Use Opus. Opus delievers better audio quality than AAC/Vorbis On Tue, 24 Oct, 2023, 11:01 pm Ferdi Scholten, <fe...@sttc-nlp.nl> wrote:
> Hi, > >> > >> Vorbis audio is officially not supported by the mp4 container > >> specifications. > >> Matroska does not have this problem as it supports almost all known > >> codecs. > >> > >> These are the audio codecs that are in the mp4 specifications: AAC, > >> ALS, SLS, MP3, MP2, MP1, CELP, HVXC, TTSI, SAOL, Apple Lossless, > >> FLAC, Opus > >> Others can be muxed in, but most players will not support playing those. > > > > Much thanks for this valuable information. > > > > Because I want to add several audio streams to a MP4 video, I'm > > looking for an audio codec, with optimal compression. As AAC in my > > context needs 128 kb/s, but Vorbis only 90 kb/s, I thought, it was a > > good choice. > > > > Which audio codec you would suggest, which has a wide range of > > compatibility, except AAC? > > > > Maybe Opus? > > > > For the video I want to use HEVC. > > > > Is there a possibility to encode AAC_HE with FFmpeg and would it make > > sense? > -Ulf > > For good compression and good quality you should use Opus, it delivers > (much) better audio quality than any variant of AAC let alone Vorbis for > the same bitrate. when you don't specify a bitrate, libopus uses 95 kb/s > as default for stereo audio. > -Ferdi > _______________________________________________ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". > _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
