Telephone Transmission Quality Research

Telephone Transmission Quality Research Output OPINE (Overall Performance Index model for Network Evaluation) [Outline]
OPINE is an objective telephone transmission performance measure, which estimates MOS (Mean Opinion Score) of the telephone transmission system, given its physical conditions.

Software OPINE

Papers on telephone transmission performance

The transaction of the IEICE (Institute of electronics, information and communication engineers
1. Naotoshi Osaka and Kazuhiko Kakehi, ``Objective evaluation model of telephone transmission performance for fundamental transmission factors,'' The trans. of the IEICE J-68-A 1, Jan. 1985 (in Japanese)
  
  * English version (scripta) Naotoshi Osaka and Kazuhiko Kakehi, ``Objective Evaluation Model of Telephone Transmission Performance for Fundamental Transmission Factors,'' Part 1, Vol.69, No. 2, '86. 2.
2. Naotoshi Osaka and Kazuhiko Kakehi, ``A study on the psychological factors that affect the opinion evaluation of telephone transmission performance,'' The trans. of the IEICE J-69-A 5, May 1986. (in Japanese)
3. Naotoshi Osaka and Kazuhiko Kakehi, ``A study on speech volume in PBX usage,'' The trans. of the IEICE J-73-A 5,May 1990. (in Japanese)
IEEE Transaction
1. Naotoshi Osaka, Kazuhiko Kakehi, Satoru Iai and Nobuhiko Kitawaki, ``Objective Model for Evaluating Talker Echo and Sidetone in Telephone Transmission System,'' IEEE Trans Communication, Vol. 40, No. 11, Nov. 1992.
International Conference
1. Naotoshi Osaka, ``Objective model for evaluating telephone transmission performance,'' The 6th FASE symposium, Sep. 1986.
2. Naotoshi Osaka,``The 6th FASE symposium,'' The journal of the acoustical society of Japan, Conference report, Apr. 1987. (in Japanese)
CCITT
NTT Electrical Communication Laboratories Technical Journal
1. Hideki Kawahara, Naotoshi Osaka and Kazuhiko Kakehi et al. ''Assessment system for Service Quality,'' NTT ECL Technical Journal Vol30, No.4, Apr. 1981. (in Japanese) 　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　
2. Naotoshi Osaka and Kazuhiko Kakehi, ''Objective evaluation model for telephone transmission performance,'' NTT ECL Technical Journal Vol. 35, No.1　Jan. 1986. (in Japanese)
Review of ECL
1. Hideki Kawahara, Naotoshi Osaka, and Seiji Isobe, ''Assessment System for Service Quality,'' Rev. of ECL, Vol29, Nos9-10, 1981. 9.
2. Naotoshi Osaka, and Kazuhiko Kakehi, ''Objective Model for Evaluating Telephone Transmission Performance,'' Rev. of ECL, Vol36, No.4 1986. 5.
The proceeding of the Acoustical Society of Japan (The Proc. of ASJ)
1. Naotoshi Osaka and Kazuhiko Kakehi, ``Estimation of mean opinion score for loudness loss and noise on telephone voice,'' The Proc. of ASJ, Spring '79 4-2-10 Jun. 1979. (in Japanese)
2. Naotoshi Osaka and Kazuhiko Kakehi, ``Assessment of transmission quality on telephone line,'' The Proc. of ASJ, Fall '79 3-2-13, Oct. 1979. (in Japanese)
3. Naotoshi Osaka and Kazuhiko Kakehi, ``Transmission quality and speech volume on field telephone line,'' The Proc. of ASJ, Fall '80 2-1-18, Oct. 1980. (in Japanese)
4. Naotoshi Osaka and Kazuhiko Kakehi, ``Frame of reference on opinion evaluation tests,'' The Proc. of ASJ, Sprint '81 1-7-15, May. 1981. (in Japanese)
5. Naotoshi Osaka and Kazuhiko Kakehi, ``Evaluation characteristics on field opinion tests,'' The Proc. of ASJ, Fall '81 1-3-10 Oct. 1981. (in Japanese)
6. Naotoshi Osaka and Kazuhiko Kakehi, ``study on an objective evaluation model of att./frequency distortion,'' The Proc. of ASJ, Fall '82 2-3-6 Mar. 1982. (in Japanese)
7. Naotoshi Osaka and Kazuhiko Kakehi, ``A study on telephone transmission performance prediction model,'' The Proc. of ASJ, Fall '82 2-6-10. Oct. 1982, (in Japanese)
8. Naotoshi Osaka and Kazuhiko Kakehi, ``Relation among opinion scores in various test styles,'' The Proc. of ASJ, Spring '83 2-7-10, Mar. 1983. (in Japanese)
9. Naotoshi Osaka, Kazuhiko Kakehi and Nobuhiko Kitawaki, ``Evaluation characteristics on opinion tests,'' The Proc. of ASJ, Fall '83 2-3-17, Oct. 1983. (in Japanese)
10. Naotoshi Osaka, Nobuhiko Kitawaki and Satoru Iai, ``Total evaluation of telephone transmission performance with talker echo,'' The Proc. of ASJ Fall '84, 1-1-22, Oct. 1984. (in Japanese)
11. Naotoshi Osaka and Nobuhiko Kitawaki, ``An evaluation model of telephone transmission performance for talker echo and sidetone,'' The Proc. of ASJ Spring '85 3-5-2, Mar. 1985. (in Japanese)
12. Naotoshi Osaka, ``Comparison of OPINE, evaluation model of telephone transmission performance with TR model,'' The Proc. of ASJ Spring '91, Mar. 1991. (in Japanese)
The proceeding of IEICE (Institute of electronics, information and communication engineers
1. Naotoshi Osaka and Kazuhiko Kakehi, ``Statistical characteristics of conversation volume in PBX,'' The proc. of IEICE '81 105, Mar. 1981 (in Japanese)
2. Naotoshi Osaka and Kazuhiko Kakehi, ``Objective telephone transmission performance model for fundamental factors and its applicable range,'' The proc. of IEICE '83, 1640, Mar. 1983. (in Japanese)
Transaction of the committees, The Acoustical Society of Japan
1. Naotoshi Osaka and Kazuhiko Kakehi,``Opinion evaluation characteristics on field and laboratory tests,'' Trans. of the committee on hearing research, The Acoustical Society of Japan, H-82-24, Mar. 1982. (in Japanese)
2. Naotoshi Osaka and Kazuhiko Kakehi, ``Transmission performance objective evaluation model for fundamental factors,'' Trans. of the committee on speech research, The Acoustical Society of Japan, S-83-09, May 1983. (in Japanese)
3. Naotoshi Osaka, ``An evaluation model of telephone transmission performance for fundamental factor and quantizing distortion,'' Trans. of the committee on hearing research, The Acoustical Society of Japan, H-84-23, June 1984. (in Japanese)
Internal Documents
1. Naotoshi Osaka and Kazuhiko Kakehi, ``A Study on an estimation model of subjective telephone transmission performance,'' Technical Report No. 10097, Dec. 1980. (in Japanese)
2. Naotoshi Osaka and Kazuhiko Kakehi, ``Problems of Opinion evaluation test,'' Technical Report No. 10874, Mar. 1982. (in Japanese)
3. Naotoshi Osaka and Kazuhiko Kakehi, ``The Field evaluation characteristics of telephone transmission performance by ASQ,'' Technical report. No. 18161, Mar. 1982. (in Japanese)
4. Naotoshi Osaka and Kazuhiko Kakehi, ``Objective evaluation model of telephone transmission performance for fundamental transmission factors,'', Technical Report 21105, Dec. 1980. (in Japanese)
5. Naotoshi Osaka, Nobuhiko Kitawaki and Kazuhiko Kakehi, ``Objective evaluation model for telephone transmission quality,'' -Psychological performance index linear addition model (OPINE)-'', Basic Technical Documents, Sep. 1985. (in Japanese)

Others

Naotoshi Osaka and Katsuhiko Shirai, ``Extraction of Individuality from vowels,'' The Proc. of ASJ Fall 3-1-9, Oct. 1977. (in Japanese)

Last update: May 29, 2004.

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