| Specifications | Microsoft Word - New HD Audio Standards Final _2_.doc mallen |
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| Specifications | Microsoft Word - New HD Audio Standards Final _2_.doc mallen |
| Business section |
| Specifications | Microsoft Word - New HD Audio Standards Final _2_.doc mallen |
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| Content | May 9, 2007 The Emergence of New Audio Formats for High-Definition DVD Standards: Design Challenges and Solutions Page 1 The Emergence of New Audio Formats for High-Definition DVD Standards: Design Challenges and Solutions By: Dr. Miroslav Dokic, PhD EE, Director of Advanced Technology Development, Cirrus Logic; and Terry Ritchie, Senior Staff DSP Strategic Marketing, Cirrus Logic The advent of next-generation high-definition DVD players, based on the Blu-ray Disc® and HD DVD™ formats, presents significant design complexities for original equipment manufacturers (OEMs). While most of the attention has been placed on high-definition video, the emergence of new audio formats utilized in high-definition DVD standards poses even greater challenges for OEMs seeking to penetrate this quickly evolving consumer market. Current system-on-a-chip (SOC) processors do not adequately address the new set of lossy (Dolby® Digital Plus and DTS®-HD High Resolution) and lossless (Dolby TrueHD and DTS-HD Master Audio) audio codec formats, which all require a higher bit rate, more memory, increased sampling frequency and better connectivity. In order to keep pace and meet the formats’ requirements for decoding the myriad audio algorithms, OEMs need a single integrated circuit (IC) solution that reduces design complexities while balancing cost, quality and time-to-market. This paper offers an industry perspective to help OEMs understand these new standards, their audio-specific processing complexities and the impact on product designs. It also discusses current and future IC solutions that will enable OEMs to effectively address the challenges associated with high-definition DVD audio standards. An Overview of High-Definition DVD Upon typing the words “high-definition DVD” into any Internet search engine, you’ll find a slew of reviews, blogs and other discussion on the format war between Blu-ray Disc and High- Definition DVD (HD DVD). But let’s be clear: this paper is not about that ongoing battle. Rather, it’s about the implications of the next-generation audio algorithms that these new high- definition DVD formats will have on OEMs designing next-generation consumer home theater products. High-definition DVD is an evolution of standard DVD, becoming what DVD was to VHS videotapes in terms of video and audio clarity. Many television sets today are capable of displaying high-definition pictures, and the move to a high-definition DVD format is the next logical step in home theater. In fact, this year we’re seeing strong growth in available movie |
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