In this branch build the limit(s) are not made clear to the user via the GUI In Audacity 3.1.3 the restriction is made clear as we had the slider to indicate (and indeed restrict ) the allowable range: In contrast iTunes allows one to go down as low as 64kbps Stereo (or 32kbps mono):Īnd BTW also offers the choice of VBR (default) or CBRĪnd when one examines the file in iTunes it says that it's 64 kbps, 256 kbps - bot some number that's close as Audacity is doing, 2) Audacity 3.1.3 Which is the restriction the old slider had it goes no lower than 98 kbit/s for mono and 196 kbit/s for stereo, and no higher than 160 for mono and 320 for stereo. The AACs that I have were made in iTunes,Ĥ.1) I export fro m Audacity as 16-bit WAV filesĤ.2) I import those WAV files into iTunesĤ.3) I use iTunes to convert these WAVS to AAC files choosing 256kbpsĤ.4) I observe that iTunes converts these to 256kbps AAC files:įlagging as this is a GUI design/UX issue Note that MP3 export uses a picking list and not a slider for the kbps setting - so we have an inconsistency issue here This does not happen with MP3 export in Audacity - the precise value is used for the exported file This of course may change with an updated FFmpeg version. Note that I am using the "recommended" FFmpeg the 64-bit Win downloaded from Buanzo's site OS: tested on Windows 10 - but assume all.MP3 export and mic/speaker sliders)Īdditional information (please complete the following information): Observe the file is not 320kbps (mine was 465kbps YMMV)Ī) Audacity should export at the rate the user selectsī) The slider should allow for more precise setting (making it wider may help_Ĭ) the user should be able to set a precise kbps value by typing it in (cf.Examine the file (on W10 I used Windows Explorer).A) The slider setting value for AAC/MP4 export is not honored by Audacity.ī) Plus it is very hard (perhaps impossble) to set precise values - I found it impossible to set it to the "standard" rates of 192kbps and 256kbps
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