Hi Tsjanith: There is a significant difference between your two YouTube posts. The difference reminds me of the days of creating content for interactive press kits that had to fit on a HD Floppy Disk with a "whopping" one megabyte to work with (at the time, that was large compared to SD Floppy Disk with just 800KB). Then there was cramming video and audio onto CD-ROMS. The key back then was high quality audio for source, edit and edited master and then IMA audio compression that maintained the full range of audio while dramatically reducing the file size and bandwidth requirements. (I have to add, this was back when Windows98 was brand new and you had to do this on a Mac because you literally could not produce multimedia content on a Windows machine because neither the necessary hardware nor software was readily available for Windows based platforms at the time. Things certainly have changed in that respect.) You clearly care about audio (and rightly so). Have you heard the phrase "garbage in, garbage out"? The tricky thing today is that you can have a source file that sounds great, but is meant for delivery (that is, the end of a workflow) and will not hold up to being used as source at the start of a workflow (that is, you'll hear compression generation loss). Many of the formats that you listed as possible source are great for delivery, but to be avoided as source. I recommend that you establish a workflow that uses only WAV, AIF, AVI or MOV with audio that is uncomprsssed at 44.1KHz and 16-bit or better. Then, use those settings for editing as well as generating an edited master (note: Premiere Pro allows you to skip creating an edited master and encode right to your delivery setting). You can encode your files for delivery (let's say YouTube, Vimeo, Facebook, SoundCloud, Instagram, etc.) and you should be happy with the results. This isn't Premiere Pro specific. You'd want to follow these guidelines for Audition, After Effects, Prelude, Avid Media Composer, ProTools, Apple Logic, Sony Acid, SoundForge (if that's still around), Final Cut Pro X, Final Cut Pro Classic, SoundTrack Pro, so forth and so on. -Warren
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