Cederj ad1 semestre 1 2013 inglês instrumental

Páginas: 4 (792 palavras) Publicado: 23 de fevereiro de 2013

Fundação CECIERJ - Vice Presidência de Educação Superior a Distância
Curso de Tecnologia em Sistemas de Computação
AD1 Disciplina: Inglês Instrumental
Semestre 1/2013
|adapted form SPEAK UP |

The entertainment industry has seen many inventions, but the emergence of the software musicstandard MP3* has turned the music world on its head. This is a format that permits high quality music to be transferred from the Internet into people's home computers.
In 1989, the work of Germanstudent Karlheinz Bradenburg on digital compression and perception of music led to the MP3, a file format that compresses audio into manageable digital files.
The Walkman pioneered portable music but youhad to carry tapes or CDs. The MP3 was definitely a breakthrough. Imagine squeezing all your tapes and CDs onto a small drive and having hundreds of songs in your pocket selected with a simple click,easy to copy and email!!!
The iPod is the quintessencial MP3 player. The i denotes Apple´s internet products. Pods are very small containers: peas grow in pods; spaceships carry escape pods.
AreMP3s good quality?
No. In order to squeeze CD tracks into 3 or 4 megabytes, MP3 remove frequencies inaudible to humans, compressing the remaining information. Audio purists consider MP3 sound qualityimpoverished.
There are also questions about longevity. Although vynil deteriorates with use, Thomas Edison´s original cylinders are still playable. Recently, old CDs are becoming erratic fromoxidizing or bronzing. Are computer drives such as iPods secure? We won´t know until the technology grows older.
* MP3=Moving Picture [Expert Group Level] 3 [Compression]
Glossary: emergence=surgimento;turn on its head=virar de cabeça para baixo; quintessential=na forma mais pura; denote=significa; led=levou a; pioneer=inovar; breakthrough=avanço; impoverished=empobrecido; container=recipiente;...
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