Compression

Compression is the act of making data smaller, either by algorithmically packing data or by algorithmically removing data.

• For various tips on optimizing the file size of Source 1 files, see Compression (Source 1)
• For information about out DXT5, a form of texture compression, see DirectX Texture compression 5

File formats relevant to Valve's engines which can contain compressed data include:

• AVI
• BIK
• BSP (Source 1) (LZMA; , , , and consoles only)
• BZ2
• DDS
• JPG
• MDL (GoldSrc) (Vertex data is  RLE-compressed; contained textures are not)
• MP3
• PCX ( RLE)
• PNG
• TGA ( RLE)
• VSND_C (ADPCM, MP3)
• VTF
• WAV (ADPCM)
• WEBM
• ZIP

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