Study on Acoustic Features of Laying Hens Vocalization

摘要：

In this paper, vocalizations of laying hens (Hyline Brown) were focused. An experiment was designed to obtain acoustic features of laying hens with different ages: 35days-old, 95days-old and 125daysold. Vocalizations were recorded by the microphone MPA201. Analysis was done by some analytical software in order to gain time-domain features and frequencydomain properties of laying hens sound. The duration time, pitch frequency, formant track and spectrums of vocalizations were all included. Results showed that some characteristics of vocalizations of laying hens with different ages were dissimilar when under given state. It was proved that the vocalization of laying hens could be recognized and identified.

关键词： vocalizations spectrums laying hens time structure

作者: Ligen Yu Guanghui Teng Zhizhong Li Xuming Liu

作者单位: Key Laboratory of Agricultural Engineering in Structure and Environment,China Agricultural Universit Beijing DQY Agricultural Technology Ltd., 100081 Beijing, P.R. China

会议类型: 国际会议

会议名称: The 4th IFIP International on Computer and Computing Technologies in Agriculture and the 4th Symposium on Development of Rural Information(第四届国际计算机及计算机技术在农业中的应用研讨会暨第四届中国农业信息化发展论坛 CCTA 2010)

会议地点: 南昌

会议语种:英文

页码: 704-709

在线出版日期: 2010-10-22（万方平台首次上网日期，不代表论文的发表时间）