compressed video

compressed video

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Over time, webcast "has taken on a broader meaning as a catch-all for using compressed video.
Compressed video technology provides students in underserved areas with experiences similar to those of a traditional classroom.
The purpose of this study was to investigate the effect of compressed video learning environments on academic achievement of graduate students.
The standard format for playing compressed video on the internet is MPEG-4, the streaming video file equivalent of MP3 audio files.
Courses are offered by compressed video and over the web.
Findings indicate that: (1) 25 of the classes were Web-based (asynchronous) and 9 were compressed video (synchronous); (2) nearly 3% of all classes at PVCC during the year were distance learning classes; (3) an average of 12 students was enrolled in each class; (4) 318 students, or 4% of all students, were enrolled in at least 1 distance learning class--this percentage was the lowest in the Virginia Community College System (VCCS); (5) 17% of students enrolled in distance learning were in compressed video classes, 83% in Web-based classes, and 0.
OBJECTIVE PICTURE QUALITY ANALYSIS TOOL is designed for those engaged in the delivery of compressed video.
Each square inch of disk space can hold about three hours and 15 minutes of MPEG-2 compressed video, the equivalent of two full-length movies or about 77 hours of MP3 compressed video using lossy-compression techniques.
Because it performs encoding using the local machine CPU, Sorenson Squish enhances the user experience by reducing upload time; only the compressed video file is uploaded, rather than the much larger source file.
Highlights include: (1) a greater percentage of whites (70%) and females (69%) enrolled in distance learning courses, compared with TCC's overall student population; (2) online course enrollments increased from eight sections and 146 students in summer 1998 to 37 sections and 1,014 students in spring 2000; (3) for all modes of distance learning, the majority of students learned about the course via the class schedule; (4) the overall retention rate of distance learning students was 66%, while the overall rate was 65% for new students enrolling in fall 99 and returning in spring 2000; and (5) compressed video students had a success rate (grade of A, B, or C), while both online and telecourses had a success rate of 61%; overall TCC success rate is 74% for all college-level courses.
For the first time, low cost consumer cameras with HDMI video connections can move beyond the quality limits of HDV compressed video to a new world of uncompressed editing and design.
A single 750GB miniStack V2 can be used to store/playback/edit over 55 hours of raw, uncompressed digital video translating to an amazing 320 hours of standard MPEG2 compressed video.

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