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I would like the proposers to take a pass through the citation and define or reevaluate the use of acronyms. The plaque should be accessible to members of the public who may not know what all terms mean.
Thank you very much for your comments. I agree with your opinion and tried to avoid acronyms. I am now proposing the following citation: --- Line Spectrum Pair, invented at NTT in 1975, is an important technology for speech synthesis and coding. A speech synthesizer chip was designed based on Line Spectrum Pair in 1980. In the 1990's, this technology was adopted in almost all international speech coding standards as an essential component and has contributed to the realization of digital speech communication over mobile channels and the internet worldwide. ---