timestamping feature

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1954STC
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timestamping feature

Post by 1954STC » Wed May 20, 2009 2:24 pm

Hi, I'm new to Audacity.
I have a set of audio clips that I would need to save onto my PC using it's built-in sound card.
I would need to record these clips as .wav files & time stamp them (either in the file name or inside the audio clip itself).

Audacity seems like a good choice, but I don't see the time stamp feature.

Is there a way to incorporate this feature into Audacity - are there DLLs that allow me to use LabView or VisualBasic code that I write to add this feature ?

Any suggestions on how to approach this would be appreciated.

Thanks,
ak

kozikowski
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Re: timestamping feature

Post by kozikowski » Wed May 20, 2009 2:56 pm

All computer files carry a creation time and date. Windows isn't always the best at letting you see it, but it's always there. There is no stamp feature because you can't stop it.

Koz

1954STC
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Re: timestamping feature

Post by 1954STC » Tue May 26, 2009 5:40 pm

Yes, I understand.

In general, is there an ability to create custom LabView, C++, or VisualBasic code that can use Audacity functions ?
(Are there DLLs for software developement ?)

Regards,
ak

kozikowski
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Re: timestamping feature

Post by kozikowski » Tue May 26, 2009 5:51 pm

Hang one. Let me inquire.
Koz

Gale Andrews
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Re: timestamping feature

Post by Gale Andrews » Tue May 26, 2009 11:48 pm

What is the basis of the timestamp - time when you recorded the file or file modified time? If you used File > Export Multiple (the most efficient method, because you could export the files all at one go) the files would all have near identical timestamps.

If the file modified time is what you want I would just make it easy on yourself and write a command line script that renames the exported files to include the file modified date. Even easier, use xplorer2 and the File > Mass Rename feature - enter $N $D and a space and the file modified time will be added to the end of all the file names. If you want the recorded time, you can of course enter it manually as the file name or (in Audacity 1.3.7) in the Comment field in the Metadata Editor that pops up when you export. This latter assumes your application can read LIST INFO tags in the riff chunk of WAV files. We don't yet support Broadcast WAV (BWF) that allows entry of real timestamp data in the metadata.

If you do want to discuss a feature such as adding system clock information to the names of exported files, please subscribe to our developers' mailing list and ask there. Audacity is C++. Certainly it's theoretically possible to compile Audacity from latest CVS development code:
http://audacityteam.org/community/developers#cvs

and create a plug-in for use in Audacity if you provide hooks to it in the code:
http://audacityteam.org/wiki/index.php? ... wn_Plug-in


Gale
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kozikowski
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Re: timestamping feature

Post by kozikowski » Wed May 27, 2009 2:01 am

:shock: I think I need to lie down for a minute.
Koz

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