Papers and Books

1. Hongfei Ma, Yu Xia, Zehua Guo, “New type psychoacoustic model with low complexity”, Journal of Xidian University, Vol.37, No.5, pp.842-845, 878, Oct., 2010. (In Chinese)
2. Hongfei Ma, Xiaochuan Guo, Yujie Xia, Donglei Liang, “High Frequency Residue Replication For Audio Compression”, IET International Communication Conference on Wireless Mobile & Computing, pp.245-248, Dec 7-9, 2009, Shanghai, China.
3. Hongfei Ma, Jing Xiong, Yajun Xu, Donglei Liang, “Packet Loss Concealment For Speech Transmission Based on Compressed Sensing”, IET International Communication Conference on Wireless Mobile & Computing, pp.327-330, Dec 7-9, 2009, Shanghai, China.
4. Hongfei Ma, Donglei Liang, Xinyuan Wang, Chuan Fang, “ Anti Packet Loss Audio Coding Applicable to Mobile Ad Hoc Networks”, International Conference On Advanced Infocomm Technology, Proceeding on CD-ROM, 7-9 July 2009, Xi’an, China.
5. Hongfei Ma, Xiaofeng Hao, Qian Li and Shaopeng Song, “Robust Audio and Speech Coding for Mobile and IP Network Applications”, International conference on audio, language and image processing, Vol.1, pp.261-266. July 7-9, 2008, Shanghai, China.
6. Hongfei Ma, Weidong Zhang and Changxin Fan, "A Variable Bit-Rate Audio Coding Algorithm Controlled by Desired Quality", Journal of Electronics of China, Vol.22, No.6, Nov. 2000. (In Chinese)
7. Hongfei Ma, Changxin Fan and Gouxinag Song, "Study on Algorithms of Low Bit Rate Hi-Fi Audio Coding Based on Wavelet Transform and Psycho-acoustic Model", Acta Electronica Sinica, Vol.28, No.1, Jan.2000. (In Chinese)
8. Hongfei Ma, Kaidong Wang and Gouxinag Song "Research on Algorithm of Wavelet Transform Audio Coding", Journal of Circuits and Systems of China, pp.98-102, Vol.3, No.3, Sep.1998. (In Chinese)
9. Hongfei Ma, Changxin Fan and Gouxinag Song, "Wide-Band Speech Coding Algorithm Based on M-Band Wavelet Transform", Journal of China Institute of Communications, pp.20-25, Vol.19, No.6, June 1998. (In Chinese)
10. Hongfei Ma, Changxin Fan, Guoxiang Song, "Algorithm of Adaptive Bit Allocation Wavelet Transform Audio Coding", Journal of China Institute of Communication, pp.80-83, Vol.19, No.5, May 1998.
11. Hongfei Ma, Changxin Fan, “Wavelet Transform Coding of Digital Audio Signal”, Journal of Xidian University, pp.30-33, Dec.1997, Vol.24 Sup..
12. Hongfei Ma, Henghui Li and Changxin Fan, "Speech Analysis by the method of Energy Operator", Journal of Xidian University, Vol.24, No.1, Mar. 1997. (In Chinese)
13. Hongfei Ma, Changxin Fan, "An 8000 bit/s Speech Coder with Ternary Vector Sum Excitation", Journal of Xidian University, Vol.22, No.5, Dec. 1995.
14. Dusheng Wang, Hongfei Ma and Changxin Fan, "Speech Navigation System for Pilots", 4th National Telecommunication Academic Conference of youth, Oct. 1994. (In Chinese)
15. Hongfei Ma and Changxin Fan, "A Method to Encode Speech at 1200 bps", Journal of Xidian University, Vol.20 Sup, Dec. 1993.
16. Changxin Fan and Hongfei Ma, "A Fast Algorithm for LSP Encoding in Real Time", International Symposium on Information Theory and its Application, Nov. 1990. Hawaii, USA.
17. Peitao Shao, Jiaan Wu, Hongfei Ma, “A New Hybrid Coding for Speech at 4.8 kbps”,     International Conference on Signal Processing, Oct. 22-26, 1990, Beijing, China, pp.425-428
18. Hongfei Ma, Dusheng Wang and Changxin Fan, "Design and Implementation of a Robust 2.4 kbps HQ-LSP Vocoder", International Conference on Signal Processing, Oct. 1990, Beijing, China.
19. Hongfei Ma and Changxin Fan, "Hybrid Quantization Line Spectrum Pair Vocoder", Journal of China Institute of Communication, Vol.11, No.4, July 1990. (In Chinese)
20. Lin Fa, Haiyun Wang, Hongfei Ma, “Sonic array transmitting, receiving sondes and signal processing of received waves”, International Well Logging Symposium Transactions, May 28-30, 1990.Beijing, China. pp.DD.1-DD.22.
21. Changxin Fan, Cheng Tao and Hongfei Ma, "Implementation of LSP Encoding in Real Time", International Conference on Signal Processing, April 1990, Riga, USSR.
22. Changxin Fan and Hongfei Ma, "Comprehensive Improvement in Low Bit Rate Speech Coding", IEEE Global Telecommunication Conference, Nov. 1989, Dallas, USA.
23. Cheng Tao and Hongfei Ma, "LSP Variable-Step Algorithm and its Hardware Implementation", Conference on Information Theory and Telecommunication, Oct. 1989. Qingdao, China. (In Chinese)
24. Hongfei Ma and Changxin Fan, "Adaptive Filtering Vocoder", National First Conference on Military Telecommunication, Nov. 1988. Guangdong, China. (In Chinese)