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Audio processors ease Dolby MS10/MS11 device development

Posted: 14 Aug 2013 ?? ?Print Version ?Bookmark and Share

Keywords:Synopsys? processors? Dolby? ARC audio codecs?

Synopsys recently announced the availability of the Dolby MS11 Multistream Decoder optimised for its DesignWare ARC AS211SFX and AS221BD audio processors. The MS11 Multistream Decoder provides television and set-top box manufacturers with a single-package technology solution for decoding all premium audio formats, including Dolby Digital Plus, Dolby Digital, Dolby Pulse (AAC LC, HE AAC, and HE AAC v.2).

The Dolby MS11 decoder has been certified by Dolby Laboratories for the ARC AS2xx family of single- and dual-core audio processors, allowing Synopsys to offer a complete and proven solution that simplifies the development, testing and qualification of Dolby MS10/MS11-enabled devices while ensuring optimal compatibility with the worldwide installed base of home theatre systems and future broadcast audio standards.

Synopsys' DesignWare ARC audio solution is a scalable hardware and software IP solution that includes codecs, audio processors, media streaming frameworks and post-processing software. The Dolby MS11 decoder for ARC can be used on either a single-core AS211SFX or dual-core AS221BD ARC audio processor, which gives designers the flexibility to configure designs for specific applications and performance requirements. ARC audio processors incorporate dual MAC (Multiply-Accumulate) execution units for efficient audio processing, resulting in a processor load as low as 56MHz for 100 cycles of latency from system memory and leaving sufficient bandwidth for additional audio software.

The ARC-optimised Dolby MS11 decoder also enables a wide range of post-processing capabilities by including full access to the decoded audio streams. One key application is the ability to apply Dolby Volume to a decoded 5.1 Dolby Digital Plus stream and then re-encode the stream to Dolby Digital for output to a home theatre. Synopsys' entire family of DesignWare ARC audio codecs is optimised for performance and ease of integration into SoCs and is fully compliant to audio industry standards such as AMR-WB+, MPEG-4 aacPlus v2, FLAC, WMA 10 Pro, Dolby Digital Plus and DTS-HD Master Audio.

Further information regarding the DesignWare ARC AS211SFX and AS221BD audio processors can be found here.

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