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  1. Member
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    Jul 2023
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    hi so i just started learning how to download drm videos thanks to the threads in this forum but the problem is, my video has no sound. i think the problem is because i can't convert the m4a file into mp4 ? i tried renaming it but it doesn't change the extension. thank you so much i could really use some help :')
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  2. Member piaohua's Avatar
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    May 2023
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    Maybe you didn't encapsulate the video and audio tracks,Maybe you only downloaded the video without the audio track.

    So take a screenshot of your download process and the downloaded file for all to see.
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  3. if you decrypted the video and have two separate audio and video track, you can use FFMPEG, the command will be:
    ffmpeg -i input_video.mp4 -i input_audio.mp3 -c:v copy -c:a aac -strict experimental output_combined.mp4
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  4. Member
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    Originally Posted by piaohua View Post
    Maybe you didn't encapsulate the video and audio tracks,Maybe you only downloaded the video without the audio track.

    So take a screenshot of your download process and the downloaded file for all to see.
    hii thank you soo much i figured it out hehe turns out i had to change the code from mp4 to m4a 😊
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  5. Member
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    Jul 2023
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    Philippines
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    Originally Posted by swappyison View Post
    if you decrypted the video and have two separate audio and video track, you can use FFMPEG, the command will be:
    ffmpeg -i input_video.mp4 -i input_audio.mp3 -c:v copy -c:a aac -strict experimental output_combined.mp4
    hii thank you soo much i used your command and changed the code from mp4 to m4a and it worked perfectly! hehe 😊
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