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  • buglawton
    buglawton Posts: 9,246 Forumite
    Part of the Furniture 1,000 Posts Name Dropper
    I'm aware of the ripper sites but they all have a length limit that don't suit video podcasts. Because it's all speech the wife just wants to let a YouTube channel run with the screen off. There was a workaround of putting a browser into Desktop user agent mode then playing YouTube on that. But Apple and Google seem to be cooperating in blocking off these hacks, they no longer work.

    YouTube is missing a trick, if you just want to listen, they could insert audio ads instead of video ones, a la Spotify model.
  • missile
    missile Posts: 11,771 Forumite
    Part of the Furniture 10,000 Posts Name Dropper Photogenic
    slinga wrote: »
    This is all above my paygrade but I downloaded about 1000 plus songs from youtube to a flash drive using:
    https://ytmp3.cc/


    I play them in my car.


    Works for me.
    dunno about the legality, mind.

    Link doesn't work for me? :(
    "A nation's greatness is measured by how it treats its weakest members." ~ Mahatma Gandhi
    Ride hard or stay home :iloveyou:
  • esuhl
    esuhl Posts: 9,409 Forumite
    Part of the Furniture 1,000 Posts Name Dropper
    RumRat wrote: »
    Unless you have the equipment and pretend to be an audiophile and have recently had your ears dewaxed, I doubt you would notice any difference. For the vast majority the music is good enough.


    No way! There is a CLEAR difference in audio quality between the various uploads of a particular track (at identical quality settings). A lot of the music tracks sounds quite different to the CD version... possibly due to the track being transcoded multiple times?
  • that
    that Posts: 1,532 Forumite
    you could use Audacity, and record the PCs output, a bit time consuming though than an extraction tool
  • esuhl
    esuhl Posts: 9,409 Forumite
    Part of the Furniture 1,000 Posts Name Dropper
    that wrote: »
    you could use Audacity, and record the PCs output, a bit time consuming though than an extraction tool


    And you'd end up with a huge audio file, unless you compressed it again, which would reduce audio quality much further.
  • that
    that Posts: 1,532 Forumite
    esuhl wrote: »
    And you'd end up with a huge audio file, unless you compressed it again, which would reduce audio quality much further.
    it could be saved as OGG, or lose a bit with mp3. The op seems to be more worried about size.

    To be honest I think more like RumRat, that unless you play the two side by side or in quick succession, you wont notice above 160k, or perhaps it is just me?
  • esuhl
    esuhl Posts: 9,409 Forumite
    Part of the Furniture 1,000 Posts Name Dropper
    that wrote: »
    it could be saved as OGG, or lose a bit with mp3. The op seems to be more worried about size.

    To be honest I think more like RumRat, that unless you play the two side by side or in quick succession, you wont notice above 160k, or perhaps it is just me?

    Ah, I think you're misunderstanding... There are two issues here. Sure, compressed audio at 160kbps won't be "CD quality". I can usually tell the difference (especially with the god-awful MP3 format), but many people wouldn't. Fair enough.

    The problem comes when you take an already compressed audio file, play it back, and then re-compress it, possibly with a different codec. Ripping a CD, importing the audio to create a video, uploading to YouTube, then recording from YouTube can all involve transcoding from one lossy format to another -- a poor photocopy of a photocopy, etc...
  • esuhl
    esuhl Posts: 9,409 Forumite
    Part of the Furniture 1,000 Posts Name Dropper
    edited 1 December 2019 at 12:06AM
    The command-line tool ffmpeg is probably the best way to convert between audio/video file formats, codecs, etc.: https://www.ffmpeg.org/

    This command will create a copy of an MP4 video file with the video track removed:
    ffmpeg -i video.mp4 -map 0 -map -0:v -c copy audio.m4a
    
    Alternatively, it might be better to extract the audio from the MP4 and insert it into a new "clean" container. Since ffmpeg is highly standards-compliant, this may well fix any problems with the existing stream/container and improve compatibility:
    ffmpeg -i video.mp4 -vn -acodec copy temp.aac
    ffmpeg -i temp.aac -c copy -bsf:a aac_adtstoasc audio.m4a
    del temp.aac
    
    video.mp4 = The downloaded video
    temp.aac = A temporary file containing the audio stream
    audio.m4a = The newly created audio file


    In either case, the processing is lossless. So the audio will be exactly the same quality as the original, but without the video, so in a much smaller file.

    Hope that helps someone...
  • RumRat
    RumRat Posts: 5,008 Forumite
    Part of the Furniture 1,000 Posts Name Dropper Photogenic
    edited 1 December 2019 at 11:17AM
    esuhl wrote: »
    No way! There is a CLEAR difference in audio quality between the various uploads of a particular track (at identical quality settings). A lot of the music tracks sounds quite different to the CD version... possibly due to the track being transcoded multiple times?

    Well, took you a year to decide your rebuttal....;)
    You may hear that there is a difference and I'm willing to accept that you may be able to discern it in a blind test.
    But, I stick to the belief that the vast majority of people listening to music in their homes wouldn't be able to tell and to be frank, wouldn't care.
    Drinking Rum before 10am makes you
    A PIRATE
    Not an Alcoholic...!
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