LPCM is the method of lossless encoding of audio data in the compact disc. Some DVDs (mainly music DVDs) may contain an uncompressed LPCM (same as raw) stereo soundtrack. The lossless stereo track, compared to lossy AC3 or DTS soundtrack, would sound better with the stereo amplifier.

However, when you want to convert a concert video DVD with LPCM audio track to other video format like Xvid and meanwhile avoid re-encoding the audio tracks in order to preserve the original audio quality, you may find almost all of the Xvid video converters will convert the audio track into AC3 or MP3, though some may support direct passing through of AC3 or DTS, but not LPCM.

So is there any Xvid video converter allowing direct LPCM audio passing through? Or what’s the best way to achieve the target? I haven’t found a good program to do this work in one step but there is indeed a good solution needing a few free programs to work together to finish the task.

1. Demux the LPCM audio from the DVD.

If the DVD is in the DVD-ROM drive, set DVD Decrypter for IFO Mode, go to the Stream Processing tab and set it to demux the audio you want.

demux audio in DVD Decrypter

If the DVD is already ripped to the hard drive using a DVD ripper, you can load the VOBs into DGIndex and save the project file out to get the audio stream.

save project to get audio steam

2) Convert the DVD to Xvid file using a DVD to AVI converter like  AutoGK or StaxRip.

3) Load the converted Xvid file to VirtualDubMod; then add the LPCM audio to the Xvid file and remove the existing audio, which should be done in the following: VirtualDubMod/Streams/Stream List, right-click on the stream and go to Full Processing Mode.

4) Save the new AVI format file using “Direct Stream Copy” mode in VirtualDubMod and you’ll have the Xvid video and LPCM audio in an AVI container in a few minutes.

If you have any suggestion to better do the work, please share with us by leaving comments.

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Have you ever ripped a commercial DVD and burn to a blank DVD to make a backup for yourself? If yes, what software did you use to do this work? I think most people use the free ripping tools like DVD Decrypter and DVD Shrink and then burn with freeware like ImgBurn or other burning programs.

Recently, one of my friends turned to me for help, for he couldn’t play a burned DVD in the standalone DVD player. He ripped the usual VIDEO_TS and AUDIO_TS files to his hard drive with DVD Shrink and then burned the files to a blank DVD with ImgBurn in the option of “Write files/folders to disc”, but the burned DVD couldn’t play in his standalone DVD player, though the files could normally play in his PC. He was unable to figure out what was wrong.

Have you ever met such problem, when you are backing up you DVD?  Where was wrong in the whole operation in your opinion? Actually, where the shoe pitches is the ripping tool. Although the DVD files are created on your hard drive and you can play them in your PC, which seems you have ripped the DVD, it doesn’t mean the files have been ripped correctly and properly.

As we know, DVD ripping software like DVD Decrypter and DVD Shrink haven’t been under development for years, while the DVD copy-protection technology are updated constantly. Thus the outdated DVD ripping software is unable to fully and correctly decrypt the newer commercial DVD. When you use the incorrectly ripped DVD files to burn, the burned DVD cannot play in your standalone DVD player. Therefore, you need to use a DVD ripping program competent to rip the latest copy-protected DVD so that you can burn playable DVDs swimmingly.

TouchUp DVD Ripper Platinum is such a tool to break the latest DVD copy protection with constant update. It can produce excellent output video and audio quality with super speed. To know its tons of features further, please check here.

Tip: Make sure the VIDEO_TS folder of the DVD you burned is in uppercase letters only; otherwise the standalone DVD players may not find the folder.

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