Forum Archive Home -> ffmpegX general discussion -> No sound when I convert
No sound when I convert | ||
| gkp posted 2009 Feb 11 15:54 | ||
| I have a mpeg that was exported from my TivoHD. I downloaded the MPEG2 codec from Quicktime so I can watch on my MacBook Pro. When I used FFmpegx to convert to iPod it does not include the sound.
?? any suggestions? I would also like to burn to a DVD. Thanks | ||
| Case posted 2009 Feb 11 16:18 | ||
| What format is the original sound? That is, what does the audio field in the Summary say?
For conversions that fail in part or all, please include the Process Information log (accessible by clicking the blue "i" in the ffmpegX Progress window, after a conversion). This may hold clues to why the sound wasn't included. | ||
| gkp posted 2009 Feb 11 20:20 | ||
| Case
Thank you for the reply. I am sorry to say that I do not know how to find out what the kind of audio it is. When I exported from Tivo it comes out as a MPEG file. Is there a way to find out? I did a "get info" but don't see anything. Thanks for any advice. Best regards. GkP | ||
| gkp posted 2009 Feb 11 20:23 | ||
| ok, when I drag the movie file (mpeg) that I want to convert I see the following info:
mpeg-2, 352x480, 2600 kbps, 29.97 fps mp2, 48000Hz, 192 kbps does that help? Thanks! | ||
| tomlee59 posted 2009 Feb 11 21:30 | ||
| That does help, and it tells us that it should work (but alas, it doesn't).
Case will probably provide the correct solution, but until then, here is something to try: [1) Use MPEGStreamclip to convert the TiVo stream into an "ordinary" MPEG.] 2) Demux that MPEG into elementary video and audio streams. (Step 1 is not needed if the demuxer -- eg, in ffmpegx -- can operate on the TiVo version directly). Verify (e.g., with VLC) that video and audio are what they should be. 3) Remux video and audio. 4) Convert to iPod format, verify and enjoy. | ||
| Case posted 2009 Feb 12 12:01 | ||
The first line describes the video format (MPEG-2), video resolution (352x480), video bitrate (2600 kbps) and framerate (29.97 fps). The second line describes audio format (MPEG audio layer II), audio sampling rate (48 kHz) and audio bitrate (192 kbps). MPEG audio should have no issues with converting, so that's puzzling. I'm still interested in what the Process Information log has to say. | ||
| pixdrzwi posted 2009 Sep 07 04:06 | ||
| It looks like I have similar problem. When I try to convert .mov with mp2 audio (however QT inspector tells audio is MP3..) to ffmpegX iPhone/iPod presets, the output file has no sound!
My video details: video: mpeg4, yuv420p, 608x336 Stream #0.2(eng), 0.50 fps(r): audio: mp2, 48000 Hz, stereo Process Information log: Mon Sep 7 10:44:41 MEST 2009 using cpu capabilities MMX MMXEXT SSE SSE2 mp4 [info]: initial delay 0 (scale 30000) movtoy4m Copyright 2002-2006 Johan Lindström All rights reserved.. Encoding audio.. slice I:2 Avg QP:18.00 size: 13329 PSNR Mean Y:47.91 U:49.29 V:50.11 Avg:48.42 Global:48.40 x264 [info]: slice P:200 Avg QP:18.91 size: 1856 PSNR Mean Y:46.95 U:48.87 V:49.61 Avg:47.58 Global:47.46 x264 [info]: mb I I16..4: 32.4% 0.0% 67.6% x264 [info]: mb P I16..4: 5.5% 0.0% 1.6% P16..4: 58.1% 0.0% 0.0% 0.0% 0.0% skip:34.9% x264 [info]: final ratefactor: 20.09 x264 [info]: PSNR Mean Y:46.959 U:48.876 V:49.618 Avg:47.586 Global:47.471 kb/s:472.28 encoded 202 frames, 53.34 fps, 474.10 kb/s Computing levels... probka.mov.ff.wav 100% done, ETA 00:00:00 (batch 100% done, ETA 00:00:00) File /Users/TKACZ/Desktop/probka.mov.ff.wav has zero power, ignoring... FFmpeg version CVS, Copyright (c) 2000-2004 Fabrice Bellard Mac OSX universal build for ffmpegX configuration: --enable-memalign-hack --enable-mp3lame --enable-gpl --disable-vhook --disable-ffplay --disable-ffserver --enable-a52 --enable-xvid --enable-faac --enable-faad --enable-amr_nb --enable-amr_wb --enable-pthreads --enable-x264 libavutil version: 49.0.0 libavcodec version: 51.9.0 libavformat version: 50.4.0 built on Apr 15 2006 04:58:19, gcc: 4.0.1 (Apple Computer, Inc. build 5250) Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/Users/TKACZ/Desktop/probka.mov.ff.video.mp4': Duration: 00:00:06.7, start: 0.000000, bitrate: 476 kb/s Stream #0.0(und), 29.97 fps(r): Video: h264, yuv420p, 480x272 Input #1, wav, from '/Users/TKACZ/Desktop/probka.mov.ff.wav': Duration: 00:00:06.7, start: 0.000000, bitrate: 1536 kb/s Stream #1.0: Audio: pcm_s16le, 48000 Hz, stereo, 1536 kb/s Output #0, mp4, to '/Users/TKACZ/Desktop/probka.mov.ff.audio.mp4': Stream #0.0: Audio: aac, 48000 Hz, stereo, 128 kb/s Stream mapping: Stream #1.0 -> #0.0 [sync #0.0] Press [q] to stop encoding video:0kB audio:3kB global headers:0kB muxing overhead 110.344828% IsoMedia import - track ID 1 - Audio (SR 48000 - 2 channels) Saving /Users/TKACZ/Desktop/probka.mov.ff.mp4: 0.500 secs Interleaving Adding iPhone atoms.. Encoding completed on Mon Sep 7 10:44:45 MEST 2009 It would be great if anyone help! | ||
| Case posted 2009 Sep 08 00:10 | ||
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| pixdrzwi posted 2009 Sep 08 04:38 | ||
| Thanks for quick reply!
And I know my input file has mp3 audio but ffmpegX show mp2! Maybe that's the problem? |
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