TS is the abbreviation of Transport stream (in high definition). It is a communication protocol for audio, video, and data which is specified in MPEG-2 Part 1, Systems (ISO/IEC standard 13818-1) (TS == Transport Steam).
Nowadays, TS files are widely spread on the internet as (usually split) recording profiles from HDTV broadcasts. Some Camcorders such as JVC Everio GZ-HD40 also support this HD format.
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 premarily 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.
M2TS file format is given to video/audio files created by certain Sony Camcorder models. A .m2ts file is a Sony high definition video file type. M2ts files are raw AVCHD videos recorded using Sony's, such as the HDR-SR(xx) series models. Panasonic, Canon and other brands of AVCHD camcorders also record in m2ts format. Currently, m2ts files can be played using the Picture Motion Browser, which is an application video player provided with Sony AVCHD camcorders.
Part Two: How to convert TS, MTS, M2TS, and other HD videos to iPod, PSP, Sansa etc
Aiseesoft HD Video Converter supports comprehensive video formats including MPEG-4, H.264/MPEG-4 AVC, MOV, M4V, AVI, DivX, XviD, ASF, WMV, MPEG-1, MPEG-2, 3GP, 3GPP, MKV, FLV, SWF, VOB, DV, Super VCD (NTSC, PAL, SECAM), VCD(NTSC, PAL, SECAM), DVD(NTSC, PAL, SECAM).
If you don't know what formats your device supports, you can just select the format according to the device name. For exapmle, you can select ' iPod Video MPEG-4(*.mp4)' when you want to convert HD video to iPod Video. The default setting works well. Of course, if you don't want to use the default video and audio encoding settings, just click the "Settings" button to customize these settings.
Brightness: Drag the Brightness adjustment bar to set the brightness of the video.
Contrast: Drag the Contrast adjustment bar to set the contrast of the video.
Saturation: Drag the Saturation adjustment bar to set the saturation of the video.
Volume: Drag the Volume adjustment bar to adjust the volume of the audio.
2. Trim video clips
Click "Trim"button to open the edit window to trim any video clips.