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Posted by Ty Ford on 10/05/26 11:44
On Fri, 7 Apr 2006 07:33:07 -0400, Frank wrote
(in article <33ic32hcgr13db6hg39nl2r2gkqje0etrn@4ax.com>):
> On Thu, 6 Apr 2006 17:06:14 -0400, in 'rec.video.desktop',
> in article <Ripping audio and video from a DVD...on a Mac>,
> Ty Ford <tyreeford@comcast.net> wrote:
>
>> OK, I'm not pirating anything. My client has asked me to clean up some bad
>> audio from a VHS videotape.
>>
>> She digitized it as a regular old DVD with Audio_TS and Video_TS folders.
>> There's nothing in the Audio folder and six files in the Video Folder; a
>> Video_TS BUP and IFO, and four VTS files -- BUP, IFO, and two VOBs.
>>
>> Mac The Ripper gives me a 31 MB .m2V file and 8 MB 2ch.pcm file on one
>> pass.
>> I know the audio is the PCM, but no Mac app I have seems to want to open
>> it.
>> Quicktime Pro gives me a -2048 error. I'm Running QT 7.04 Pro.
>>
>> I think there are six separate chapters on this particular disc.
>>
>> Thanks,
>>
>> Ty
>>
>>
>>
>> -- Ty Ford's equipment reviews, audio samples, rates and other audiocentric
>> stuff are at www.tyford.com
>
>
>
> Hello Ty:
>
> If we were neighbors, I would do this for you in Adobe Audition, but
> since we're not, you'll simply need to get your hands on a decent
> Mac-compatable audio editing program such as one of the Bias Peak
> products, or some other program which handles raw PCM files. After
> you've successfully opened the file in a program such as this, you can
> immediately save it out as an .aiff file, as a .wav file, or even as
> an audio-only .mov file for subsequent use in other applications.
>
> Peak comes in three flavors these days: Peak LE, Peak Pro, and Peak
> Pro XT. Even Peak LE, the lowest priced of the three versions, should
> be able to do the job, although it's limited to 24/96 while the two
> higher-end products support bit depths up to 32 and have no sampling
> rate restrictions.
>
> When you attempt to open the file, you'll have to inform the program
> as to the bit depth and sampling rate of the datastream. For the
> DVD-Video disc that you've described above, it's most likely 16/48,
> but you'll know immediately just by looking at the waveform display --
> or by playing the file. It will sound like hash if you've guessed
> incorrectly. Just keep trying different combinations of bit depth and
> sampling rate until you hit upon the right one.
>
> You'll also need to specify the number of channels, most likely two in
> this case, whether the data is signed or unsigned, and whether the
> samples are stored in Big Endian (Motorola) or Little Endian (Intel)
> format.
>
> Good luck!
>
>
Thanks Frank,
Weirdly, PTLE 7.0 doesn't recognize the file, nor did Sountrack Pro.
I'll keep tinkering.
I was surprised to see a .pcm extension
Regards,
Ty
-- Ty Ford's equipment reviews, audio samples, rates and other audiocentric
stuff are at www.tyford.com
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