Note, this was formerly part of page 3 of this thread, decided to split the discussion:
http://taperssection.com/index.php?topic=47914.30ok, well, being the complete geek that I am, I just ran a little experiment. I took a 24/96 track and converted it to 2 16/44 tracks using 2 different methods:
-split first in cd wav and then resampled to 44.1khz, then dithered to 16 bit
-resampled in wavelab then dithered then split in cdwav
the purpose of this was to determine the effects of running batch processes on a group of tracked out 24/96 files to create 16/44 files. I believed that doing so would create files that would not be identical, would not line up when back together in wavelab and would have sector boundary errors. It turns out that all 3 are true.
here's what i did:
-opened up 24/96 track in cd wav, split in the middle and saved the 2 resulting 24/96 wavs
-saved the cue sheet
-opened the original 24/96 track in wavelab
-resampled to 44.1 khz
-dithered to 16 bit using uv22hr (saving as new file)
-opened the resulting 16/44 track in cd wav
-opened cdwav cue sheet to insure that cut would be at the exact same spot
-saved the 2 resulting 16/44 wavs in a new folder
-opened up the split 24/96 files in wavelab
-resampled each to 44.1
-dithered each to 16bit using the same uv22hr algorithm and the same "save as new file" method
-moved the resulting 16/44 files to the same folder as the other 16/44 split wavs
-compared the files using shntool cmp function
-checked the files using the shntool len function
-opened the first files in wave and inserted the second half of the file at the end using the edit>insert audio file>at end function and zoomed in to the splice point to see whether the wavs matched up.
results:
-the corresponding tracks (comparing the 2 tracks that are the first half of the original track against each other )are identical in size
-using the shntool cmp function to compare the corresponding, the tracks are not identical.
-using the shntool len function illustrated that the files that were split first, then resampled, then dithered had sector boundary errors in between the two tracks, while the tracks that were resampled > dithered > split did not have sbe's
-opening the tracks in wavelab and inserting the second half of the track at the end: the files that were split, then resampled, then dithered, did not line up when the tracks were reassmbled. the tracks that were resampled, then dithered then tracked lined up perfectly.
take this fwiw, but it just proves that i'm a bigger geek than any of you.