An analysis of the first Blizzard Challenge, which is an evaluation of speech synthesisers using a common database.
Benoît et al: The SUS test
A method for evaluating the intelligibility of synthetic speech, which avoids the ceiling effect.
Clark et al: Statistical analysis of the Blizzard Challenge 2007 listening test results
Explains the types of statistical tests that are employed in the Blizzard Challenge. These are deliberately quite conservative. For example, MOS data is correctly treated as ordinal. Also includes a Multi-Dimensional Scaling (MDS) section that is not as widely used as the other types of analysis.
King: Measuring a decade of progress in Text-to-Speech
A distillation of the key findings of the first 10 years of the Blizzard Challenge.
Mayo et al: Multidimensional scaling of listener responses to synthetic speech
Multi-dimensional scaling is a way to uncover the different perceptual dimensions that listeners use, when rating synthetic speech.
Norrenbrock et al: Quality prediction of synthesised speech…
Although standard speech quality measures such as PESQ do not work well for synthetic speech, specially constructed methods do work to some extent.
Taylor – Section 17.2 – Evaluation
Testing of the system by the developers, as well as via listening tests.
