Re: [Mjpeg-users] dvd with 24 bits/48 kHz audio

2005-04-05 Thread Dave Chapman
Bernhard Praschinger wrote: > Hallo > > >>However, I've already done the hard work in my DVD-Audio authoring >>application, so I will try and copy-and-paste together a "wav2lpcm" >>program that supports 16-bit and 24-bit samples. I'll add 20-bit when >>I've worked out how they are stored - I'm a

Re: [Mjpeg-users] dvd with 24 bits/48 kHz audio

2005-04-05 Thread Mark Rages
On Apr 5, 2005 1:06 PM, Bernhard Praschinger <[EMAIL PROTECTED]> wrote: > > BTW: Does it make sense, when you convert the bitrate, from 44.1kHz > 16Bit to 48/96kHz that you increase also the audio sample depth to 20 or > 24 bit when resampling ? To be able to reconstruct the waveforme more > exact

Re: [Mjpeg-users] dvd with 24 bits/48 kHz audio

2005-04-05 Thread Bernhard Praschinger
Hallo > However, I've already done the hard work in my DVD-Audio authoring > application, so I will try and copy-and-paste together a "wav2lpcm" > program that supports 16-bit and 24-bit samples. I'll add 20-bit when > I've worked out how they are stored - I'm assuming there's even less > demand

Re: [Mjpeg-users] dvd with 24 bits/48 kHz audio

2005-04-05 Thread Steven M. Schultz
On Tue, 5 Apr 2005, Dave Chapman wrote: > I've just checked the sox CVS (see http://sox.sourceforge.net) and > 24-bit support is still on the TO-DO list. To quote that file: :( > I've just started exploring 24-bit audio under Linux, and share your > feeling that very few applications s

Re: [Mjpeg-users] dvd with 24 bits/48 kHz audio

2005-04-05 Thread Dave Chapman
Steven M. Schultz wrote: >>I don't know if any tools exist to do this manipulation. > > > Is there a newer version of 'sox' that might do the task? I haven't > done any serious looking at audio projects but I get the feeling that > 24bit audio isn't well supported outside the p

Re: [Mjpeg-users] dvd with 24 bits/48 kHz audio

2005-04-05 Thread Steven M. Schultz
On Tue, 5 Apr 2005, Dave Chapman wrote: > Unfortunately, it's not quite as simple as that for 24-bit audio. I didn't think it would be ;) Oh, you're also quite correct about flipping bytes in the 16bit lpcm files - I momentarily forgot that '-x' is needed when using sox

Re: [Mjpeg-users] dvd with 24 bits/48 kHz audio

2005-04-05 Thread Dave Chapman
Steven M. Schultz wrote: > Yes, something like > > sox input.wav sox.raw > > might do the trick - but check the manpage first ;) I should also add (for completeness) that 16-bit audio requires byte-swapping when converting from WAV to a raw format. mplex also requires LPCM au

Re: [Mjpeg-users] dvd with 24 bits/48 kHz audio

2005-04-05 Thread Dave Chapman
Steven M. Schultz wrote: >>i'm trying to create a dvd video with an lpcm >>soundtrack that has a sample size of 24 bits and a >>sample frequency of 48 kHz. when i run mplex: >> > >>are there problems with mplex and lpcm audio? if so, > > > No, there are not any known problems if you give

Re: [Mjpeg-users] dvd with 24 bits/48 kHz audio

2005-04-04 Thread Steven M. Schultz
On Mon, 4 Apr 2005, chris wrote: > i'm trying to create a dvd video with an lpcm > soundtrack that has a sample size of 24 bits and a > sample frequency of 48 kHz. when i run mplex: > > mplex -f 8 -L 48000:2:24 -o sample2448.mpg movie.m2v > sample2448.wav > >INFO: [mplex] mplex version 1.6

[Mjpeg-users] dvd with 24 bits/48 kHz audio

2005-04-04 Thread chris
hello, i'm trying to create a dvd video with an lpcm soundtrack that has a sample size of 24 bits and a sample frequency of 48 kHz. when i run mplex: mplex -f 8 -L 48000:2:24 -o sample2448.mpg movie.m2v sample2448.wav i get this output: INFO: [mplex] mplex version 1.6.2 (2.2.3 $Date: 2004/01