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The growing demands of large capacity flash-based storages have facilitated the down-scaling process of NAND flash memory. Among NAND flash technologies, 3D charge trap flash is regarded as one of the most promising candidates. Owing to the cylindrical geometry of vertical channels, the access performance of each page in one block is distinctive, and this situation is exaggerated in the 3D charge...
Single-instruction set architecture (ISA) heterogeneous multi-processor architecture is promising for developing multi-processor system-on-chips (MPSoCs). In this architecture, all processors execute the same instruction set, yet with various performance and power behavior, since processors may have various micro-architectures. Therefore, systems with this architecture have the advantages of easy...
Virtualization technology enables multiple virtual machines(VMs) to run on a physical mechanism. Due to the excessive data-intensive workloads of VMs, the system I/O performance of cloud platforms deteriorates. To improve the system I/O performance, one key technique is to exploit the spatial locality of data stored on the back-end disks. However, identifying data spatial locality on a cloud platform...
Currently, the amount of data is huge. Not only is the quantity of data growing in size, it is also becoming much more diverse and complex, significantly complicating the issues around its creation. It is increasingly important to improve and maintain infrastructure services for a long time. Therefore, this study uses an automated approach in which digital policies and strategies are represented as...
This paper presents a digital hearing aid chip designed for Mandarin user to enhance speech quality and intelligibility. The hearing aid consists of an 18 subbands analysis and synthesis filter bank, insertion gain stage, and three channels wide dynamic range control for the new Mandarin-specific auditory compensation algorithm. A noise reduction block based on multiband spectral subtraction and enhanced...
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