Vor Ort
Merkzettel Warenkorb
  • Produktbild: Assessment and Prediction of Speech Quality in Telecommunications
  • Produktbild: Assessment and Prediction of Speech Quality in Telecommunications
- 12%

Assessment and Prediction of Speech Quality in Telecommunications

12% sparen

139,99 € UVP 160,49 €

inkl. gesetzl. MwSt., Versandkostenfrei

Beschreibung

Produktdetails

Einband

Gebundene Ausgabe

Erscheinungsdatum

31.08.2000

Abbildungen

XX, 244 p.

Verlag

Springer Us

Seitenzahl

244

Maße (L/B/H)

24,1/16/2 cm

Gewicht

571 g

Auflage

2000

Sprache

Englisch

ISBN

978-0-7923-7894-5

Beschreibung

Produktdetails

Einband

Gebundene Ausgabe

Erscheinungsdatum

31.08.2000

Abbildungen

XX, 244 p.

Verlag

Springer Us

Seitenzahl

244

Maße (L/B/H)

24,1/16/2 cm

Gewicht

571 g

Auflage

2000

Sprache

Englisch

ISBN

978-0-7923-7894-5

Herstelleradresse

Springer-Verlag GmbH
Tiergartenstr. 17
69121 Heidelberg
DE

Email: ProductSafety@springernature.com

Noch keine Bewertungen vorhanden

Verfassen Sie die erste Bewertung zu diesem Artikel

Helfen Sie anderen Kundinnen und Kunden durch Ihre Meinung.

Kundinnen und Kunden meinen

Bewertungen (0)
  • Produktbild: Assessment and Prediction of Speech Quality in Telecommunications
  • Produktbild: Assessment and Prediction of Speech Quality in Telecommunications
  • 1. Introduction.- 2. Considerations on Quality.- 1. Speech Quality.- 2. Quality in the Context of Telecommunications.- 3. Factors Influencing the Quality of Service.- 1. Perceptive Factors.- 2. Configuration of a Telephone Connection.- 3. Simulation of a Telephone Connection for Quality Assessment Purposes.- 4. Classification of Transmission and Service Parameters.- 5. Summary.- 4. Quality Assessment in Telecommunications.- 1. Choice of Test Subjects.- 2. Articulation and Intelligibility Tests.- 3. Listening-Only and Conversation Opinion Tests.- 4. Performance Tests.- 5. User Surveys.- 6. Usability Evaluation.- 7. Assessment of Cost-Related Factors.- 8. Scaling.- 9. Development of Conversation Test Scenarios.- 10. Classification of Assessment Methods.- 11. Summary.- 5. Models for Predicting Speech Comm. Quality and Service-Related Models.- 1. Mouth-to-Ear Models Using Parameters in the Frequ. Domain.- 2. Mouth-to-Ear Models Using Scalar Parameters.- 3. Instrumental Models for Single Transmission Aspects.- 4. Call Set-Up and Call Completion Models.- 5. Customer Behavior Models.- 6. Application and Classification of Prediction Models.- 7. Summary.- 6. Relations between Factors Governing the Quality of Service.- 1. ‘Relative’ Quality versus ‘Absolute’ Quality.- 2. References and Normalization.- 3. Assessment in Listening-Only and Conversation Tests.- 4. Expectation.- 5. Influence of the Cost Factor.- 6. Multidimensional Assessment of Voice Transmission Quality.- 7. Existence of an Integral “Psychological Quality Scale”.- 8. Summary.- 7. Quality of Prediction Models.- 1. Prediction for Single Perceptive Types of Impairment.- 2. Prediction for Combinations of Different Types of Impairment.- 3. Impairment Factor Principle for Low-Bitrate Codecs.- 4. Prediction ofFrequency Characteristics.- 5. Measurement of the Input Parameters.- 6. Accuracy of Quality Predictions, Limitations.- 7. Summary.- 8. Final Discussion and Conclusions.- Appendices.- A- Glossary.- B- Perceptive Characteristics Resulting from New Technologies.- 1. Impact of New Technologies and Equipment.- 2. Classification for Modeling Purposes.- C- Discussion of Articulation and Intelligibility Test Methodologies.- D- Graeco-Latin-Square Test Design.- E- SCT Scenarios.- 1. Examples of SCT Scenarios.- 2. Explanations of the SCT Dialog Structure Given to the Test Subjects.- F- Closing Questionnaire Given after Laboratory Tests.- G- E-Model Algorithm.- H- Test Conditions and Results.- 1. Test Conditions of the Isopreference Test.- 2. Relation between E-Model Predictions and Test Results.- 3. Comparison of SUBMOD Model Predictions and Test Results.