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| Mythburn dvd's - No sound? http://forum.linhes.org/viewtopic.php?f=6&t=9940 |
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| Author: | speedsix [ Sat May 06, 2006 2:46 pm ] |
| Post subject: | Mythburn dvd's - No sound? |
Hi, I'm using R5B7 and I tried creating a mythburn dvd iso, burnt the disk. Everything worked fine except there was no sound for the video. Menu sound was present. Any suggestions? Also, stupid question but I have a seperate frontend/backend setup.. so how does the 'burn to dvd' option work? Which machine is it going to attempt to burn on? Currently I am accessing the iso in the temp folder on the backend machine over a samba share and burning it on the burner in the frontend. Thanks Dom |
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| Author: | ryanpatterson [ Sat May 06, 2006 8:33 pm ] |
| Post subject: | |
Let me guess sense you couldn't be bothered to include any details in your post. . . You are using a NTSC standard tuner (North America, Japan) and you are using a hardware mpeg encoder tuner card and you are trying to play the DVD in a standard set top DVD player. Your DVD player can only play sound in certain formats Dolby AC3 & linear PCM (maybe DTS too). But your tuner card stores the sound in mpeg format. You have to convert the sound channel to somthing that your player can understand. Also try playing the DVD on a computer DVD player like powerDVD. Usally they can handle mpeg sound compression. |
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| Author: | speedsix [ Sun May 07, 2006 3:00 am ] |
| Post subject: | |
Hi, sorry for the lack of details.. Card is DVB-T, no hardware encoder. I'm attempting to play the disc in linux. Tried via regular anologue speakers and passing the audio stream to an external decoder, still no joy. I'll try it with the 'transcode first track to AC3' but why does it say for ntsc dvds? Thanks |
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| Author: | simonf [ Sun May 07, 2006 6:32 am ] |
| Post subject: | Known Problem Solved By Brute Force |
Hi I also had the same problem and cured it usin a few brutal edits to the scripts you can check out the solution on the following link dont know how many others have tested it but it works for me and at least one other http://www.mysettopbox.tv/phpBB2/viewtopic.php?t=9311 ps the answer is on the second page as it went a little off thread on the first page |
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| Author: | stevegoodey [ Wed Nov 08, 2006 2:04 pm ] |
| Post subject: | |
Hello, Couldn't find the above thread, but found a possible solution here. http://mysettopbox.tv/phpBB2/viewtopic. ... burn+sound But my problem was no sound when multiple epsides/programmes were on 1 DVD and that was fixed by http://mysettopbox.tv/phpBB2/viewtopic. ... 1&start=15 simonf has supplied two changed files, mpeg2cut-px.sh and remplex.sh make sure file permissions match the replaced files. Regards, Steve |
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| Author: | Steve Hosgood [ Fri Dec 01, 2006 7:11 am ] |
| Post subject: | This ought to go in a FAQ |
I've had this problem too: same story, UK DVB-T and some programmes burn to disk with the 64kbps mono commentary soundtrack rather than the 256kbps stereo main soundtrack. I've not actually tried simonf's patches yet (with Knoppmyth R5D1) but I will tonight. I'm 99.9% confident that they'll work. Like he did, I'd identified the problem - I just wasn't sure how to fix it. BTW: I believe MythTV is changing to use MythArchive instead of MythBurn in the latest release, so I guess Knoppmyth will catch up on this at its next release? Until then, for UK DVB-T users, this patch is likely to be close to compulsory! |
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| Author: | simonf [ Fri Dec 01, 2006 7:39 am ] |
| Post subject: | My Old Patches |
Hi all I didnt know people were using the patches still. I Have found a better solution for NEW recordings only: In in the setup for the DVB card you go onto the second page and tick the box marked use hardware mpeg decoding, the card only records the good audio channel. These will burn to dvd with no problems !! You will still need to use the patches with old recordings I have not used my Patches on D1 as all my current recordings are ok Simon |
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| Author: | Steve Hosgood [ Thu Dec 07, 2006 7:29 am ] |
| Post subject: | I think that might fix a different problem... |
Simon: you suggest using "hardware MPEG decode", but I can't see how that helps. Cards like the Hauppauge NOVA-T (which is what I have) don't have any hardware decode, and quite honestly I'd assume MythTV users wouldn't want such a thing even if it did exist. My problem (which you fixed) is that we record the MPEG Transport Stream direct to disk (which uses the minimum CPU and disk space). The only time we need an MPEG decoder is when we watch the thing. I use a 1.2GHz VIA EPIA unit for that bit, and it does have hardware MPEG decoder assistance. But when it comes to making a DVD, I don't want to decode the MPEG, just recode it into VOBs. We Brits are just seeing a problem with wrong soundtrack being picked up (maybe others are too?). Quite honestly, MythBurn is fatally flawed here anyway. If the TV programme had multiple soundtracks, we ought to remultiplex all of them onto the DVD, not choose just one. Additionally, it would be nice to get the DVB-T subtitles (if there are any) transcribed to DVD too. It looks like ProjectX is doing all the work for both of these wish-items, but MythBurn is only putting the primary video and random soundtrack into the VOB. I *think* MythArchive will fix that from what I've seen on the MythTV forums. We'll just have to wait until MythArchive replaces MythBurn in Knoppmyth or do an upgrade by hand. In the meantime, Simon, we do at least have your patched scripts to avoid the worst of the MythBurn bug! Thank you! Steve |
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| Author: | simonf [ Thu Dec 07, 2006 9:20 am ] |
| Post subject: | Yes It Does Do the job |
Steve Hardware MPEG Decode does work !! It is just badly named what it actualy does is : Strip the stream into its component parts and only saves the primary streams IE the video and first audio stream thus when you come to burn them to disk you get the correct audio stream. I am sure from what i read mytharchive allows yo to record multiple audio streams etc.. I just havnt plucked up the courage to load it onto my live box yet. Simon |
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