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The 22 pages that link to Lossless compression, each with the reason it gives.

• Quantization (signal processing)Compared with: Quantization generally discards value information, unlike lossless coding.

• Digital audioRelated: It offers smaller files without altering the decoded audio samples.

• Data compressionBroader topic: It is required when even small changes to the data are unacceptable.

• Lossy compressionCompared with: It preserves every bit of information, unlike lossy compression.

• PNGNarrower topic: PNG’s compression reduces storage without discarding image samples.

• Audio codecCompared with: Lossless codecs preserve every sample, unlike perceptual codecs that discard information.

• Compression ratioRelated: Its ratio measures size reduction without sacrificing any original information.

• Image compressionRelated: It reduces image data without changing any pixel values.

• Video compressionCompared with: It preserves every sample but usually achieves less reduction than lossy video coding.

• File formatRelated: Formats using lossless compression preserve all original information after decoding.

• Video codecCompared with: Lossless video codecs preserve every encoded sample but usually require more data.

• Coding theoryCompared with: It reduces representation size rather than adding redundancy for error recovery.

• Digital videoCompared with: It preserves all encoded image data, unlike common perceptual video compression.

• Image processingCompared with: It changes storage representation without changing image content, unlike many processing operations.

• Digital imagingRelated: It reduces image file size without changing encoded pixel values.

• Image file formatRelated: Formats using it preserve every encoded pixel value after decompression.

• RedundancyRelated: It exploits redundancy without permanently discarding information.

• Digital dataCompared with: It preserves every original value, unlike lossy compression.

• Shannon's source coding theoremNarrower topic: The theorem establishes the best asymptotic rate for compression with exact recovery.

• WinRARNarrower topic: WinRAR’s ordinary file archiving preserves source data exactly, unlike lossy media compression.

• Audio coding formatBroader topic: Lossless formats reduce storage without changing decoded sample values.

• Video coding formatCompared with: Most widely used video formats allow some loss, unlike lossless coding.