1.Original source (Youtube video.capture with IDM)
2.Wondershare Video Converter Ultimate
3.Opus MP3 Converter
As you can see none of the converter can match the graph as the original one.In Xilisoft Video Converter Ultimate shows me it has 226kbps bitrate.But xilisoft can't convert any opus file.
Now my question is there any converter can convert opus to mp3 without quality lose (match spectrum)?
Note-1st i try 256kbps but they show worse spectrum.
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I am no expert but if I were you, I would avoid ReplayGain and be sure to use strictly-constant bitrate only.
Also, I would drop those fancy-GUIed payware. I would decode Opus audio with ffmpeg and re-encode it with lame.exe. Fortunately I (still) hear through my ears, not through my eyes
Try something like:
@ffmpeg -y -i %1 -c:a libmp3lame -q:a 0 "%~n1.mp3"
Copy provided earlier command to empty script, save such scritp with name you like but script must have extension cmd or bat.
To make all easier for you create script where ffmpeg.exe is located (same folder).
You can use script by simple drag & drop (select mp3 you wish to convert and move on script) - everything should work quite smoothly.
This is probably easiest way to use ffmpeg.
3-Opus MP3 Converter (320kbps)
4-Opus MP3 Converter (256kbps)
Why mediainfo can't show proper info when the audio was embedded on video?
Is there any good mediainfo out there that i might consider?
And why this audio shows only 128kbps & 3.10mb size (after extract from video)?
where it has actually bitrate around 256kbps.
Sorry for too much question.But i am really confused.
You have to demux the stream first. Drop the MKV file into mkvcleaver and select the audio. With that audio Foobar can play it and convert it to whatever you want. A codec pack for foobar2000 is out is you want to use lame etc, or you can add the executables manually. Attched is a 48khz opus and outputted lame MP3 at V0, last one is Lame V0 at 44.khz (CD sample rate). Just renaming a .mkv to .opus won't work as any program is expect just audio with that extension.
[Attachment 44865 - Click to enlarge]
[Attachment 44866 - Click to enlarge]
[Attachment 44867 - Click to enlarge]
[Attachment 44868 - Click to enlarge]
Last edited by dannyboy48888; 8th Mar 2018 at 12:15. Reason: Added Opus and lame v0if all else fails read the manual
It seems foobar2000 is not smart enough wrt filename extensions.
Thanx everyone for assist me.
Only Opus MP3 Converter result is close to the original file.
So i guess i should stick with it.