1. 毕业设计（论文）的内容和要求

变声在导航、安保、导游等生活的方方面面有着广泛的需求，本毕业设计实现ios平台的变声系统。

本设计要求包括四个模块，分别是原声音参数特征分析和提取、目标声音的参数特征的提取、原声音和目标声音的匹配、原声音到目标声音参数映射等模块。

原声音和目标声音的参数特征分析和提取主要分析声音的能量、音质、音频等先关参数；原声音和目标声音的匹配实现声音特征参数的匹配；原声音到目标声音参数映射实现对原声音的变声。

2. 参考文献

[1] X. Serra, ”Musical Sound Modelling with Sinusoids plus Noise,” in Musical Signal Process., C. Roads, S. Pope, A. Piccialli, and G. DePoli, Eds.. Lisse, The Netherlands: Swets Zeitlinger, 1997, pp.91#8211;102. [2] Y. Ding and X. Qian, ”Processing of musical tones using a combined quadratic polynomial-phase sinusoid and residual (QUASAR) signal model,” J. Audio Eng. Soc., vol. 45, no. 7, pp. 571#8211;584, Jul. 1997. [3] K. Fitz, L. Haken, and P. Christensen, ”A new algorithm for bandwidth association in bandwidth-enhanced additive sound modeling,” in Proc. 2000 Int. Comput. Music Conf., Berlin, Germany, Sep. 1, 2000, pp. 384#8211;387. [4] P. Polotti and G. Evangelista, ”Multiresolution sinusoidal stochastic model for voiced-sounds,” in Proc. COST G-6 Conf. Digital Audio Effects, Limerick, Ireland, Dec. 6#8211;8, 2001, pp. 120#8211;124. [5] S. N. Levine and J. O. Smith, ”A Sines transients noise audio representation for data compression and time/pitch scale modifications,” in Proc. 105th Convention Audio Eng. Soc., San Francisco, CA, Sep. 26#8211;29, 1998, preprint 4781. [6] M. Goodwin, ”Residual modeling in music analysis-synthesis,” in Proc. IEEE Int. Conf. Acoust., Speech, Signal Process., Atlanta, GA, May 7#8211;10, 1996, vol. 2, pp. 1005#8211;1008. [7] H. Purnhagen and N. Meine, ”HILN#8212;The MPEG-4 parametric audio coding tools,” in Proc. 2000 IEEE Int. Symp. Circuits Syst., Geneva, Switzerland, May 28#8211;31, 2000, vol. 3, pp. 201#8211;204. [8] R. Hendriks, J. Jensen, and R. Heusdens, ”Perceptual linear predictive noise modelling for sinusoid-plus-noise audio coding,” in Proc. IEEE Int. Conf. Acoust., Speech, Signal Process., Montreal, QC, Canada, May 17#8211;21, 2004, vol. 4, pp. 189#8211;192. [9] K. Hamdy, M. Ali, and A. Tewfik, ”Low bit rate high quality audio coding with combined harmonic and wavelet representations,” in Proc. 1996 IEEE Int. Conf. Acoust., Speech, Signal Process., Atlanta, GA, May 7#8211;10, 1996, vol. 2, pp. 1045#8211;1048. [10] E. Zwicker and H. Fast, Psychoacoustics, ser. Facts and Models Information Sciences Series. New York: Springer-Verlag, 1999. [11] T. S. Verma and T. H. Y. Meng, ”Time scale modification using a Sines transient noise signal model,” in Proc. Digital Audio Effect Workshop, Barcelona, Spain, 1998, pp. 49#8211;52. [12] #8212;#8212;, ”Extending spectral modeling syntesis with transient modeling synthesis,” Comput. Music J., vol. 24, no. 2, pp. 47#8211;49, 2000. [13] S. N. Levine and J. O. Smith, ”A switched parametric and transform coder,” in Proc. IEEE Int. Conf. Acoust., Speech, Signal Process., Phoenix, AZ, Mar. 15#8211;19, 1999, vol. 2, pp. 985#8211;988.

3. 毕业设计（论文）进程安排

2015-12-15～2016-12-30，提交开题报告； 2016-1-1～2016-1-22，熟悉毕设所用到的开发工具； 2016-3-10～2016-4-15，项目开发； 2016-4-15～2016-4-20，中期检查，进行中期小结； 2016-4-20～2016-4-30，项目完善、测试及收尾； 2016-5-1～2016-5-15，书写毕业论文； 2016-5-15～2016-5-31，毕业论文等文档的修改； 2016-6-1～2016-6-13，准备答辩；