On 10/1/14, Philipp Überbacher <murks@xxxxxxxxxxxxx> wrote: > Hi Egor, Hi Philipp and all the folks that have provided input on the subject. It is all very informative. > once upon a time I read a lot about audio codecs on > http://www.hydrogenaud.io/forums/. Note that this is a codec focused > forum, not a free software focused one, but people like the lame and > ogg developers do (or used to) read and write at those forums AFAIK. I > also remember that there was some windows tool for the purpose you > describe but I can't recall the name. Anyway, AFAIR it used the > techniques already described, spectral analysis to detect lowpass > filtering. Great, it will be a good exercise for me, and I will try out this method. > There are some artifacts of the mp3 codec that allow for rather > reliable detection, pre-echos come to mind. You are likely able to > train yourself to listen for these artifacts, but you may not be able > to un-train yourself ;) Haha, ok, this is usefull, too! You guys are great! _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user