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• PC based SDKs
  • Codec SDK
    • MPEG-1/2
    • H.264/AVC
    • MPEG-4 Part 2
    • VC-1
    • DV/DVCPRO 25
    • DV/DVCPRO 25/50
    • DVCPRO HD
    • JPEG2000
    • Converter & Scaler
    • Network Streaming
    • Audio SDK
    • AAC
  • Reference SDK
  • AVS SDK (beta)
  • Motion JPEG SDK
  • Dolby Digital SDK
  • H.264 Acceleration SDK
  • MPEG Acceleration SDK
• MainConcept ShowCase
• Other products
  • Windows CE Codecs
  • MCE Encoder
• Licensing Info
  • NDA Form
  • Pricing/Evaluation SDKs

The Dolby Digital (AC-3) SDK supports Dolby's surround sound technology that delivers high-quality digital audio for up to 5.1 discrete channels (L/C/R/LS/RS/LFE). It is the sound for DVDs worldwide, found in DVD players, broadcasted HDTV channels, IPTV solutions, etc. The AC-3 standard is based on the ATSC A52 Revision B specification. The SDK consists of a Low Level API (in the C programming language) as well as DirectShow filters for decoding and encoding AC-3 streams.