This mode doesn't create larger files as data is only copied from the source file into the output file (perfectly preserving the original quality).
Both VirtualDub and AVIDemux can be set to edit video losslessly (= preserving the original quality of video and audio editing mode labelled "Direct Stream copy" in VirtualDub). Depending on what I wanna accomplish, I'm using Reaper, VirtualDub or AVIDemux to edit videos. Sometimes, it's better to use other appications than Reaper to get a video editing job done, especially if you wanna preserve the original video and audio quality without ending up with huge output files. I think I havent fully understood what your issue is :) Could you please elaborate on this? Choosing Wave for audio will also preserve quality but will inevitably add considerably to a bigger file size. So you chose a lossles video codec during rendering in Reaper? This will obviously result in a fairly large video file whose quality should be more or less identical to that of the source video. So my question is : Is there a way to preserve both audio and video in one file ? And if possible to keep the weight of the file to a reasonable size? The problem is that when I put the 150MB MP4 video file in Reaper in order to get a video in witch audio is preserved and untouched, Reaper renders it as a huge 850MB AVI file, and I'm not even sure I'm not loosing some video quality. Reaper doesn't render MP4 files, and anyway it doesn't seem that an MP4 file can contain a pcm audio track. Vegas renders in the MP4 format with a compressed "aac" audio track. Video : ffv1(lossless) / Bit rate : 7 131 kb/s 1280*720Īudio : 24bit pcm / Bit rate : 2 304 kb/sīut of course I didn't create the video with Reaper but with Vegas. I managed to do it by using those settings on a 3 minutes song : Since my copy of Sony Vegas does a bad job with Audio by recklessly compressing it if not corrupting it, I'm currently working on rendering the videos of my songs with Reaper.
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