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10-21-2011, 01:05 PM
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#1
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Human being with feelings
Join Date: Jul 2008
Location: Putnam County, NY, USA
Posts: 3,950
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How *not* to have inserted media resampled?
Hi-
I have a .wav file that I don't want resampled when I insert it into REAPER. It's several seconds shorter than if I open it in Cool Edit, etc., and the Item Properties indicate it's been resampled, which I gather is the reason for the missing seconds.
I should probably know this, but how do I tell REAPER to just leave it alone so it stays the original length? It's spoken word only, so I don't care that much about the quality, but I do need to be able to mark times precisely.
Thanks!
Susan
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10-21-2011, 03:13 PM
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#2
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Human being with feelings
Join Date: Dec 2010
Posts: 226
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Resampling shouldn't be changing the length.
To avoid resampling, set the project sample rate to the sample rate of the file.
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10-21-2011, 03:37 PM
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#3
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Human being with feelings
Join Date: Jul 2008
Location: Putnam County, NY, USA
Posts: 3,950
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I wonder what it is, then. It's about 9 seconds shorter than reported in other apps. Hmm...
Thanks for the tip.
-Susan
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10-21-2011, 06:04 PM
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#4
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Human being with feelings
Join Date: Sep 2008
Location: Here
Posts: 3,000
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Hi Susan.
You've probably already already checked this, but is there any chance that wav's playrate is being adjusted when you bring it into Reaper?
I often deal with items that are indicated as resampled in Properties, but that doesn't introduce timing or length issues.
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10-22-2011, 12:10 AM
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#5
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Human being with feelings
Join Date: Mar 2010
Posts: 4,713
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Are you importing via the Media Explorer with tempo match on?
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10-24-2011, 10:50 AM
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#6
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Human being with feelings
Join Date: Jul 2008
Location: Putnam County, NY, USA
Posts: 3,950
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Thanks for the additional responses, and sorry for the late reply.
I get the same results using Insert Media File, or dragging from Windows Explorer, or Media Explorer with tempo match off.
The file I'm working on currently is 4:10:29 long according to everything but REAPER, which says it's 4:10:14, so the difference is about 15 seconds, and I need it to be precise.
The Playrate is 1.0.
Anything else I can check?
Thanks-
-Susan
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10-24-2011, 11:30 AM
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#7
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Human being with feelings
Join Date: Sep 2008
Location: Location
Posts: 5,563
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What happens if you drag the right edge of the item to right?
What happens if you shift the item right and drag the left edge of the item left? Are the notches located at the same positions of the left ie. right edges, prior to dragging them?
What does other software, compared to Reaper, show as amount of samples? According to a sample-rate of 44100 Hz a mono-file of the length 4:10:29 should have 662,778,900 Samples (approx., as the length probably is not 4:10:29.00000 exactly) and 15 secs less would be about 661,500 samples less (mono).
Do you refer "Playrate" to the main playrate or to the playrate of the item?
Could you check the running time on another computer?
Is there some video involved?
-Data
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10-24-2011, 12:23 PM
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#8
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Administrator
Join Date: Mar 2007
Location: NY
Posts: 15,819
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Feel free to zip the file and either attach it or email to support at cockos if you like.
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10-24-2011, 12:33 PM
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#9
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Human being with feelings
Join Date: Jul 2008
Location: Putnam County, NY, USA
Posts: 3,950
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Quote:
Originally Posted by schwa
Feel free to zip the file and either attach it or email to support at cockos if you like.
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Done -- Thanks!
-Susan
I take it back, it exceeded max size when I tried to mail it. I'll send you a link once it's uploaded.
Last edited by Susan G; 10-24-2011 at 12:54 PM.
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10-24-2011, 02:03 PM
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#10
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Administrator
Join Date: Mar 2007
Location: NY
Posts: 15,819
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Thanks for sending the file. What we got was a .wmv, that gets imported as 4:10:29.220 long, using the DirectShow encoder. (However, the video won't play using that decoder.)
When you import the item and view source properties, what exactly does it say for length and decoder?
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10-24-2011, 02:23 PM
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#11
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Human being with feelings
Join Date: Jul 2008
Location: Putnam County, NY, USA
Posts: 3,950
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I don't think there's any video, just audio. I just renamed it .wmv because it wouldn't import with the .wma extension. I got a "Could not import 1/1 items." error.
The Source properties shows the correct length, 4:10:29, and the decoding format is blank. If I select the item in REAPER the length of the selection is 4:10:14.
I can't find out from the person who sent this to me if there is in fact any video with this file until tomorrow, but nothing I've tried shows any, and usually their files are audio-only. Is there a way to know for sure?
I don't know if that would effect the length of the item, though, would it? I've never worked with video.
Thanks-
-Susan
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10-24-2011, 03:18 PM
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#12
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Human being with feelings
Join Date: Sep 2008
Location: Location
Posts: 5,563
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Just two shots in the dark:
Do you by any chance have at "Project settings -> Audio Settings" "Align beats to samples" ticked? This could have some effect when working with such a long file, I reckon.
The other one, as you were talking of .wmv, could be a video synchronisation error, although you've got only audio which could be audio of a video file.
As Schwa wrote, the file-length is 4:10:29.220 seconds, which is 15029.220 seconds.
If the file was recorded in sync with 29.97 fps and is now played back with 30 fps (for whatever reason), it will play only 15014,19078 seconds, which is 4:10:14.191, so I wouldn't be too surprised, if there is some correlation.
-Data
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10-25-2011, 11:08 AM
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#13
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Human being with feelings
Join Date: Jul 2008
Location: Putnam County, NY, USA
Posts: 3,950
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Quote:
Originally Posted by Mr. Data
Just two shots in the dark:
Do you by any chance have at "Project settings -> Audio Settings" "Align beats to samples" ticked? This could have some effect when working with such a long file, I reckon.
The other one, as you were talking of .wmv, could be a video synchronisation error, although you've got only audio which could be audio of a video file.
As Schwa wrote, the file-length is 4:10:29.220 seconds, which is 15029.220 seconds.
If the file was recorded in sync with 29.97 fps and is now played back with 30 fps (for whatever reason), it will play only 15014,19078 seconds, which is 4:10:14.191, so I wouldn't be too surprised, if there is some correlation.
-Data
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Hi Mr. Data-
By George, I think you've got it! I brought another file in, saw the same sort of discrepancy (though smaller since it was a smaller file), and when I changed the fps rate to 30 the length was accurate to the second.
Thanks so much, I'll remember that!
-Susan
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10-25-2011, 12:05 PM
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#14
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Human being with feelings
Join Date: Sep 2008
Location: Location
Posts: 5,563
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Glad I could help!
-Data
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02-03-2019, 02:44 PM
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#15
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Human being with feelings
Join Date: Feb 2018
Posts: 1
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similar problem
Hi hope you can help, I have a similar problem to the one raised by the thread starter. I have a project with different time signatures and i'm trying to add a wav file from another source (zoom recorder)by inserting the media on a new track but it keeps shrinking the length of the recording. It only happens on the projects with different tempo changes. any ideas?
Thanks
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