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AVCHD

AVCHD(Advanced Video Codec High Definition)索尼松下电器于2006年5月联合发表的高清光碟压缩技术。AVCHD标准基于H.264/MPEG-4 AVC视频编码,支持480i720p1080i1080p等格式,同时支持杜比数码5.1声道或线性PCM 7.1声道音频压缩。

AVCHD使用8厘米MiniDVD光碟,单张可存储大约20分钟的高清晰度视频内容,今后的双层和双面光碟可存储1小时以上;而没有AVCHD编码的MiniDVD光碟,一般只能存储30分钟左右的480i视频内容。

规格

影像
视频信号 1080/60i
1080/50i
1080/24p
720/60p
720/50p
720/24p
480/60i 576/50i
像素(水平×垂直) 1920×1080
1440×1080
1280×720 720×480 720×576
显示比例 16:9 4:3, 16:9
压缩方式 MPEG-4 AVC/H.264
(Main Profile Level-4.0或High Profile Level-4.1,视乎商品而定)
明度采样率 74.25 MHz
55.7 MHz
74.25 MHz 13.5 MHz 13.5 MHz
色度取样格式 4:2:0
量化 8位(明度及彩度
声音
压缩方式 杜比数码(AC-3 线性PCM
压缩位元率 64 to 640 kbit/s 1.5 Mbit/s(两声道)
声道数 1-5.1声道 1-7.1声道
系统
流类型 MPEG-2 传输流
系统资料流量 最高达至24 Mbit/s(AVCHD符合H264 High-Profile, Level 4.1

最高达至17 Mbit/s(AVCHD符合H264 Main-Profile, Level 4.0
最高达至18 Mbit/s(DVD媒体)

扩展名(通常) mts(在摄影机),m2ts(导入电脑后)
纪录媒体 8 cm光学媒体(DVD)

SD/SDHC存储卡
Memory Stick
内建硬盘或闪存

规格(AVCHD 2.0)

影像
子类型 AVCHD Progressive AVCHD 3D(stereoscopic)
像素(水平×垂直) 1440×1080 1920×1080 1280×720 1920×1080
每秒帧数 59.94, progressive

50, progressive

59.94, progressive

50, progressive

23.976, progressive

25, interlaced

29.97, interlaced

显示比例 16:9
压缩方式 MPEG-4 AVC/H.264
明度采样率 111.4 MHz 148.5 MHz 74.25 MHz
色度取样格式 4:2:0
量化 8位(明度及彩度)
声音(杜比数码)
AC-3压缩方式 杜比数码(AC-3
AC-3声道数 1-5.1声道
AC-3压缩位元率 64 to 640 kbit/s
声音(PCM)
线性PCM PCM无压缩
PCM声道数 1-7.1声道
PCM位元率 1.5 Mbit/s(2声道)
系统
流类型 MPEG transport stream
系统资料流量 最高达至28 Mbit/s
扩展名(通常) mts(在摄影机),m2ts(导入电脑后)
纪录媒体 SD/SDHC/SDXC存储卡

Memory Stick
内建硬盘或闪存

相关条目

AVCHD视频处理 AVCHD converter for mac & windows页面存档备份,存于互联网档案馆

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AVCHD
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