From time to time, i find people with Sony DCR series to ask how to play or edit Sony DCR Video on Mac OS X. Since it's a common problem for mac users to play camera videos with their computers, so i think this solution will give those who want to do more with camera videos a little befinite.
Sony HDR series cams are Standard Definition Models .Most popular models are as the following.

1. How to import Sony DCR MTS files into mac
What you need: A 6 pin or 4 pin cable. Usually, camcorders usually need a 4 pin cable end in order to be able to connect to the Mac, although sometimes they might allow a 6 pin end as well.
Step 1, Make sure your camcorder is set to the correct mode for importing photos and videos. For information on which mode to choose, see the instructions provided with your camcorder. If your camcorder has a “sleep” mode, make sure it is disabled or set to a time increment long enough to allow your images and videos to download.
Step 2, To locate the four-pin FireWire port on your video camcorder. On most video camcorders, you'll find it located under a plastic or rubber boot. Leave the video camcorder powered off and simply lift up the boot from the camcorder and insert the smaller four-pin end of the FireWire cable into the the FireWire port of the camcorder.
Step 3, Once the camcorder is connected, take the other end of the FireWire cable, the larger six pin end, and insert it into the FireWire port of your Mac. When both of the cables are connected, you can turn on the power to your video camcorder.
Step 4, In a few seconds your Mac should automatically launch iMovie. Follow the on-screen instructions on your Mac and begin the video transfer from your video camcorder to your Mac.
2. How to convert Sony DCR MTS files on mac

When you would like to play or edit Sony videos on your Mac, Problems may confuse you when importing videos to QuickTime, iMovie, Final Cut Pro, Adobe Premiere Pro and other applications .Sony videos can’t be played or edited on Mac OS X directly. If you would like to play and edit them on Mac, the best solution is to apply the programme Sony DCR MTS Video Converter for Mac to convert Sony video formats to mp4 or mov on Mac. Then you can play and edit your Sony videos on Mac OS X successfully.
Sony DCR MTS Video Converter for Mac is a good SD video converter for Mac to convert standard definition videos (AVI, MP4, MPG, WMV, MOV, DV etc), which can also extract and convert audio track from your video files as WAV, MKA, OGG, 3GP, Mp3 and M4A. Moreover, you can refer to this guide about how to put Sony DCR dvd into imovie to edit them.By the way, all the output Sony camera video can be played on iPod, iPhone (iPhone OS 3.0), PSP, PSP Go, Apple TV, Nokia and other mobile players.
Tips: MTS format is a high-definition MPEG, AVC, H.264 transport stream video file format which commonly used by HD camcorders such as Sony, Canon, Panasonic. MTS files are used primarily with Sony hardware. Camcorders make use of MTS in the form of AVCHD, a recording format made specifically for camcorders. Some camcorder models from Canon also use MTS files. These files are also present on Blu-ray disc compilations, therefore they are capable of storing quite a large amount of information and data tracks.
Since MTS is not a mac suitable format, it's necessary to convert mts files to mac with some useful application.
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