Audio Processor Specifically Targeted for Developing World Applications

A custom chip for use in a low-cost information dissemination device targeted towards illiterate people in developing regions with 265000 gates, 8 million transistors, 23mm2, low power audio processor with ARM CortexM0, blocks, and a novel 128kB true LRU cache powered by Carbon Zinc batteries with a high level of integration has been developed and is currently undergoing testing and prototyping with an expected total electronic cost of less than $6.