On April 15, 2023 9:07:41 AM HST, "D.T." <ohnonot-github@xxxxxxxxx> wrote: > Hello, > I have a server with limited storage that I want to run a private radio > station from, a randomized mix of my complete music collection. > Locally I have about 80G of music in all sorts of formats, codecs and > bitrates. > This is way too large for the server's storage, I can use half of that > at best. Hmm, maybe increase the server's storage? Drives are pretty cheap. My server has 5 terabytes in it and another 7 TB attached via USB3. For your collection, a 500GB SSD at $39 (Amazon) would be worth it to me. > Additionally I don't want the stream to have too much bandwidth so it > will work even over flaky (mobile) network connections. > > My thought is to transcode all of it to the same reduced format, then > upload. > That way the music server could just push it out without transcoding > again (and I could still listen to separate tracks remotely). > > The Big Question: > Which format should I choose? > > I found these 2 articles that seem to have an answer: > https://wiki.hydrogenaud.io/index.php?title=Transcoding#Lossy-to-lossy_transcoding > https://trac.ffmpeg.org/wiki/Encode/HighQualityAudio > Combined, it sounds to me like I really should use either FDK AAC or > Opus* at less than 100kbps (I listen to 64k AAC music streams that are > OK imo). > > What do you think? > Is this even the right approach to solve the problem? > > TIA! > > FWIW, here's a breakdown of my music's codecs/bitrates: > > vorbis: 97 files (974M), average bitrate 332kbps (from 67 to 452) > wmav2: 10 files (31M), average bitrate 131kbps (from 129 to 133) > flac: 1216 files (45505M), average bitrate 1191kbps (from 330 to 5170) > opus: 173 files (1024M), average bitrate 129kbps (from 76 to 177) > mp3: 1975 files (32823M), average bitrate 197kbps (from 96 to 420) > aac: 308 files (1592M), average bitrate 152kbps (from 64 to 334) > alac: 1 files (621M), average bitrate 768kbps (from 768 to 768) > > > * personally, I always had the feeling that opus (used a lot by > youtube) isn't so good with noisy, grungy, fuzzy, guitarry music I use mostly Ogg at highest quality, with flac (lossless), mp3/mp4. --- David W. Jones gnome@xxxxxxxxxxxxx exploring the landscape of god http://dancingtreefrog.com Sent from my Android device with F/LOSS K-9 Mail. _______________________________________________ Linux-audio-user mailing list -- linux-audio-user@xxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to linux-audio-user-leave@xxxxxxxxxxxxxxxxxxxx
