this post was submitted on 27 May 2024
18 points (100.0% liked)

No Stupid Questions

34964 readers
530 users here now

No such thing. Ask away!

!nostupidquestions is a community dedicated to being helpful and answering each others' questions on various topics.

The rules for posting and commenting, besides the rules defined here for lemmy.world, are as follows:

Rules (interactive)


Rule 1- All posts must be legitimate questions. All post titles must include a question.

All posts must be legitimate questions, and all post titles must include a question. Questions that are joke or trolling questions, memes, song lyrics as title, etc. are not allowed here. See Rule 6 for all exceptions.



Rule 2- Your question subject cannot be illegal or NSFW material.

Your question subject cannot be illegal or NSFW material. You will be warned first, banned second.



Rule 3- Do not seek mental, medical and professional help here.

Do not seek mental, medical and professional help here. Breaking this rule will not get you or your post removed, but it will put you at risk, and possibly in danger.



Rule 4- No self promotion or upvote-farming of any kind.

That's it.



Rule 5- No baiting or sealioning or promoting an agenda.

Questions which, instead of being of an innocuous nature, are specifically intended (based on reports and in the opinion of our crack moderation team) to bait users into ideological wars on charged political topics will be removed and the authors warned - or banned - depending on severity.



Rule 6- Regarding META posts and joke questions.

Provided it is about the community itself, you may post non-question posts using the [META] tag on your post title.

On fridays, you are allowed to post meme and troll questions, on the condition that it's in text format only, and conforms with our other rules. These posts MUST include the [NSQ Friday] tag in their title.

If you post a serious question on friday and are looking only for legitimate answers, then please include the [Serious] tag on your post. Irrelevant replies will then be removed by moderators.



Rule 7- You can't intentionally annoy, mock, or harass other members.

If you intentionally annoy, mock, harass, or discriminate against any individual member, you will be removed.

Likewise, if you are a member, sympathiser or a resemblant of a movement that is known to largely hate, mock, discriminate against, and/or want to take lives of a group of people, and you were provably vocal about your hate, then you will be banned on sight.



Rule 8- All comments should try to stay relevant to their parent content.



Rule 9- Reposts from other platforms are not allowed.

Let everyone have their own content.



Rule 10- Majority of bots aren't allowed to participate here.



Credits

Our breathtaking icon was bestowed upon us by @Cevilia!

The greatest banner of all time: by @TheOneWithTheHair!

founded 1 year ago
MODERATORS
 

When I use yt-dlp -x to grab audio only, the resulting opus files are often troublesome to play back in strawberry, stopping unexpectedly. They also sometimes don't index at all, and metadata including embedded cover art don't seem to stick.

So, since most of my library is already vorbis in OGG files, I have been converting the files, but my inexperience with audio codecs and YouTube audio formats in general is shining through. I use 320kbps, but the resulting files are typically about twice the size afterward. I'm thinking I'm probably wasting space for no reason.

What is a comparable bitrate for the OGG files for a given bitrate opus source file?

EDIT: Here is my conversion script find ./ -iname "*.opus" | parallel --load 0.9 ffmpeg -i {} -c:a libvorbis -b:a 320k "{.}.ogg"

EDIT2: Here is the updated version with a suggestion from @[email protected] find ./ -iname "*.opus" | parallel --load 0.9 ffmpeg -i {} -c:a libvorbis -q:a 6 "{.}.ogg" which results in only slightly larger files (5.4MB > 7.2MB).

you are viewing a single comment's thread
view the rest of the comments
[–] [email protected] 1 points 3 months ago* (last edited 3 months ago)

Thank you for the comment. I have libopus0 1.3.1-3 installed. While I can play back opus files in strawberry, there are many missing integrations, like metadata cover art, and also audio level normalization seems to skip my opus files completely, as evidenced by viewing scanned files in the playlist with the "integrated loudness" or "loudness range" columns visible, or in the context tab if configured to display loudness parameters. Until I can get that sorted, vorbis is my go to.

Thanks also for the tip about variable bitrate. After reading some more about both codecs, I realized my constant br isn't doing me any favors, and both excel when it comes to vbr. I'll also dial back to the 6 or 7 vbr level and go from there. Honestly, my process to develop the conversion that "worked" for me was to take several 320k mp3s from way back in my collection and do a CBR conversion to vorbis that resulted in approximately the same file size, or slightly smaller. Not a very scientific benchmark. I just stuck with that when converting from opus.

Thanks again!

PS I added my current conversion string to my OP. I'll share my results back here after I trial the new one.

ETA: I think I recall now that some conversions using variable bitrate would fail because the source files didn't match up to the bit depth or some mathematical multiple of the source bitrate or some such thing that confused me, and was fixed by switching to a constant bitrate. Course, I could have it backwards. I do that a lot these days...)