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ML2201 pdf datasheet （PCM-Base
韩刚龙
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The ML2201 is a PCM-based speech synthesizer LSI with on-chip 384K Mask ROM, D/A Converter and Low Pass Filter. It is a shrink version of Oki's popular MSM9831 that is functionally identically but in a smaller package. A small part of the ROM is utilized as phrase control table for compilation of several words. Using Oki’s PC based Speech development tools, such as AR204, several words or sound effects can be concatenated to one sequence that can be playbed back upon receipt o one address from the external MCU.
ML2201 is suited for application demanding short output times and high sound fidelity. The non-linear 8-bit OkiPCM method produces sound quality comparable with 10-bit straight PCM. What’s more, its small footprint package makes it an ideal choice for today’s size sensitive applications.
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