http://www.mp3-box.org/how-mp3-compression-works/
How does Lossy Compression Works?
I need a enlightenment on how Lossy Compression works. In the midst of trying to find a way to compress my mp3 files, i came across the term. However, spattered all across the internet were only discussions about it. Could someone help by telling me exactly how do you do it?
What i actually meant by How doea Lossy Compression Works is actually like, how do you do it? Instructions would be helpful
Quick explanation: lossy compression works by analyzing the source material (images, audio, video) and removing components that do not affect our perception of this material.
Our senses (hearing, seeing) aren’t perfect and there are some things that we just cannot perceive.
A lossy compression algorithm analyzes the source material and takes into account our imperfections in order to selective remove components.
JPEG compression (images), for instance, try to reduce the number of red pixels in an image because the human eye is less sensitive to details in red than in other colors.
The exact algorithm varies according to the source material. Also, there are different algorithms for the same source – MP3, WMA, AAC and Vorbis are lossy algorithms designed for audio material – and these algorithms produce different results, with some of them being more efficient than others.
You can read more about lossy compression on Wikipedia: http://en.wikipedia.org/wiki/Lossy_compression
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