Old 06-28-2017, 05:44 AM   #1
gdstuart
Human being with feelings
 
Join Date: Jun 2017
Posts: 6
Default Remove Silence from Video

I'm new to Reaper and am overwhelmed by the features and functionality. I only want to use it for one specific task, and that's removing long periods of silence from video recordings of online classes that I record with Camtasia. I can do this manually with Cam Studio but that's very labor-intensive.

The forum articles I have read here assume that the reader has basic familiarity with Reaper, which I don't have. Can anyone point me to a very elementary step-by-step way to use Dynamic Split or some other Reaper function(s) to open an avi video file, find all the silences, cut them out, and save the result as an mp4 file?

Thanks so much, this is an amazing program but overkill for most of what I do. However, to bend a phrase, silence [removal] is golden.
gdstuart is offline   Reply With Quote
Old 06-28-2017, 06:59 AM   #2
Outboarder
Human being with feelings
 
Outboarder's Avatar
 
Join Date: Feb 2014
Posts: 735
Default

Hi

check this out:

http://forum.cockos.com/showpost.php...38&postcount=4
__________________
Outboarder Scripts
Outboarder is offline   Reply With Quote
Old 06-28-2017, 07:21 AM   #3
Outboarder
Human being with feelings
 
Outboarder's Avatar
 
Join Date: Feb 2014
Posts: 735
Default

You can just use Auto trim

search (Auto trim) in action list
double click on
Item: Auto trim/split items (remove silence)...

Then Read the REAPER manual
page 151 (7.37 Auto Trim/Split Items)

Also it is doable with dynamic split
Read
page 149 (7.36 Dynamic Splitting - Remove Silent Passages)
page 174 (9.14 Dynamic Splitting)
__________________
Outboarder Scripts
Outboarder is offline   Reply With Quote
Old 06-28-2017, 09:04 AM   #4
gdstuart
Human being with feelings
 
Join Date: Jun 2017
Posts: 6
Default

Quote:
Originally Posted by Outboarder View Post
You can just use Auto trim

search (Auto trim) in action list
double click on
Item: Auto trim/split items (remove silence)...

Then Read the REAPER manual
page 151 (7.37 Auto Trim/Split Items)

Also it is doable with dynamic split
Read
page 149 (7.36 Dynamic Splitting - Remove Silent Passages)
page 174 (9.14 Dynamic Splitting)
I tried this yesterday, but double-clicking on the "Auto trim/split items (remove silence)" doesn't do anything, so I can't get that dialog to display.

Right-click doesn't give me an option to Run either, so how do I get to the next step?
Attached Images
File Type: jpg 2017-06-28_12-03-43.jpg (47.1 KB, 148 views)
gdstuart is offline   Reply With Quote
Old 06-28-2017, 05:21 PM   #5
Outboarder
Human being with feelings
 
Outboarder's Avatar
 
Join Date: Feb 2014
Posts: 735
Default

You have to select a media item then double click (or run) the action.
__________________
Outboarder Scripts

Last edited by Outboarder; 06-28-2017 at 06:33 PM.
Outboarder is offline   Reply With Quote
Old 06-28-2017, 06:47 PM   #6
gdstuart
Human being with feelings
 
Join Date: Jun 2017
Posts: 6
Default

Quote:
Originally Posted by Outboarder View Post
You have to select a media item then double click (or run) the action.
OK, I started over with a New Project, then imported my AVI file. Now the menu appears when I double-click on Item: Auto trim/split items (remove silence)...

I left all the settings alone and hit Run. After about a minute of displaying "Processing...", the box closed. I hit the Play button but get nothing but silence. Most of the settings in the PDF don't mean anything to me because it's not a lingo I'm familiar with. So how should I set these parameters to successfully eliminate the silence?

I manually scrolled right until I saw a waveform, and played it. Although I saw the meters jumping, I did not hear anything. So there's another issue: how do I hear the audio?

Last edited by gdstuart; 06-28-2017 at 07:02 PM. Reason: results changed.
gdstuart is offline   Reply With Quote
Old 06-28-2017, 10:39 PM   #7
Outboarder
Human being with feelings
 
Outboarder's Avatar
 
Join Date: Feb 2014
Posts: 735
Default

Insert Oscilloscope Meter-(Cockos) Fx
capture highest amplitude of quiet parts in Oscilloscope
Drag mouse on hold to freeze Oscilloscope
increase the range until you see the quiet parts
then left mouse drag the wave form in Oscilloscope to find the highest spot
read the value for example -21db
run Auto trim

set the threshold to that value (in this case -21db)
set ignore silence 2000 ms (which is 2 second)

it means cut everything below -21db if the duration of quiet parts is longer than 2 second.

__________________
Outboarder Scripts

Last edited by Outboarder; 06-29-2017 at 07:21 AM.
Outboarder is offline   Reply With Quote
Old 06-29-2017, 07:24 AM   #8
gdstuart
Human being with feelings
 
Join Date: Jun 2017
Posts: 6
Default

Quote:
Originally Posted by Outboarder View Post
Insert Oscilloscope Meter-(Cockos) Fx
I can't find that on any menus. How do I insert it?

The rest of your video looks clear and I hope to try it out. Thanks.
gdstuart is offline   Reply With Quote
Old 06-29-2017, 07:33 AM   #9
Outboarder
Human being with feelings
 
Outboarder's Avatar
 
Join Date: Feb 2014
Posts: 735
Default

Click on track FX button
select Oscilloscope Meter-(Cockos) from Cockos plugins.

__________________
Outboarder Scripts
Outboarder is offline   Reply With Quote
Old 06-29-2017, 07:54 AM   #10
gdstuart
Human being with feelings
 
Join Date: Jun 2017
Posts: 6
Default

Quote:
Originally Posted by Outboarder View Post
Click on track FX button
select Oscilloscope Meter-(Cockos) from Cockos plugins.

That did it, thanks very much!
gdstuart is offline   Reply With Quote
Old 06-29-2017, 08:03 AM   #11
Outboarder
Human being with feelings
 
Outboarder's Avatar
 
Join Date: Feb 2014
Posts: 735
Default

You are welcome

Watch these tutorial videos In your free time
http://www.reaper.fm/videos.php

If you stuck, PM me, I'll help you through.
__________________
Outboarder Scripts
Outboarder is offline   Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -7. The time now is 06:03 AM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2019, vBulletin Solutions Inc.