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Topic: Saving As 24-bit (96Khz) using Adobe Audition 3.0 (Read 8624 times) previous topic - next topic
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Saving As 24-bit (96Khz) using Adobe Audition 3.0

I have made a 2 hour PCM recording using an M-Audio MicroTrack II at a resolution of 96Khz @ 24-bit.  The resulting WAV file loads fine into Adobe Audition.  However, I need to edit the file into tracks, but when I try to copy a section of the large file and create a new file to paste it into, Audition only gives me the option of creating a 16-bit file or a 32-bit (float) file.  Are there any ramifications of saving a 24-bit WAV as a 32-bit (float) WAV?

Saving As 24-bit (96Khz) using Adobe Audition 3.0

Reply #1 –
Quote from: bcass on
I have made a 2 hour PCM recording using an M-Audio MicroTrack II at a resolution of 96Khz @ 24-bit.  The resulting WAV file loads fine into Adobe Audition.  However, I need to edit the file into tracks, but when I try to copy a section of the large file and create a new file to paste it into, Audition only gives me the option of creating a 16-bit file or a 32-bit (float) file.  Are there any ramifications of saving a 24-bit WAV as a 32-bit (float) WAV?


Internally, Audition only works with 16 or 32 bit files. It will save and load other formats including 24/96, but it  converts any 24/96 file to 32/96 to work with it, and exports the 32/96 file to 24/96 if you want to save it as a 24/96.

There are only quality negligable losses associated with conversion between 32 and 24 bits, but it will cost you more time to semi-permanently store the file as a 24 bit file while you are processing it during multiple editing sessions. 

When I edit 24/96 files from my Microtrak, I do most of my work on a 32/96 file, and save separate files when I need 24/96 files for burning, distribution, etc. That makes loads and saves for editing much faster.

Saving As 24-bit (96Khz) using Adobe Audition 3.0

Reply #2 –
Thanks for the info.  Do you (or anyone else) know of any other WAV editing software that will allow me to load, create, edit and save at 24-bit?  I had a look at Audacity but it doesn't seem to have any specific settings for bit size.  What about Traverso?  Also, does the MicroTrack save WAVs as int or float?

Saving As 24-bit (96Khz) using Adobe Audition 3.0

Reply #3 –
I have an old version of Soundforge, v8, which just recorded and saved 24 bit 96 kHz file. When copy/pasted an excerpt of the original track into new, it remained 24 bit 96 kHz.

(edited word "old")
TAPE LOADING ERROR

Saving As 24-bit (96Khz) using Adobe Audition 3.0

Reply #4 –
Audition 1.5 that I have allows me to load/save 24-bit files (File > Save As... > Options > 24-bit packed int (type 1, 24-bit)). But it loads 24-bit files much more slower than 32-bit or 16-bit ones.

Saving As 24-bit (96Khz) using Adobe Audition 3.0

Reply #5 –
wavelab loads 24/96 and can save it in that format

maximum is at 32bit float by 384khz


seeya

Saving As 24-bit (96Khz) using Adobe Audition 3.0

Reply #6 –
Quote from: Arnold B. Krueger on
There are only quality negligable losses associated with conversion between 32 and 24 bits, but it will cost you more time to semi-permanently store the file as a 24 bit file while you are processing it during multiple editing sessions.


24 bit -> 32 bit -> 24 bit conversion is lossless, when the same algorithm is used in both directions. That's usually the case within single applications. Going 24 bit (int) -> 32 bit (float) in application A and then 32 bit (float) -> 24 bit (int) in application B might introduce very negligible losses, though, if their developers have interpreted the PCM float format spec differently. Search my posting history for reference.

So you can continue to use Audition and save the end result without loss as 24 bit files.

Saving As 24-bit (96Khz) using Adobe Audition 3.0

Reply #7 –
Quote from: bcass on
Thanks for the info.  Do you (or anyone else) know of any other WAV editing software that will allow me to load, create, edit and save at 24-bit?  I had a look at Audacity but it doesn't seem to have any specific settings for bit size.  What about Traverso?  Also, does the MicroTrack save WAVs as int or float?


If memory server, the MT is an integer machine.

BTW, I have no concerns with using Audition with 24 bit files.  While it is true that coversions from 24 bit integer to 32 bit float are not exactly lossless, the difference is equal or less than the LSB of the 24 bit file, which is totally inaudible by any reasonable standard.  The MT converters may create 24 bit files, but only about the first 16-17 bits mean anything. The rest is noise.  Hook up a mic and you are down to about 14 bits or worse.