To provide a voice code converting device capable of converting a voice code by a 1st voice encoding system into a voice code by a 2nd voice encoding system in which any data is embedded.
The device includes a code table 15 in which two or more algebra codes, based on the 2nd voice encoding system, which become conversion candidates of algebra codes composing a 1st voice code are stored; a limitation part 13 for limiting the conversion candidates by limiting two or more algebra codes stored into an algebra table to one or more algebra codes having the same values at predetermined positions as values of embedding data to be embedded into a 2nd voice code; and a decision part 26 for deciding element codes corresponding to conversion destinations from limited conversion candidates.
OTA TAKASHI
SUZUKI MASANAO
TSUCHINAGA YOSHITERU
Hidemi Matsukura
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