| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a sound erroneous detection discrimination device, a sound erroneous detection discrimination system, a sound erroneous detection discrimination method and a program that can improve accuracy of sound recognition in various noise environments. <P>SOLUTION: The sound erroneous detection discrimination device comprises: an input signal acquisition section acquiring a plurality of sound signals recording surrounding sound including sound from a sound source in a prescribed direction through a plurality of microphones; a recognition result acquisition section acquiring a recognition result including sound section information showing sound sections of the sound signals detected as a result of sound recognition based on the sound signals; an arrival rate calculating section calculating a sound arrival rate showing a rate of sound from the prescribed direction occupied in the surrounding sound in a unit time based on the signal and the prescribed direction for each unit time of the plurality of sound signals; and an error detection section detecting whether or not the sound section information is erroneous detection based on the recognition result and the sound arrival rate. Accordingly, erroneous detection in the sound section by sound recognition can be discriminated. <P>COPYRIGHT: (C)2013,JPO&INPIT |
