This just happened to me on R5b7!
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| Transcoding problem - sound removed http://forum.linhes.org/viewtopic.php?f=11&t=9499 |
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| Author: | Fidelis [ Wed Apr 05, 2006 7:14 pm ] |
| Post subject: | Transcoding problem - sound removed |
Basics: Using 30.2 and a 350. Onboard sound. P933. Recording fine, playback fine. Desire to remove commericals to burn to disc leads to loading cutlist within MythTV and manually editing cutpoints and following directions from the wiki on transcoding: http://knoppmythwiki.org/index.php?page=VideoEditHowTo Transcode completes after about 15 minutes to an hour, depending on file size. Video quality is great, but there is now no sound when played back within MythTV. All setting for transcoders are at default settings. What am I missing? Should I just use nuvexport to cut commericals? I'd rather stick to the mythtv frontend interface, and I haven't messed with nuvexport yet. Rather stick to the KISS rule. |
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| Author: | Rsx024 [ Sat Apr 08, 2006 2:13 am ] |
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This just happened to me on R5b7!
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| Author: | Fidelis [ Sat Apr 08, 2006 7:21 am ] |
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Hmm...that doesn't fill me with confidence about solving the problem thru upgrading... Same exact problem? Out of curiosity, do you also have your 350 sending the audio and video out to TV? Just trying to make things as clear as possible for those that can help us 
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| Author: | Rsx024 [ Sat Apr 08, 2006 10:34 am ] |
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well i found out that i am more dumb than i thought  i do have a pvr-350 that is sending audio to my tv but i never had actually walked up to my box and checked the wires! turns out my sister robbed my rca cables and left the svideo 
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| Author: | tjc [ Sat Apr 08, 2006 12:14 pm ] |
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Oh that's precious. And here I thought that NASA had a lock on that kind of insanity with the bolts on their "turn over stands".  (For those who don't follow space news, they've dropped about a half dozen multi million dollar satellites on the floor HARD in the last several years, because other projects were "borrowing" the bolts that hold things together and nobody was double checking the equipment before trying to use it. So they'd go to flip the satellite over to work on the other side and SPLAT!)
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| Author: | Fidelis [ Sun Apr 09, 2006 7:17 am ] |
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Glad you found the problem, man, but my original post question remains. Ideas on how to troubleshoot or things to try? |
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| Author: | tone711 [ Mon Apr 10, 2006 2:13 pm ] |
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I had this issue with my PVR-350, no sound after transcoding using the default transcoding settings. I was able to resolve the issue by changing the transcoding setting to use MPEG4 instead of using the default, RTJC>MPEG2 (or whatever it is called) Not sure if this will work for burning to DVD, but it did fix my no sound problem for watching recordings. |
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| Author: | Fidelis [ Mon Apr 10, 2006 2:56 pm ] |
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Thanks for the reply, Tone. When you say, "changing the default transcoding setting," how do you do that? I know about the transcoding settings under Recording Profiles (two are listed for me: "from RTjpeg/MPEG4" and "from MPEG2"), but it does not show which one is being used when I manually start the transcoding process within mythtv frontend. Or, did you mean changing the setting within the "from MPEG2" transcoder to transcode to MPEG4? It was already set to MPEG4 for me. |
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| Author: | nickread [ Mon Apr 10, 2006 7:21 pm ] |
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Just checking, but you do realise that if you transcode from MPEG2 to MPEG4, and play it back, it will no longer be played back through the PVR350 hardware? It will be played back through the system sound card instead. This could explain the problem if you were taking your sound out direct from the PVR350 instead of via the sound card (recommended). |
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| Author: | tone711 [ Tue Apr 11, 2006 6:56 am ] |
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I meant changing the transcoding settings within the "from MPEG2" and/or within "from RTjpeg/MPEG4." I have my sound coming from the PVR-350 and loop it back into the sound card and then out from the sound card. When I first setup my transcoding, the default wasn't set to MPEG4 and when I played it back there was no sound. After I changed the transcoding setting to MPEG4 the sound worked. |
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| Author: | Fidelis [ Tue Apr 11, 2006 5:59 pm ] |
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Thanks for the tips. I'll check and see if those items are helpful in my case. |
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| Author: | Fidelis [ Wed Apr 12, 2006 5:51 am ] |
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I tested it on my PC and they do, in fact, have sound - though it is a bit out of sync. I play with it a bit and see what I can do. I was unaware that transcoding to mpeg4 made the audio go through the sound card. Thanks for that tip, nick. Once again, you help me out. Also, thanks tone, for the clarification. Perhaps I will set mine up like that as well. |
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