High-Definition Coding

From Wikipedia, the free encyclopedia
Jump to: navigation, search

HDC (Hybrid Digital Coding) with SBR (spectral band replication) is a proprietary lossy audio compression codec developed by iBiquity for use with HD Radio. It replaced the earlier PAC codec in 2003. It is thought to be a modified form of MPEG-4 HE-AAC. [1][2]


  1. ^ Radio and WIreless: AM Bandwidth and Digital Radio
  2. ^ Optimization of high-definition video coding andhybrid fiber-wireless transmission in the 60 GHzband

External links[edit]