As demand continues to grow for production equipment targeting the high resolution, multi-channel capabilities of SACD [Super Audio CD], there is increasing interest in adding DSD capability to both new and existing systems. The prospect of researching and implementing the necessary algorithms from scratch can be daunting. The high data rates, coupled with the asymmetric multipliers often required by the algorithms, make conventional von-Neumann-type DSP platforms (where most developers traditionally have their DSP expertise) seem sub-optimal. Based on custom DSD audio processing engines and packaged in the very compact SODIMM form factor, the modules described in this paper can add high quality, real time, low latency DSD Audio processing functionality to a system with a minimum of development time.
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