Used for low bit rate harmonic speech coding. The 9th European Speech Conference
Communication and Technology (Inerspeech2005), Lisbon, 2005.9, 2709~27 12.
2. Bao Changchun and Qi. A new voice activity detection algorithm
Based on competitive network. IEEE international conference on intelligent computing
(ICIC'05), Hefei, August 2005, 133~ 139.
3. Li Haiting, Bao Changchun. Fast search algorithm for codebook of line spectrum frequency parameters based on hadfield transform. China electronic
Proceedings of the 1 1 Annual Youth Academic Conference: Theory and Application of Information and Electronic Technology, 792~795, Xinhua Publishing House,
September 2005, Jinan. (Excellent papers of this annual meeting)
4. Liu Zexin, Bao Changchun. Improved neural network method for solving speech linear prediction coefficient. Eleventh session of Chinese Institute of Electronics
Proceedings of the first annual youth academic conference: theory and application of information and electronic technology,1192 ~1195, Jinan Xinhua publishing house,
2005.9.
5. Changchun Bao, Jason Lucas and Christian Ritz. High quality harmonic excitation
2 kb/S linear predictive speech coding. The 4th International Symposium on Chinese Language
Oral Processing (ISCSLP2004), Hong Kong, 2004. 12, 149- 152.
6. Jing Li and Bao Changchun. Quantization of SEW and REW Amplitudes of 2kb/s Waveforms
Interpolation speech coding. The 4th International Symposium on Spoken Chinese
Processing (ISCSLP2004), Hong Kong, 2004. 12, 14 1- 144.
7. Bai and Bao Changchun. An improved 4 kb/s CELP speech coding algorithm. this
The 4th International Symposium on Spoken Chinese Processing, Hong
Kong, 2004. 12, 153- 156.
8. Qi and Bao Changchun. A novel two-step SVM classifier
The voiced/unvoiced/unvoiced classification of speech. The 4th International Symposium
Oral Chinese Processing (ISCSLP2004), Hong Kong, 2004. 12, 77-80.
9. Wang Gui Pinghe Bao Changchun. Low complexity decomposition of features
Voice signal waveform. The 4th International Symposium on Spoken Chinese
Processing (ISCSLP2004), Hong Kong, 2004. 12, 145- 148.
10. Bai, Bao Changchun. Fast search algorithm for codebook of line spectrum frequency parameters. The 10th Youth Research Association of China Institute of Electronics.
Proceedings of the Annual Meeting of Institute of Technology: Theory and Application of Information and Electronic Technology, 124~ 127, China Federation of Literary and Art Circles Press, Beijing, September 2004.
(Excellent papers of this annual meeting)
1 1., Bao Changchun, Qi. Voice activity detection algorithm based on LVQ. The 10th Young Scholars of Chinese Institute of Electronics.
Proceedings of the annual conference: theory and application of information and electronic technology, 145~ 148, China Federation of Literary and Art Circles Press, Beijing, September 2004.
12. Luo Yafei, Bao Changchun. Performance comparison of several pitch detection algorithms. Papers of the 10th Annual Youth Academic Conference of Chinese Institute of Electronics.
Collection: Theory and Application of Information and Electronic Technology, 153~ 157, China Federation of Literary and Art Circles Press, Beijing, September 2004.
13. Sinus, Bao Changchun. Research on fast algorithm for solving frequency parameters of line spectrum. The 10th Annual Youth Academic Conference of Chinese Institute of Electronics.
Collection: Theory and Application of Information and Electronic Technology, 140~ 144, China Federation of Literary and Art Circles Press, Beijing, September 2004.
14. Fan Rui, Bai, Bao Changchun. Real-time implementation of 4kb/s speech coding algorithm based on Windows platform. China electronic
Proceedings of the 10th Annual Youth Academic Conference: Theory and Application of Information and Electronic Technology, 158~ 16 1, China Federation of Literary and Art Circles Press,
September 2004, Beijing.
15. Jia, Bao Changchun. Analysis of VoIP AMR codec based on NS. future
Telecommunication conference, Beijing, 2003, 477-48 1.
16. Jing Li and Bao Changchun. 2kb/s enhanced waveform interpolation speech coder, 2004.
The 7th International Conference on Signal Processing, Beijing, August, 2004, pp. I-598~I-60 1,
Electronic Industry Press, Beijing.
17. Bao Changchun. 2.3kb/s harmonic excitation LPC (HE-LPC) speech coding, IEEE
International Conference on Acoustic Speech and Signal Processing (ICASSP2003), Hong
Kong, 2003, pp. I-784~I-787.
18. Jing Li and Bao Changchun. Pitch detector based on dyadic wavelet transform
Autocorrelation Function, 6th International Conference on Signal Processing, 2002, p. 10.
I-4 14~I-4 17, Beijing, 2002, Posts and Telecommunications and Information Center; Telecom Press.
19. Yellow River and Bao Changchun. A low delay robust pitch detection algorithm. The 9th National Academic Annual Conference on Signal Processing
(CCSP-99) Essays: Signal Processing, Volume 15 Supplement, 167 ~ 17 1, 1999, Beijing.
20. Li Zhuo Bao Changchun. An efficient and transparent vector quantizer for line spectrum frequency parameters. The 9th National Academic Conference on Signal Processing
Proceedings of the Annual Conference (CCSP-99): Signal Processing, Volume 15 Supplement, 154~ 158, 1999, Beijing.
2 1. Zhu Nana, Bao Changchun, Li Liang. An effective method to reduce the complexity of waveform interpolation. The 8th Youth of Chinese Institute of Electronics.
Proceedings of the annual academic conference on the theory and application of modern information technology, 40 1~405, August 2002, Hefei, China Science.
University of technology press.
22. Yellow River, Bao Changchun. Pitch detection algorithm based on harmonic sine wave speech synthesis model. The 7th Annual Meeting of Chinese Institute of Electronics
Proceedings of the annual academic conference on information technology and digital network, 79 ~ 82,2001August, Beijing Radio, Xinjiang.
University press. (Excellent papers of this annual meeting)
23. Li Liang and Bao Changchun. Efficient quantization method of line spectrum frequency parameters based on time warp. Eleventh national signal bureau
CCSP proceedings -03: signal processing, volume 19 supplement, 105~ 108, Dalian, 2003 (this.
Excellent papers at the annual meeting)
monograph
Bao Changchun. Fundamentals of low bit rate digital speech coding, Beijing University of Technology Press, March 5438+0, 2006.
authorized strength
Bao Changchun, Wu Lifang, Zhao Yao, Theory and Application of Information and Electronic Technology, 10th Annual Youth Academic Conference of Chinese Institute of Electronics.
Essay, China Federation of Literary and Art Circles Press, September 2004.
patent of invention
2.3 kb/s harmonic excitation linear predictive speech coding method (inventor: Bao Changchun; Patent number: ZL02 1566777. 1+0, 2005.
65438+10 month)
Academic activities
1, 9th National Conference on Signal Processing (CCSP'99), 2 papers read out, 199 10, Beijing.
2. The 6th Annual Youth Academic Conference of Chinese Institute of Electronics (CIE-YC'2000), leader of signal processing group, August 2000.
Wuxi.
3. Leader of the signal processing group of the 7th Annual Youth Academic Conference of the Chinese Institute of Electronics (CIE-YC' 200 1), read the paper.
1 paper (rated as excellent paper), 200 1.8, Urumqi.
4. 10th National Academic Conference on Signal Processing (CCSP'200 1), member of the organizing committee, 20011.
5. In 2002, Chairman of the 8th Annual Youth Academic Conference of the Chinese Institute of Electronics (CIE-YC'2002), read a paper 1 article.
August 2002, Hefei.
6. Member of the Project Committee of the 6th International Conference on Signal Processing (ICSP-2002), Chairman of the Speech Coding Group, read out.
1 paper, August 2002, Beijing.
7. Invited to attend the 2002 IEEE Speech Coding Seminar, 2002. 10, Tsukuba, Japan.
8. 11th National Academic Conference on Signal Processing (CCSP'2003), member of the organizing committee, chairman of the sub-venue, read the paper 1.
Article (rated as excellent paper), Dalian, August 2003.
9.2003 Sino-Russian Young Scientists Forum, Chairman of Information and Communication Technology Branch, June 2003165438+1October. (China Technology
Association, Chinese People's Association for Friendship with Foreign Countries, Russian Federation of Science and Engineering Societies, etc. )
10, member of the project committee of the 7th International Conference on Signal Processing (ICSP-2004), signal processing branch in communication.
Chairman Chang read 1 paper, September 2004, Beijing.
Chairman of the Project Committee of China Institute of Electronics 10 Annual Youth Academic Conference (CIE-YC'2004) 1 1 read the paper.
5 papers (1 paper rated as excellent papers), September 2004, Beijing.
12, 2004 World Congress of Engineers (WEC 2004 World Congress of Engineers), Network Engineering and Information Society.
Member of the Committee on Conference Procedures, 2004, 1 1, Shanghai.
13, the 4th international symposium on spoken Chinese.
Language processing -iscslp 2004), Hong Kong, 2004. 12, 5 papers read out.
14, 12th National Academic Conference on Signal Processing (CCSP-2005), member of the Project Committee, chairman of the sub-venue, read out the theory.
5 papers (1 paper was rated as excellent papers), August 26-28, 2005, Suzhou.
15, participated in the 9th European Speech Conference held in Lisbon, Portugal from 4 to 8 September 2005.
International Conference on Communication and Technology (Inter Speech 2005), with 1 papers read.
16, August 23-26, 2005, attended the international conference on intelligence in Hefei.
International Computing Conference (ICIC'2005), read 1 paper.
Chinese Institute of Electronics 1 1 Chairman of the Project Committee of the Annual Youth Academic Conference (CIE-YC'2005) 17 read out the theory.
Two papers (1 paper was rated as excellent papers), September 2005, Jinan.