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Know about Audio Codecs by Reiko Pena
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Know about Audio Codecs |
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Science & Technology
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The word codec may be familiar to you, especially if you are a frequent user of computers. Initially, you might have wondered about it and its functions. If somebody asks you the meaning of it, you may have given a vague answer such as that it is a kind of program file used by the computers for decoding video files or audio files that are stored in the computer in various formats like .avi or .mkv. etc. It is not the proper definition for a codec and it is actually a computer program that encodes and decodes digital signals. This program is also known by names like encoders and decoders or compressors or decompress or according to the convenience. In general, we know that there are three main types of codecs namely video codecs, audio codecs and data codecs. Meaning Audio files are compressed or decompressed with the help of codecs used for audio files. Only when they are used with this program, it can be played in media players like Windows media layer. Right codec will be required to play in a player and if that codec is not available, the player will not be able to function properly. The latest Windows Media Player 11 has almost all the codecs that are required and it can play almost all kinds of voice files. Digital Conversion In simple terms(“,” missing!!) we can define a codec as something that helps in playing an audio file by media players. They are capable of encoding and decoding the digital signals or a data stream. Before the arrival of voice over internet protocol or VoIP as it is popularly known, audio was transmitted as analog signals . The arrival of digital technology wanted the signals to be converted to digital codes or in binary form. Codecs is a program that converts the voice signals into digital format and then decodes it again as an audio signal. MP3 is one of the popular codecs.
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