Dolby Digital and DTS on Analog Devices DSP's

Hi,

The patent for Dolby Digital (5.1) has expired. As such will Analog Devices be offering the code for Dolby Digital only, for a fee, or free, since it is now not licenced ?

blog.son-video.com/.../

For myself, i see no need for Dolby Digital 7.1 or other.

Regards,

Richard,