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P905 AQUAVIT - Assessment of Quality for Audio-Visual signals over Internet and UMTS
|TI1||Relationships between subjective evaluations, objective predictions and system parameter values|
|Issue date:||March 2001|
|Confidentiality:||for full publication|
Main report and annexes (108 pages)
describes the design and results for subjective and objective quality tests, as well as
between those measures, and between quality test results and specific network parameters.
Subjective as well as objective tests were designed to use the same set of source audio-visual signals for all tests.
The test signals were processed using simulations of both IP and UMTS packet based networks.
Subjective tests were carried out to assess the transmission quality
using specific methods for speech, audio, video
The analysis of relationships shows consistent results for the
correlation between subjective and objective speech quality
should be interesting to managers, researchers and experts in standards bodies, as well as
experts on subjective quality evaluation.