AVCHD (Advanced Video Coding High Definition) is a file-based format for the digital recording and playback of high-definition video.Developed jointly by Sony and Panasonic, the format wasintroduced in 2006 primarily for use in high definitionconsumer camcorders. Favorable comparisons of AVCHDagainst HDV and XDCAM EX solidified perception ofAVCHD as a format acceptable for professional usage.Panasonic released the first professional AVCHD camcorderin autumn of 2008, followed by Sony in the first quarter of2010.
AVCHD 1080i is available on most AVCHD camcorders. Forsome models this is the only recording mode offered.AVCHD-SD is used in the shoulder-mount Panasonic HDC-MDH1, available on Southern-Asian markets, as well as on itsNorth American AG-AC7 cousin. Several new models fromJVC like the GZ-HM650, GZ-HM670 and GZ-HM690 canrecord AVCHD-SD video too. AVCHD-SD is not compatiblewith consumer DVD players, because it employs AVC videoencoding instead of MPEG-2 Part 2. AVCHD-SD can beplayed on a Blu-ray Disc player.
MTS and M2TS are both file extensions for the high definitiondigital video camera recorder format, AVCHD (AdvancedVideo Codec High Definition). AVCHD was jointlyestablished by Sony Corporation and Panasonic Corporation in2006 for use in their digital tapeless camcorders.
Though both MTS and M2TS are file extensions for the sameAVCHD and both support 720p and 1080i HD video formats,there is a slight difference between the two. In the M2TS file,the video file is saved in the high definition Blue-ray BDAVformat. Video data on the Blue-ray discs can be saved in oneof the three video codecs – MPEG2 Part 2, H.264/MPEG-4AVC, or SMPTE VC-1; and the audio data in either Dolbydigital, DTS, or the uncompressed Linear PCM. The M2TSfile extension is written as xxxxx.m2ts where the ‘xxxxx’ area five digit number corresponding to the audio-visual clip.
Below are the video and audio file formats and codecs thatQuickTime Player can playback in Mac OS X v10.6.x or OS XLion:VideoFile format: QuickTime Movie (.mov), MPEG-4 (.mp4,.m4v),MPEG-2 (OS X Lion only),MPEG-1, 3GPP,3GPP2, AVI, DVCodecs or components:MPEG-2 (OS X Lion only),MPEG-4 (Part2),H.264,H.263,H.261,Apple ProRes, Apple Pixlet, Animation,Cinepak, Component Video, DV, DVC Pro 50,Graphics,MotionJPEG (Mac OS X v10.6.x only),Photo JPEG, Sorenson Video2,Sorenson Video 3
AudioFile format:iTunes Audio (.m4a, .m4b, .m4p),MP3,CoreAudio (.caf),AIFF,AU,SD2,WAV,SND,AMRCodecs or components: AAC (MPEG-4 Audio),HE-AAC,Apple Lossless,MP3,AMR Narrowband, MS ADPCM,QDesign Music 2,Qualcomm PureVoice (QCELP),IMA4:1,MACE 3:1 (Mac OS X v10.6.x only),MACE 6:1 (Mac OSX v10.6.x only), ALaw 2:1,ULaw 2:1,24-Bit Integer,32-BitInteger, 32-Bit Floating,Point,64-Bit Floating Point
For mac user, they want to watch avchd file on mac,then howto get AVCHD MTS files off HD Video cameras/camcordersto Mac?With AVC HD camcorders, you typically need to connect theHD video camera to your Mac using a USB cable, firewire oriLink(Sony). Once connected and powered on, the camcordershould appear on the desktop as a new disk. The location ofthe films on the camcorders disk will vary depending onmanufacturer. It is desirable that you copy the movies to yourMac hard disk before converting or editing.
If you want to playback your video to computer, you will findmost AVCHD camcorders are with high definitionM2TS/MTS format. This format itself is good even perfect,but for Mac users, they must pay some effort to make it workswell with their PC or Book. From QuickTime, iMovie, FCP,iDVD to YouTube, AVCHD M2TS format is not a fullycompatible format. Even the latest iMovie11 and FCPX. It cando nothing when the M2TS cant be detected by them. Youshould to convert avchd video on mac, there are manysoftwares can help you do this, AVCHD converter mac isone of the software.