MP3 Essay

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What is an MP3 An MP3 is a recorded high-quality audio (voice and music) file which can be distributed over the Internet, and played on any multimedia computer with the right sound card and speakers. MP 3 is simply a file format that compresses a song into a smaller size so it is easier to move around on the Internet and store. MPEG is the acronym for Moving Picture Experts Group. This group has developed compression systems used for video data. For example, DVD movies, HDTV broadcasts and DSS satellite systems use MPEG compression to fit video and movie data into smaller spaces. The MPEG compression system includes a subsystem to compress sound, called MPEG audio Layer-3. We know this as MP3. The music industry distribution medium of…show more content…
Many believe there is no moral difference between pressing "Record" on a cassette player, while listening to their favorite radio or cable TV music channel, and hitting the "Save to Disk" button on any MP3 file that they run across. The MP3 Format A CD stores songs as digital information. The data on a CD uses an uncompressed, high-resolution format. Specifically here's what happens to create a CD: „h Music is sampled 44,100 times per second „h The samples are 2 bytes (16 bits) long „h Separate samples are taken for both the left and right speakers in a stereo system Therefore a CD stores a huge number of bits for each second of music: 44,100 samples/second * 16 bits/sample * 2 channels = 1,411,200 bits per second 1.4 million bits per second is 176,000 bytes per second. If an average song is 3 minutes long, then the average song on a CD consumes about 32 million bytes of space. 32 Mbytes is a lot of space for one song, and it is especially large when you consider the bandwidth most people have available for their Internet connections. Over a 56k modem it would take something close to 2 hours to download one song. The MP3 format is a compression system for music. The MP3 format helps reduce the number of bytes in a song without hurting the quality of the song's sound. The goal

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