Modeling of Block-Based DSP Systems | Zendy

Dong-Ik Ko | Zendy; Shuvra S. Bhattacharyya | Zendy

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Modeling of Block-Based DSP Systems

Author(s) -

Dong-Ik Ko,

Shuvra S. Bhattacharyya

Publication year - 2005

Publication title -

the journal of vlsi signal processing systems for signal image and video technology

Language(s) - English

Resource type - Book series

eISSN - 1573-109X

pISSN - 0922-5773

ISBN - 0-7803-7795-8

DOI - 10.1007/s11265-005-5265-3

Subject(s) - dataflow , digital signal processing , computer science , encoder , block (permutation group theory) , context (archaeology) , data flow diagram , semantics (computer science) , computer hardware , computer architecture , programming language , computer engineering , embedded system , operating system , database , paleontology , geometry , mathematics , biology

Modeling semantics based on dataflow graphs are used widely in design tools for digital signal processing (DSP). This paper develops efficient techniques for representing and manipulating block-based operations in dataflow-based DSP design tools. In this context, a block refers to a finite-length sequence of data items, such as a sequence of speech samples, an image, or a group of video frames, as part of an enclosing data stream. We develop in this paper a meta-modeling technique called blocked dataflow (BLDF) for augmenting DSP design tools with more effective blocked data support in an efficient and general manner. We compare BLDF against alternative modeling approaches through a detailed case study of an MPEG 2 video encoder system.

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