On 1/29/16, Timothy Gu <timothyg...@gmail.com> wrote: > On Mon, Jan 25, 2016 at 01:16:56PM +0100, Michael Niedermayer wrote: >> On Sun, Jan 24, 2016 at 09:50:01AM -0800, Timothy Gu wrote: >> > It's inferior to fdk-aac and has an arguably more problematic >> > license. > >> a reference to the comparision finding its inferriority should be >> added to the commit message > > A HydrogenAudio user reported: > > It has however one huge advantage: much better quality at low bitrates > than faac and libaacplus. > > https://hydrogenaud.io/index.php?PHPSESSID=ckiq394pdglka0kj2fin6ij8t7&topic=95989.msg804633#msg804633 > > I myself have made a few spectrograms for a comparison of the two encoders > (thanks Paul for showspectrumpic!). The source is a random 192kHz FLAC I > found > online. The orig-48k.png is the downsampled version of that file, since all > of > the AAC outputs are downsampled to 48k as well. > > https://github.com/TimothyGu/picture-storage/issues/1 > > To my untrained eyes, the FDK output is a lot closer to the original.
You could really pick any lossless flac file for more useful comparison, with mandatory log scaler. With the random flac file I picked, I can clearly notice black gaps, frequencies completely gone with native aac encoder. I havent tested other encoders though. _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
