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Codecs, short for "coder-decoder" or "compressor-decompressor," are software or hardware components that encode or decode digital data streams or signals. They play a crucial role in a variety of applications, especially in multimedia processing, such as audio, video, and image compression. ### Types of Codecs: 1. **Audio Codecs**: These are used to compress or decompress audio files.

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  1. Data compression
  2. Information theory
  3. Applied mathematics
  4. Fields of mathematics
  5. Mathematics
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