Video formats AVCHD

an example of interlace combing

avchd supports variety of video resolutions , scanning methods, further extended 2011 amendment of specification. licensing body of specification defines variety of labels products compliant specific features.

most avchd camcorders support handful of video , audio formats allowed in avchd standard.

interlaced video

avchd supports both standard definition (avchd-sd) , high definition (avchd 1080i) interlaced video. avchd 1080i available on avchd camcorders. models recording mode offered.

avchd-sd used in shoulder-mount panasonic hdc-mdh1, on north american ag-ac7 cousin. successor model - ag-ac8, capable of recording in avchd-sd mode. several models jvc consumer camcorders gz-hm650, gz-hm670 , gz-hm690 professional camcorder jvc gy-hm70 can record avchd-sd video. avchd-sd not compatible consumer dvd players, because employs avc video encoding instead of mpeg-2 part 2. avchd-sd can played on blu-ray disc player without re-encoding.

interlaced video had been designed watching on cathode-ray tube television set. material recorded interlaced presentation may exhibit combing or ghosting when rescaled, filmed out or watched on computer or progressive-scan device without proper deinterlacing.

some avchd 1080i camcorders can capture progressive video , record within interlaced stream borrowing techniques television industry. in particular, progressive segmented frame (psf) utilized in panasonic (25p digital cinema), canon (pf25, pf30) , sony camcorders. 2:3 pulldown technique used in 60 hz versions of canon (pf24) , panasonic (24p digital cinema) camcorders recording 24-frame/s progressive video. editing tools treat progressive video recorded within interlaced stream interlaced, though editing systems , standalone blu-ray disc players capable of recognizing pulldown pattern recover original frames using process known inverse telecine.

progressive-scan video

native progressive logo (canon)

since beginning, avchd specification had supported 720-line progressive recording mode @ frame rates of 24 , 60 frames/s 60 hz models , 50 frames/s 50 hz models. frame rates of 25 frames/s , 30 frames/s not directly available in 720p mode, can simulated frame repeating, when every frame either repeated twice or special flag in video stream instructs decoder play every frame twice adhere output rate of 50 or 60 frames/s.

many of digital compact cameras made panasonic, such dmc-zs3/dmc-tz7, dmc-ft1, dmc-fz35/dmc-fz38, , dmc-zs-7/tz-10 offer 720p video recording effective frame rate of 25 or 30 frames/s in format called avchd lite (see below).

until advent of avchd progressive mode, native progressive-scan video 1080-line resolution had been available in 24 frames/s variant. in 2010, panasonic introduced new lineup of consumer avchd camcorders 1080-line 50p/60p progressive-scan mode (frame rate depending on region). panasonic advised not players support avchd playback play 1080-line 50p/60p video. in 2011, mode officially included avchd specification part of 2.0 addendum, , has been called avchd progressive. mode uses same avchd folder structure , container files storing video, maximum bitrate of 28 mbit/s. in 2011, sony introduced consumer , professional avchd models capable of avchd progressive recording. in 2012 jvc announced gy-hmq10 model, can record avchd progressive video.