LPCM to Wave (help)

MacPhisto · 10th December 2001, 02:37

How can i convert a file that i rip from a dvd-audio who is in LPCM format to wav??
By the way who is the better format to extract the audio from the dvd is, te LPCM 2 ch or AC3 6 ch, because i want to do a audio cd from a dvd-audio?

Thanks

ProfDrMorph · 10th December 2001, 16:42

LPCM = Linear PCM = the format that uncompressed .WAV files use. Maybe only the .WAV Headers are missing. Try to add the using Cool Edit. Just open the file in RAW mode with 48kHz, 16Bit, Stereo. Then save it as .WAV file. Maybe you even have got a .WAV file and don't know it

MacPhisto · 12th December 2001, 18:24

I don´t think that the file is a wave file because i try to change the extension of the file to .wav ( the original extension is .vob)only to see if the file is really a wav, he isn´t´. i´m new in this, so take a litle patience with me!!!

Thanks anyway

eclipsedvd · 12th December 2001, 20:16

i've got a special release of DVD2AVI.
There is a option for LPCM Audio Data: 'Use ACM' & 'SelectConfig ACM'.
So you can specify the codec you want, and it safe it.
I haven't tested it because i've never seen dvd with lpcm audio.

a+
ECLiPSE

ProfDrMorph · 12th December 2001, 21:03

Either try eclipsedvd's method or try a tool that accepts raw LPCM files as input. E.g. Cool Edit, Lame,... nearly all programs that are not totally outdated should accept raw files.

All audio streams i've seen so far on DVDs have a sample rate of 48kHz, 16bit and have either 2 channels ( for stereo ), 4 channels ( for Dolby Surround ) or 6 channels ( for Dolby Digital 5.1 ). I think your file as 2 channels. You need this information to tell the programs what it has to look for if the file is a raw PCM file.

13th December 2001, 11:59

Is this a DVD-Video with 24 Bits/96 KHz or 6 channel 16 Bits 44.1 KHZ audio or a real DVD-Audio ?? if last applies is it 2 channel 24 Bits 192 KHZ stereo sound or 6 channel 24 Bits 96 KHz surround sound ?

Note that for DVD-Audio Meridian Lossless Packaging ( MLP ) was used on at least the 6 channel sound ( dont know about stereo ) , so you'll need a software decoder/decompressor/DirectShowFilter for MLP ...

MacPhisto · 14th December 2001, 22:26

I use SmartRipper to extract the files with this options
Stream Processing : Audio english LPCM (2ch) 48KHz 16 bit
There is another option but don´t use it
Audio English AC3 (6ch) 48KHz
This options is the audio options of the DVD

I try to open the files with cool edit 2000 in raw mode but nothing, i will try to update the version of cool edit to see what happens.

Thanks for all

wilson2k · 19th December 2004, 05:56

Hi there,

I am just wondering how to convert CD to LPCM format...

emdiem · 20th December 2004, 01:56

Okey. THis is the deal.

you have audio in a .vob file isnt a LMPC thingy. It that the file with video and audio have LPCM as audio format.

Extract audio with VOBEDIT

LPCM = WAVE .wav

CD ripp is LPCM but you have to make it 48hz thing, resample in coledit/soundforge.

also a fast way to extract the audio from a .vob file is to use DVD2AVI, just choose demux all audio and press F4 to save the project file, and a .wav file will be extracted.

jsoto · 22nd December 2004, 00:08

DVD2AVI (at least the versions I use) and VobEdit fail if LPCM is not 16 bits and 48 kHz
You can use PgcDemux (see my sig), except in the case of 20 bits, which is still unsupported.

jsoto

10th December 2001, 02:37	#1 \| Link
MacPhisto Registered User Join Date: Dec 2001 Location: Portugal Posts: 30	LPCM to Wave (help) How can i convert a file that i rip from a dvd-audio who is in LPCM format to wav?? By the way who is the better format to extract the audio from the dvd is, te LPCM 2 ch or AC3 6 ch, because i want to do a audio cd from a dvd-audio? Thanks

12th December 2001, 20:16	#4 \| Link
eclipsedvd Registered User Join Date: Oct 2001 Location: France Posts: 21	i've got a special release of DVD2AVI. There is a option for LPCM Audio Data: 'Use ACM' & 'SelectConfig ACM'. So you can specify the codec you want, and it safe it. I haven't tested it because i've never seen dvd with lpcm audio. a+ ECLiPSE __________________ ECLiPSEDVD Guides & News http://www.eclipsedvd.fr.st

19th December 2004, 05:56	#8 \| Link
wilson2k Registered User Join Date: Dec 2004 Posts: 19	Convert CD to LPCM? Hi there, I am just wondering how to convert CD to LPCM format...

22nd December 2004, 00:08	#10 \| Link
jsoto Just a Member Join Date: Nov 2002 Location: Spain Posts: 2,067	DVD2AVI (at least the versions I use) and VobEdit fail if LPCM is not 16 bits and 48 kHz You can use PgcDemux (see my sig), except in the case of 20 bits, which is still unsupported. jsoto __________________ Web sites with my tools http://download.videohelp.com/jsoto http://jsoto.posunplugged.com/

10th December 2001, 16:42	#2 \| Link
ProfDrMorph fresh brains! Join Date: Oct 2001 Location: Germany Posts: 195	LPCM = Linear PCM = the format that uncompressed .WAV files use. Maybe only the .WAV Headers are missing. Try to add the using Cool Edit. Just open the file in RAW mode with 48kHz, 16Bit, Stereo. Then save it as .WAV file. Maybe you even have got a .WAV file and don't know it

12th December 2001, 18:24	#3 \| Link
MacPhisto Registered User Join Date: Dec 2001 Location: Portugal Posts: 30	I don´t think that the file is a wave file because i try to change the extension of the file to .wav ( the original extension is .vob)only to see if the file is really a wav, he isn´t´. i´m new in this, so take a litle patience with me!!! Thanks anyway

12th December 2001, 21:03	#5 \| Link
ProfDrMorph fresh brains! Join Date: Oct 2001 Location: Germany Posts: 195	Either try eclipsedvd's method or try a tool that accepts raw LPCM files as input. E.g. Cool Edit, Lame,... nearly all programs that are not totally outdated should accept raw files. All audio streams i've seen so far on DVDs have a sample rate of 48kHz, 16bit and have either 2 channels ( for stereo ), 4 channels ( for Dolby Surround ) or 6 channels ( for Dolby Digital 5.1 ). I think your file as 2 channels. You need this information to tell the programs what it has to look for if the file is a raw PCM file.

13th December 2001, 11:59	#6 \| Link
ChristianHJW Guest Posts: n/a	Is this a DVD-Video with 24 Bits/96 KHz or 6 channel 16 Bits 44.1 KHZ audio or a real DVD-Audio ?? if last applies is it 2 channel 24 Bits 192 KHZ stereo sound or 6 channel 24 Bits 96 KHz surround sound ? Note that for DVD-Audio Meridian Lossless Packaging ( MLP ) was used on at least the 6 channel sound ( dont know about stereo ) , so you'll need a software decoder/decompressor/DirectShowFilter for MLP ...

14th December 2001, 22:26	#7 \| Link
MacPhisto Registered User Join Date: Dec 2001 Location: Portugal Posts: 30	I use SmartRipper to extract the files with this options Stream Processing : Audio english LPCM (2ch) 48KHz 16 bit There is another option but don´t use it Audio English AC3 (6ch) 48KHz This options is the audio options of the DVD I try to open the files with cool edit 2000 in raw mode but nothing, i will try to update the version of cool edit to see what happens. Thanks for all

20th December 2004, 01:56	#9 \| Link
emdiem Registered User Join Date: Oct 2003 Posts: 105	Okey. THis is the deal. you have audio in a .vob file isnt a LMPC thingy. It that the file with video and audio have LPCM as audio format. Extract audio with VOBEDIT LPCM = WAVE .wav CD ripp is LPCM but you have to make it 48hz thing, resample in coledit/soundforge. also a fast way to extract the audio from a .vob file is to use DVD2AVI, just choose demux all audio and press F4 to save the project file, and a .wav file will be extracted.