Digital video Task 18

list three analog video formats
1- VHS video cassette is an analogue formate capable of delivering video footage and stereo sound.
2- televesion program can be record and store at hom and be played at another time.
3- by using the new technology video can be recorded in differen type of disk and tape as both analogue and digital files.
What advantage does digital video have over analauge video?

1- you can store more datas
2-by using digital video you can work on it nas much as you like without losing any qualquality;
3-With digital video, you have control of fine detail and can preview each effect or transition as much as you like until you get it right
4- can make copies of copies
5-very high quality

 Disadvantage:

1-cassettes can only 1 hour of video
2- they are expensive
3-use to much power

 three common digital video file formats

Audio interchange file formate: is one of the most common audio file formate used on both Macintosh and windows.The most CD writers ca accept AIFF files when writing a Red Book audio CD.
Sun audio format Native format on Sun/UNIX systems, and common the Internet.
System 7 sound: a format intoduced in version 7 of the Macos, allowing desctop double click playback