The audio plays in normal speed, while the video time is double as what it should be. However, t here is also slow motion problem when playing.

VLC media player is said to support AVCHD footage on Mac, and you can choose to play the files. Hot Search: MTS to Smart TV | MTS to MP4 | MTS to Sony Vegas Click convert button to start converting AVCHD to QuickTime MOV file on Mac. Edit function is very easy to use, you can trim, crop, add watermark or adjust effect before converting AVCHD videos to QuickTime MOV on Mac.

You can click “settings” to adjust the output parameters, such as resolution and bitrate. From the Window menu, select “Show A/V controls” Adjust the slider for Playback speed in the bottom right. To Adjust QuickTime Playback Speed, Open you movie in QuickTime Player. Like Windows Media player, it also allows you to adjust the speed on videos you’ve downloaded to your PC. For each click of the fast forward button, you’ll see the speed start to increase in 0.1 increments from 1.0x → 1.1x → 1.2x → etc. While watching a video in QuickTime: Hold the option key. The playback speed will now persist for any subsequent media file that you will play. Once entered, click on the Save button in the bottom right to finalize your changes. Click Show All button in the bottom left corner of the preferences window, click on Input/Codecs item in the left sidebar, and set the desired value for Playback speed. You can use VLC media player or QuickTime to speed up a song during the current listening session, or you can use Audacity to speed up permanently a song. You won't get any issues when adding your AVCHD MTS files to Mac

Follow the guide you can easily convert AVCHD mts files to QuickTime MOV for smoothly play AVCHD videos on Mac with A/V syncing.

Quick time player for windows 10