressing > twice?

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jim-easterbrook
Posted: Tue Jan 09, 2018 11:00 pm Reply with quote
Frequent contributor Joined: 15 Jan 2007 Posts: 125
Yeah, I've only just realised that time from start is shown on the left, time from end is shown on the right. The values add to the reported duration though, so that's not the problem. More likely an error in converting the recording size to a total duration I'd have thought.

Be that as it may, the markers actually take you to the correct bits of the recording, as they do on the Toppy. No, I'm not going to sit through the One Show to measure the actual time from one marker to the next.

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Jim Easterbrook
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ChunkyBloke
Posted: Wed Jan 10, 2018 11:07 am Reply with quote
Regular contributor Joined: 14 Jul 2006 Posts: 84
jim-easterbrook wrote:
No, I'm not going to sit through the One Show to measure the actual time from one marker to the next.
Absolutely. That is well beyond the call the duty Laughing

Thanks for the investigations. I had a gut feel that it was using the start program signal to set the markers as I had noticed that first marker seemed to vary in position (relative to the start of the whole recording) and not just be [length of padding] minutes in each time.

I also noticed on a recording the other day, there were two markers near the start of a recording. I think the previous program had overrun slightly and the first marker was the end of the overrunning program and the next marker was the start of the program I was wanting to record.

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ccs
Posted: Wed Jan 10, 2018 4:28 pm Reply with quote
Frequent contributor Joined: 30 Oct 2007 Posts: 2537
After a lot of searching, I've found just one relevant enigma2 post mentioning markers....

Quote:
The recording process watches for the programme start/stop events in the EIT stream and puts the markers in the timeline you see when you play the recording back


Oddly, it was in a thread I'd started, though the subject was totally different.

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simonc
Posted: Thu Jan 11, 2018 7:09 pm Reply with quote
Frequent contributor Joined: 12 Apr 2005 Posts: 5639 Location: Cheltenham
The only enhancement to the current functionality then would be an additional question asking if you want to jump to the first marker. It already asks you if you want to resume where you left off. Wonder if the E2 team could be persuaded to add that.
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ccs
Posted: Thu Jan 11, 2018 7:42 pm Reply with quote
Frequent contributor Joined: 30 Oct 2007 Posts: 2537
simonc wrote:
The only enhancement to the current functionality then would be an additional question asking if you want to jump to the first marker. It already asks you if you want to resume where you left off. Wonder if the E2 team could be persuaded to add that.
Surely ">" takes you there, assuming you answer "no" if asked to resume.

When in movielist, ">" plays the next programme.

It would be handy if it could be remapped to play (currently selected) programme starting at the first marker.

I guess a harmony remote could do that.

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