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  2. Lossy compression - Wikipedia

    en.wikipedia.org/wiki/Lossy_compression

    These techniques are used to reduce data size for storing, handling, and transmitting content. Higher degrees of approximation create coarser images as more details are removed. This is opposed to lossless data compression (reversible data compression) which does not degrade the data. The amount of data reduction possible using lossy ...

  3. Compression artifact - Wikipedia

    en.wikipedia.org/wiki/Compression_artifact

    Lossy audio compression typically works with a psychoacoustic model—a model of human hearing perception. Lossy audio formats typically involve the use of a time/frequency domain transform, such as a modified discrete cosine transform. With the psychoacoustic model, masking effects such as frequency masking and temporal masking are exploited ...

  4. Data compression - Wikipedia

    en.wikipedia.org/wiki/Data_compression

    Lossy audio compression algorithms provide higher compression and are used in numerous audio applications including Vorbis and MP3. These algorithms almost all rely on psychoacoustics to eliminate or reduce fidelity of less audible sounds, thereby reducing the space required to store or transmit them.

  5. YouTube, Amazon Prime forgo streaming quality to relieve ...

    www.aol.com/news/youtube-reduce-streaming...

    YouTube and Amazon Prime will sacrifice streaming quality in the EU to help avert internet gridlock as tens of millions of Europeans, confined by the coronavirus outbreak, switch to working from home.

  6. Image compression - Wikipedia

    en.wikipedia.org/wiki/Image_compression

    Image compression is a type of data compression applied to digital images, to reduce their cost for storage or transmission. Algorithms may take advantage of visual perception and the statistical properties of image data to provide superior results compared with generic data compression methods which are used for other digital data.

  7. Advanced Audio Coding - Wikipedia

    en.wikipedia.org/wiki/Advanced_Audio_Coding

    Advanced Audio Coding (AAC) is an audio coding standard for lossy digital audio compression.It was designed to be the successor of the MP3 format and generally achieves higher sound quality than MP3 at the same bit rate.

  8. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. YouTube copyright issues - Wikipedia

    en.wikipedia.org/wiki/YouTube_copyright_issues

    He originally appealed but was denied as it is not YouTube, but the user claiming the content who has the final say over the appeal. He messaged YouTube to appeal, but YouTube said that they do not mediate copyright claims. [38] The claim was later removed, with Google terminating the claimant's YouTube channel and multi-channel network. [39]