Mac External Hard Drives. Categories & Filters. Hard Drive Size. WD - My Passport for Mac 4TB External USB 3.0 Portable Hard Drive with Hardware Encryption - Black. External Hard Drives for Macs Mac users need to sync an external hard drive with their computer to use Time Machine, Apple's built-in file backup system. Shoppers can find and choose the right Mac hard drive by thinking about storage and portability needs. Mac external hard drive showing read only. What is avchd File? AVCHD stands for Advanced Video Coding High Definition. It is a format for digital recording and playback of High Definition Video. It records 1080i and 720p signals onto certain media using highly efficient codec technologies. It was jointly developed by Panasonic and Sony. In 2006, the companies developed AVCHD for use in high definition consumer camcorders. In 2007, both Panasonic and Sony released the first consumer AVCHD camcorders. In 2011, the AVCHD specification was amended to include two new modes – 1080-line 50-frames/s and 60-frames/s. The newly declared modes require double the data rate than previous modes. By using AVCHD format, you can burn high definition video to a standard DVD disc. Later you can play that DVD disc in a Blu-ray disc player. Thus you don't have to own a Blu-ray disc burner to enjoy high definition video on Blu-ray disc player. Convert your AVCHD files to MP4 video. This AVCHD to MP4 converter can convert AVCHD (Advanced Video Coding High Definition) files to MP4 (MPEG-4. The next step in this process is to import the file to Wondershare Video Converter Free. You can simply drag the chosen file to its interface or click on “Add Files” icon. Step 3 Choose the output format and convert AVCHD to MP4. Now from the upper-right corner of the interface, choose the file output format. AVCHD video can also be outputted to TV via an HDMI cable or components outputs. It can also be transferred and viewed to computer. • • • • Part 1: What's in the avchd file? AVCHD uses MPEG – 4 AVC/H.264 standard for video compression which supports a variety of standard, high definition, and stereoscopic video resolution. It supports both Dolby AC-3 and uncompressed linear PCM for audio compression. An AVCHD file consists of recorded audio and video with subtitles and other ancillary streams. These are multiplexed into an MPEG transport stream and stored on media as binary files. For file system, memory cards and HDDs use FAT and optical discs use UDF or ISO9660. Apart from some differences, the file system of AVCHD is derived from the Blu-ray disc specification. For example it utilizes legacy 8.3 file naming system while Blu-ray disc uses long filenames. Video format AVCHD supports a variety of video resolution and scanning methods but most of the camcorders support only a handful of the video and audio formats allowed in the AVCHD standard. Interlaced Video: AVCHD supports both AVCHD-SD or Standard Definition and AVCHD 1080i or High Definition interlaced video while AVCHD 1080i is available with most AVCHD camcorders. Progressive-scan video: AVCHD supports 720-line progressive recording mode at frame rates of 24 and 60 frames/s for 60 Hz models and 50 frames/s for 50 Hz models. Audio Format Most of the AVCHD camcorders use Dolby Digital (AC-3) compression scheme and stereo and multichannel both audio is supported. Audio data rate changes from 64Kbit/s to 640Kbit/s but practically 256 Kbit/s and 384 Kbit/s are mostly used. Avchd Format Overview: Part 2: Available Codec for avchd FFmpeg It includes an AVCHD decoder in its libavcodec library that is used by ffdshow, a free and open source collection of codecs for Windows. CoreAVC It is actually an H.264 decoder but can also decode AVCHD as well as some other H.264 formats. Gstreamer It uses libavcodec to decode AVCHD on Linux, BSD, OS X, Windows and Solaris. Part 3: How to playback avchd file? AVCHD file can be played back in a variety of ways. We will discuss three of them here: Direct Playback You can connect your camcorder directly with your TV with the supplied HDMI cable or component-video cable and playback AVCHD video directly on your TV. Please follow the below steps: Note: Your television must be a High Definition TV equipped with an HDMI input terminal • Turn off the camcorder and the TV when making the connections • Use the supplied high definition HDMI cable to connect your camcorder with the TV. • Turn on the TV. Change the video input on your TV to the same terminal on which you connected the cable. Tune sweeper download. • Turn on the camcorder and set it to movie playback if required. ![]() Avchd Disc Another way to playback AVCHD video is to record the video onto a DVD and then that video can be played back using Blu-ray disc players or on PlayStation 3 gaming console. Wondershare DVD creator is an example of such type of DVD creator. With this tool you can burn any video, audio or image format to DVD. Just follow the below steps: Step 1 Import/Add Videos Click on Import to add video files. Added files are displayed as a medium size icon or thumbnail on the left hand side of the pane. Alternatively you can also drag and drop your videos onto it to add videos. To add multiple files repeat this step.
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