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saving and exporting/importing WAV and other files

 
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D Voice
Been Here Awhile


Joined: 26 Jun 2010
Posts: 232

PostPosted: Thu Feb 21, 2013 2:47 am    Post subject: saving and exporting/importing WAV and other files Reply with quote

For various reasons, I have been recording and doing quick edits in one application, saving, and then finishing up in another. I have been saving the raw or rough edited dry files in 16-bit 44.1khz WAV, and opening it up in another (32-bit float, 48kb). But it occurs to me that maybe this is pointless. (Generally files are sent from the second application as either 16-bit/44.1khz WAV or .mp3 at 44.1khz. occasionally 48khz.)

1. Am I losing something? Is there any (dis)advantage to opening and work on something at the higher bit depth and rate when it was already saved at the lower rate?

2. Would there be any advantage to save the WAV files from the first application at 24-bit or 32-bit floating point, and open those in the new application?


Last edited by D Voice on Thu Feb 21, 2013 10:18 am; edited 2 times in total
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heyguido
MMD


Joined: 31 Aug 2011
Posts: 2507
Location: RDU, the Geek Capitol of the South

PostPosted: Thu Feb 21, 2013 8:07 am    Post subject: Reply with quote

You're not losing something.... You're gaining unwanted digital artifacts created by upconverting from a lesser source. Stop.

Your best course of action is to record in your target file type.

Your OPTIMUM solution is to find one piece of software that will do it all.

I'm willing to bet that one or the other of the two you have will do it.... You just haven't learned how yet.
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Don Brookshire
"Wait.... They wanna PAY me for this?"
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agettig
Contributor IV


Joined: 14 Sep 2010
Posts: 111
Location: Portage, MI

PostPosted: Thu Feb 21, 2013 8:16 am    Post subject: Reply with quote

I don't think there is any advantage to editing it at the higher rate because it's doing some kind of resampling to open at the higher rate and probably adding artifacts you don't want.

If anything, record at the higher rate and then downsample for delivery. Using your 48k example, you might record at 24 bit/48k and then save at a lower bit rate for delivery. If you really need to go back and forth between aHobo Tounges, pick a setting and stick with it. Also, mp3's are lossy and not a good file format for what you are doing. Use wav or aiff.

Better still, see if you can do everything you need to do in one aHobo Tounge. It will save you time and sanity. Smile

99% of my stuff is done at 16/44.1 unless the client specifically asks for something else.
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Jason Huggins
The Gates of Troy


Joined: 12 Aug 2011
Posts: 1846
Location: In the souls of a million jeans

PostPosted: Thu Feb 21, 2013 8:31 am    Post subject: Reply with quote

Recording at a higher bit rate (24-bit instead of 16-bit) gives you a bit more headroom. As for higher sample rate, you can record at the rate you plan to deliver. I personally record everything at 44.1khz (that is kilohertz by the way, not kilobits).

I you are using Garage Band, it won't do the conversions the way you want. Download Audacity or Studio One Free. They will both do what you need, and Much better than Garage Band.
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D Voice
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Joined: 26 Jun 2010
Posts: 232

PostPosted: Thu Feb 21, 2013 10:17 am    Post subject: Reply with quote

Jason Huggins wrote:
Recording at a higher bit rate (24-bit instead of 16-bit) gives you a bit more headroom. As for higher sample rate, you can record at the rate you plan to deliver. I personally record everything at 44.1khz (that is kilohertz by the way, not kilobits).

If you are using Garage Band, it won't do the conversions the way you want. Download Audacity or Studio One Free. They will both do what you need, and Much better than Garage Band.


Yes, thanks Jason, indeed I meant khz- I edited above to correct that,

OK, full disclosure: the thing is, I often record on one computer (my quietest, yet with the least amount of RAM) and edit or mixdown on another (more powerful, but noisier one). I also sometimes have files from the Zoom H4N.

I happen to prefer Audacity (2.x) for the first stage of recording and initial edits because:
a) it is installed/updated on every computer I have
b) I work much faster on Audacity- record, retake and edit- (especially after learning to use the Z and C hot keys, etc.)
c) I prefer the NR algorithm on Audacity

Yet I prefer AA for the EQing, filters, and other processing (Truth be told, I only have version 1.5).

I have been able to get Audacity to record in 24 bit (with the ASIO drivers); and discovered there is an Export setting "other uncompressed files" which allows WAV files in 24 bit, 32-bit and 64-bit floating point, etc.
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