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AVCHD (Audio and Video Compression for High Definition) is a high-definition and standard-definition recording format for use in digital tapeless camcorders. The format is comparable to other handheld video camera recording formats, particularly TOD, and HDV. In 2003 Sony introduced XDCAM, one of the first professional tapeless video systems. The format used Professional Disc as recording media. The cost of media was comparable to other professional formats that existed at that time, and was prohibitively high for a consumer version of such a camera.

The first AVCHD camcorder, Sony Handycam HDR-UX1, went on sale in September 2006 and recorded on 8 cm DVD media. Panasonic followed in spring 2007, releasing the HDC-SD1, the first AVCHD camcorder to record to SD/SDHC solid-state media, as well as a more conventional DVD-based model, the HDC-DX1. First Canon models included the HG10, with built-in hard disk drive storage, and the DVD-based HR10. JVC, which had been promoting its proprietary TOD video-format, finally introduced AVCHD-capable camcorders in April 2008, released by http://www.sony.jp/products/ MTS Converter is a professional but easy-to-use video conversion software. Before the AVCHD standard has been finalized, end users could master high definition content in Blu-ray format (BDMV) on either BD-R/BD-RE discs or regular DVD discs. At one point, the Blu-ray Disc Association was considering separating studio content and home-made content using different folders, namely BDMV for studios and HDMV or BDAV for home use. This idea did not seem to get a lot of traction.

Instead, AVCHD is being offered as the means of distributing amateur video in high definition, which is declared by Sony(Japan) official site:http://www.sony.jp/products/MTS Video Converter can convert MTS files to video formats including avi, mov, vob, mpeg, mpg, mp4 and so on with perfect sound and image quality.AVCHD (AVC-HD, AVC HD) video is recorded using the MPEG-4 AVC/H.264 video compression codec. Audio is stored in either compressed form (Dolby AC-3), or uncompressed form (multichannel PCM). Aside from recorded audio and video, AVCHD includes features to improve media presentation: menu navigation, slide shows and subtitles. The menu navigation system is similar to DVD-video, allowing access to individual videos from a common intro screen. Slide shows are prepared from a sequence of AVC still frames, and can be accompanied by a background audio track. Subtitles are used in some camcorders to timestamp the recordings.