CEVAnet Software / Algorithm Partner
Dirac HD Sound®
Founded in 2001, Dirac Research is a premier R&D company specializing in high-performance digital sound optimization, room correction and sound field synthesis. The company was founded by researchers from the Signals & Systems Group of Uppsala University, Sweden, which has fostered 8 Nobel Prize laureates. With Dirac's patented toolbox for efficient and accurate audio system optimization, customers such as BMW, Bentley, Rolls Royce and Datasat Digital Entertainment have achieved dramatically improved sound quality and a shortened time-to-market.
CEVA DSP Cores Supported
Partnering in Market Solutions
- Automotive Audio
- Digital Home Audio
- Mobile Audio
The Dirac HD Sound solution is a mixed-phase loudspeaker correction technology that optimizes a sound system's transient reproduction and frequency response for optimal performance and clarity. This software offering has now been fully optimized for the native 32-bit processing capabilities of the CEVA-TeakLite-III architecture, ensuring a cost-efficient low power and low system overhead solution, even within constrained systems. The Dirac HD Sound technology has been proven across a range of high-end audio applications in the consumer, cinema, professional and automotive markets. The technology is customized to a specific sound device and enhances many audio and voice aspects, including voice correction, stereo image correction, bass correction, listening fatigue minimization, and tonal and transient correction. Resonances, diffraction, group delay errors, etc., are all minimized.
Further advantages include the following:
- Sound system design flexibility is greatly enhanced by the ability to tailor the loudspeaker/earphone response digitally without hardware changes.
- Similar sound characteristics can be achieved across multi-sourced speaker/earphone solutions by applying customized filters with the same target response.
- Better and less expensive loudspeakers/earphones ("smart speakers") can be obtained by designing them grounds up with Dirac HD Sound, for example extending the bass response of a small enclosure such as in flat-screen TV
- Brings out the full potential of any playback system, regardless of acoustic design limitations such as encountered in the mobile and TV industries
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