FFmpeg: spoken audio from ogg vorbis to aac VBR: modes 1-5 have zero effect
ffprobe about my input: Duration: 00:02:50.54, start: 0.000000, bitrate: 40 kb/s Stream #0:0: Audio: vorbis, 22050 Hz, mono, fltp, 35 kb/s Filesize: 834K I use this command to convert this vorbis to the aac: ffmpeg -i input.ogg -vbr 1 output.aac I am not an audio expert and hear no difference with original aac, ok, quality … Read more