Wednesday, February 23, 2011

Chapter 5 Highlights - 3 Facts Learned Blog

Assignment 4 - After reading Chapter 5, post to your blog 3 facts you learned from the chapter. Tell the fact, definition, or explain what you learned.

Fact 1 - I learned that JPEG and MPEG file formats both lose quality due to compression. This results in the reduction of graphic quality for JPEG files and video quality for MPEG files.

Fact 2 - I learned that musical instruments are usually recorded in MIDI format to easily manipulate that sound characteristics of individual instruments to produce a precise sound. The WAV format is normally used when recording music to CDs to produce higher quality sound.

Fact 3 - I learned that in the United States after 1977, the copyright law protects individual works for the life of the individual plus 70 years. Copyrighted works by corporations and nonprofit organizations are protected for 95 years from publication date or 120 years from the creation date. Once the copyright has expired, the files can be copied from the public domain freely without the permission of the source.