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  1. I have been using YouTube-dl exclusively to download YouTube videos. I usually just go with "18" as I content with 360p. Well anyway once a week I go with best because I like to have the 720p version of a video so I either use "22" or "best". Today it didn't work for me, youtube-dl seemed to get the video but when you play the video it is all black and the sound is fine. However when I chose "18" the 360p video downloaded just perfect with picture and sound.

    Here is the video:

    https://youtu.be/fdp_sp4gJjU

    I used to use video download helper to download Youtube videos but it has been months since it was able to do so. I certainly can live without the 720p version, I was just curious as to why it didn't work.
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  2. for 720p (avc + aac): youtube-dl -f 136+140 https://www.youtube.com/watch?v=fdp_sp4gJjU
    Last edited by butterw; 16th Oct 2020 at 12:07.
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  3. butterw: Thank you that worked for me. However I am confused in the youtube-dl -F which lists all the video and audio parameters, when it shows the final line "22" it seems to show that it is a video and audio file both. This new way you showed me is similar to how to download from CBC where you find the audio and add it with the video and then it gets merged. I learned the CBC method from jagabo and always I put the numbers within quotations marks, I tried it with this video with and without and it worked both ways. Once again thank you and if someone knows about "22" it would seem it must be just audio now and before it seemed to be both. I know I just got the solution and I am grateful and content with that but I would like to understand it better.
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  4. You are correct, there was a typo in my command.
    -f 22 gives you the low bitrate youtube 720p h264. its also "best".
    -f 136+140 gives you normal bitrate 720p h264

    I don't know why it didn't work for you the first time round.
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  5. Specs of the file that will play with "audio + video numbers":

    General
    Complete name : C:\Users\\dwhelper\Current Shows\Even More Living Big In A Tiny House Videos\Living Big In A Tiny House Ep212 You’ve Never Seen A Tiny House Like This Before.mp4
    Format : MPEG-4
    Format profile : Base Media
    Codec ID : isom
    File size : 78.5 MiB
    Duration : 16mn 44s
    Overall bit rate : 656 Kbps
    Writing application : Lavf58.49.100

    Video
    ID : 1
    Format : AVC
    Format/Info : Advanced Video Codec
    Format profile : Main@L3.1
    Format settings, CABAC : Yes
    Format settings, ReFrames : 3 frames
    Codec ID : avc1
    Codec ID/Info : Advanced Video Coding
    Duration : 16mn 44s
    Bit rate : 522 Kbps
    Width : 1 280 pixels
    Height : 720 pixels
    Display aspect ratio : 16:9
    Frame rate mode : Constant
    Frame rate : 25.000 fps
    Color space : YUV
    Chroma subsampling : 4:2:0
    Bit depth : 8 bits
    Scan type : Progressive
    Bits/(Pixel*Frame) : 0.023
    Stream size : 62.5 MiB (80%)
    Title : ISO Media file produced by Google Inc.
    Writing library : x264 core 155 r2901 7d0ff22
    Color primaries : BT.709-5, BT.1361, IEC 61966-2-4, SMPTE RP177
    Transfer characteristics : BT.709-5, BT.1361
    Matrix coefficients : BT.709-5, BT.1361, IEC 61966-2-4 709, SMPTE RP177

    Audio
    ID : 2
    Format : AAC
    Format/Info : Advanced Audio Codec
    Format profile : LC
    Codec ID : 40
    Duration : 16mn 44s
    Bit rate mode : Constant
    Bit rate : 128 Kbps
    Channel(s) : 2 channels
    Channel positions : Front: L R
    Sampling rate : 44.1 KHz
    Compression mode : Lossy
    Delay relative to video : -512ms
    Stream size : 15.3 MiB (20%)
    Title : ISO Media file produced by Google Inc. Created on: 10/16/2020.
    Language : English


    Specs of the file that you only hear the audio downloaded with just "22" plus the url:

    General
    CompleteName : C:\Users\\Desktop\youtube-dl 2020 07 28\You’ve Never Seen A Tiny House Like This Before.mp4
    Format : MPEG-4
    Format_Profile : Base Media / Version 2
    CodecID : mp42
    FileSize/String : 78.5 MiB
    Duration/String : 16mn 44s
    OverallBitRate_Mode/String : Variable
    OverallBitRate/String : 656 Kbps
    Encoded_Date : UTC 2020-10-16 12:17:06
    Tagged_Date : UTC 2020-10-16 12:17:06
    gsst : 0
    gstd : 1004054

    Video
    ID/String : 1
    Format : AVC
    Format/Info : Advanced Video Codec
    Format_Profile : Main@L3.1
    Format_Settings_CABAC/String : Yes
    Format_Settings_RefFrames/String : 3 frames
    CodecID : avc1
    CodecID/Info : Advanced Video Coding
    Duration/String : 16mn 44s
    BitRate_Mode/String : Variable
    BitRate/String : 522 Kbps
    Width/String : 1 280 pixels
    Height/String : 720 pixels
    DisplayAspectRatio/String : 16:9
    FrameRate_Mode/String : Constant
    FrameRate/String : 25.000 fps
    ColorSpace : YUV
    ChromaSubsampling : 4:2:0
    BitDepth/String : 8 bits
    ScanType/String : Progressive
    Bits-(Pixel*Frame) : 0.023
    StreamSize/String : 62.5 MiB (80%)
    Title : ISO Media file produced by Google Inc. Created on: 10/16/2020.
    Encoded_Date : UTC 2020-10-16 12:17:06
    Tagged_Date : UTC 2020-10-16 12:17:06
    Color primaries : BT.709-5, BT.1361, IEC 61966-2-4, SMPTE RP177
    Transfer characteristics : BT.709-5, BT.1361
    Matrix coefficients : BT.709-5, BT.1361, IEC 61966-2-4 709, SMPTE RP177

    Audio
    ID/String : 2
    Format : AAC
    Format/Info : Advanced Audio Codec
    Format_Profile : LC
    CodecID : 40
    Duration/String : 16mn 44s
    BitRate_Mode/String : Variable
    BitRate/String : 128 Kbps
    Channel(s)/String : 2 channels
    ChannelPositions : Front: L R
    SamplingRate/String : 44.1 KHz
    Compression_Mode/String : Lossy
    Video_Delay/String : -40ms
    StreamSize/String : 15.3 MiB (20%)
    Title : ISO Media file produced by Google Inc. Created on: 10/16/2020.
    Language/String : English
    Encoded_Date : UTC 2020-10-16 12:17:06
    Tagged_Date : UTC 2020-10-16 12:17:06


    I thought perhaps it was because I have not upgraded by version of VLC but MPC-BC won't even play the audio and videoredo won't open the file. The "22" method or "best" method I usually use when I look at my archives would sometimes have the larger bitrates for 720p and other times the lower rates. I notice the word "string" quite often in the specs for the file that doesn't play correctly.
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  6. Corrupt files do happen.

    youtube-dl -F reports the info as made available:
    140 m4a audio only tiny 131k , m4a_dash container, mp4a.40.2@128k (44100Hz), 15.50MiB
    136 mp4 1280x720 720p 1380k , avc1.4d401f, 25fps, video only, 62.77MiB
    22 mp4 1280x720 720p 656k , avc1.64001F, 25fps, mp4a.40.2@192k (44100Hz) (best)

    However it often isn't accurate with regard to actual bitrates. Here: Video is 522kbps, audio is 128kbps.
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  7. butterw: Thank you for this additional information.
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