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Coding Technologies

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Coding Technologies AB was a Swedish technology company that pioneered the use of Spectral Band Replication in Advanced Audio Coding. Its MPEG-2 AAC-derived codec, called aacPlus, was published in 2001 and submitted to the MPEG for standardization. The codec would become the MPEG-4 High-Efficiency AAC (HE-AAC) profile in 2003. XM Satellite Radio used aacPlus for their streams. [1] aacPlus with Parametric stereo, called Extended aacPlus, would become MPEG-4 HE-AACv2. Coding Technologies was acquired by Dolby Laboratories in 2007 for $250 million in cash. [2]

References

  1. ^ "XM Drops PAC for CT-aacPlus". Radio. 14 May 2002. Retrieved 25 May 2015. {{cite web}}: Italic or bold markup not allowed in: |publisher= (help)
  2. ^ "Dolby Laboratories to Acquire Coding Technologies". 8 November 2007. Retrieved 25 May 2015.
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