608 車内騒音環境下における圧電スピーカの音声明瞭度

抄録

The purpose of this study is to analyze the relation between the syllable articulation and the sound characteristics of the reproduced sound by various speakers under car interior noise. The syllable articulation of piezoelectric speakers and dynamic speakers were compared. These articulation evaluations were carried out in an actual automobile. Results showed that the consonant articulation of the reproduction sound that the consonant is loud, and the frequency characteristics is near the input signal is higher than each speaker. It was found that long sustained consonants with rich high frequency content showed high articulation in car interior noise.