The cost of Dolby AC-4 covers more than just a patent licensing fee. It includes a patent license, an optimized software development kit, test streams, documentation, three-tier support, and product certification services.
Dolby AC-4 is a complete solution that is standardized by the European Telecommunications Standards Institute (ETSI), the same organization that publishes DVB standards.
Dolby AC-4 is competitively priced, with rates that are actually lower than the rates for Dolby Digital and Dolby Digital Plus™. Dolby only charges for one technology per device, which means that Dolby AC-4 effectively costs nothing in devices that include our existing technologies.
We have never charged content fees for our licensed technologies,
and we do not plan to do so with AC-4.
In professional audio products, such as real-time or file-based
encoders, we charge a per-unit royalty based on the device type.
Manufacturers can include multiple Dolby professional technologies
for a single price. The highest per-unit rate is $50 per group of eight
transcoders—i.e., $6.25 per TV channel—to support a typical
We provide a complete technology package to the industry
for Dolby AC-4. The package includes everything needed to implement
Dolby AC-4, including object and source code as necessary, a
reference implementation, test streams, and the backing of our
global support teams.
The code that we provide is optimized, and we continually improve
it to provide the highest efficiency for our partners’ processors,
apps, and devices. It’s easy to implement and designed to solve
The NorDig standards body, confirmed today that Dolby AC-4 has been officially added as well as the only next generation audio codec for the forthcoming NorDig specification v3.1.
The specification will require all HEVC enabled receivers (set top boxes and TVs) to support Next Generation Audio Dolby AC-4.
This covers cable, satellite, terrestrial networks as well as both free and pay platforms that distribute content from NorDig broadcasters in Sweden, Norway, Finland, Denmark, Iceland and Ireland.