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Replace Audio in Video

By Jonathan Grossman @Jonathan_Grossman
    2026-01-26 17:18:54.351Z

    Any one else getting an issue with this? I updated the app but getting an error that says "There was an error converting your video: Error: Cannot read property 'split' of undefined.

    The source movie is a .mov file - codec Linear PCM, H.264
    The audio is a .wav 24 bit 48k

    I updated the ffmpeg as instructed

    Soundflow as all permissions granted

    I'm on a Mac Studio M2 Max 2023
    64 GB Ram
    OS 14.8.2

    Reply
    • 14 replies
    1. Kitch Membery @Kitch2026-01-26 20:41:19.580Z

      Hi @Jonathan_Grossman

      I'm moving this to the "Replace Audio in Video File" package section of the forum and am tagging @Jesper_Ankarfeldt, the owner of the package to see if he has a solution. :-)

      Reply
      1. In reply toJonathan_Grossman⬆:
        Kitch Membery @Kitch2026-01-26 20:43:20.335Z

        Hi @Jonathan_Grossman

        It may also be beneficial to log a bug report for this, so we have your log files to troubleshoot the issue further.

        Reply
        1. In reply toJonathan_Grossman⬆:
          Jesper Ankarfeldt @JesperA2026-01-26 20:43:57.209Z

          Hi Jonathan.

          If I have a sample of a video that does the error, it's probably the easiest way for me to investigate it. Send it to saxmand@gmail.com

          Reply1 Like
          1. J
            In reply toJonathan_Grossman⬆:
            Jonathan Grossman @Jonathan_Grossman
              2026-01-27 02:25:56.814Z

              Sure thing. Will send a bit later. Btw it doesn't work with any of my videos any more.

              Reply
              1. JJonathan Grossman @Jonathan_Grossman
                  2026-01-28 20:41:48.837Z

                  @JesperA did you get the files I sent?

                  Reply
                  1. Jesper Ankarfeldt @JesperA2026-01-29 17:44:32.256Z

                    Hey. Only had time today, but the link expired.

                    I wonder if it's an installation issue.
                    I just updated SF here, and tried with 2 different FFMPEG versions, and it worked.

                    I'll download your video as soon as you send it now, so we can check if the issue could be there :) Thanks

                    Reply
                • J
                  In reply toJonathan_Grossman⬆:
                  Jonathan Grossman @Jonathan_Grossman
                    2026-01-29 21:56:18.330Z

                    I'll try reinstalling. here's the link again. thanks

                    https://www.dropbox.com/t/ODegRddg1gqEloor

                    Reply
                    1. JJonathan Grossman @Jonathan_Grossman
                        2026-01-29 21:58:54.467Z

                        btw where should the FFMPEG file be put?

                        Reply
                        1. Jesper Ankarfeldt @JesperA2026-01-30 13:57:47.942Z

                          Just tested, no problems here.

                          I'm also on MacOS 14.5 so that shouldn't be the problem either.

                          The ffmpeg should be in "~/Library/Application Support/SoundFlow/v2/vendor/ffmpeg/ffmpeg".

                          You can find the location by opening finder and press cmd+shift+g, and paste in this path, to go to that folder. Maybe try and delete ffmpeg and it will direct you to install it next time you try to run a conversion in the app.

                          Reply
                          1. JJonathan Grossman @Jonathan_Grossman
                              2026-01-30 19:07:44.780Z

                              Still no luck It just hangs when trying to copy the file.

                              Reply
                              1. Jesper Ankarfeldt @JesperA2026-01-30 19:09:25.216Z

                                I guess it doesn't have writing permission maybe, though that sounds weird.

                                Could you try and copy it in to the path I shared above

                                Reply
                                1. JJonathan Grossman @Jonathan_Grossman
                                    2026-01-30 19:44:48.462Z

                                    thats what I did and no luck.

                                    I did user terminal to copy it to usr/local/bin

                                    Maybe there's a conflict? How do I uninstall that and start fresh?

                                    Reply
                          2. J
                            In reply toJonathan_Grossman⬆:
                            Jonathan Grossman @Jonathan_Grossman
                              2026-01-30 20:46:08.947Z

                              Finally got it working. Deleted the manually installed version. Then control-clicked on the ffmpeg file in the location you showed me and gave it permissions to open. That worked. Somehow it never showed up in the privacy area of settings. Thanks for working with me on this. Appreciate your time. Great app too! Such a time saver

                              Reply
                              1. Jesper Ankarfeldt @JesperA2026-01-30 21:33:34.703Z

                                Ah great. Happy that you figured it out.

                                Good info to know if someone runs in to the same thing!

                                Reply1 Like
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