Patent ID: 6249759
Filing Date: 2001-06-19
Classification: G10L,H04M

Abstract:
A communication apparatus provided with a speed input device, comprising:a first memory storing a plurality of predetermined code vectors, each of the code vectors comprising a code first part and a code second part,the code first part corresponding to one of plural genus speech characteristics and the code second part corresponding to a species voice feature of the one genus speech characteristic;a speech encode for coding an input speech signal input by the speech input device to produce coded speech data by referring to the plurality of predetermined code vectors stored in the first memory, each of the coded speech data comprising a speech first part and a speech second part,the speech first part corresponding to a single one of the plural genus speech characteristics and the speech second part corresponding to one of the species voice features of the single one genus speech characteristic;a second memory storing registered speech data that has been produced from a predetermined speech signal by the speech encoder;a detector for detecting a matching level between the registered speech data and the coded speech data; anda determiner for determining whether the coded speech data is true or false by comparing the matching level with a predetermined criterion.