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  1. Member
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    I am recording audio to a GoPro Hero 4 Silver via my Midas mixing console. Audio sounds great on all devices except any mobile device. IE: Iphone 5S. I even uploaded the videos to you tube. Again they look and sound great on all devices, except the Iphone. Please help!
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  2. I'm a MEGA Super Moderator Baldrick's Avatar
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    Can you explain how it sounds?
    Any sample?
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  3. Member
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    Sounds like the audio is underwater. Only on iphone, android, samsung. Has something to do with stereo input to the gopro.
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  4. Banned
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    What audio codec did you use, what bitrate and what sampling frequency?
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  5. Member
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    I tired multiple options, including seperating the audio from the video, importing into Pro tools, then bouncing to disk as an mp3. Then import into Imovie as I have been doing previous to this camera. Exporting from Imovie into a Mp4 file. Then on to You Tube ect. Just like I always do. Nothing has worked except recording mono into the gopro. Then all the other media players have only one side.
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  6. Member hech54's Avatar
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    The GoPro Hero 4 Silver records at 48kHz sampling rate, AAC compression, mono.
    Stereo is only available (input) via the 3.5mm adapter.
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  7. Member
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    I guess you missed the original post. I am sending an aux mix from the midas console into the gopro via the stereo input cable. I belive Gopro as overlooked the stereo issue when playing back on a mobile device that has a mono speaker.
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  8. Member hech54's Avatar
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    Then we both agree that the problem probably has something to do with "mono vs. stereo" somehow. I don't have a GoPro so I cannot attempt to replicate the problem/scenario. Only one person involved in this thread has access to a GoPro Hero 4 Silver's files. I do know however that going from an audio file that is 48kHz straight to an MP3 file for listening produces some funky sounding results.....AND there is a proper way and a wrong way to go from 48 to 44.1 - I've just forgotten the exact terminology(IE Playback Rate or Resample in GoldWave).
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  9. Member
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    Cool. Thank you. That last bit about 48 to 44.1 has given me an idea. I do have Pro Tools 11. Do you believe that the bit rate is 48KHz in the stereo mode? Or is the bitrate the same when recording in mono? I have to check, but I thought I changed the bit rate in protools when I converted the audio file to mp3. I'll check on that again.
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  10. Originally Posted by hech54 View Post
    Then we both agree that the problem probably has something to do with "mono vs. stereo" somehow. I don't have a GoPro so I cannot attempt to replicate the problem/scenario. Only one person involved in this thread has access to a GoPro Hero 4 Silver's files. I do know however that going from an audio file that is 48kHz straight to an MP3 file for listening produces some funky sounding results.....AND there is a proper way and a wrong way to go from 48 to 44.1 - I've just forgotten the exact terminology(IE Playback Rate or Resample in GoldWave).
    I agree with u. In fact I think Gopro not very good with sounds
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