Automatic Disclosure of Discrepancies of Variant Readings and Potentially Possible Errors in the Texts of the Dvoyeznammeniks

Irina V. Bakhmutova, Vladimir D. Gusev, Tatiana N. Titkova


Detection of linguistic errors of any kind is based on concepts of a certain “norm” with existent “deviations from the norm”. Insignificant deviations are usually interpreted as cases of acceptable variability whereas abnormal deviations can be interpreted as potentially possible errors or (in the cases of their regular occurrences) discrepancies or alternate readings which are caused by numerous and not always explicable exceptions to the rules. In the process of formation of the electronic alphabet of the znamenny chant (the pre-18th century Russian plainchant) on the basis of the Dvoyeznamenniks (early Russian manuscripts with two kinds of notation – in the znamenny chant notation and the contemporary transcription) of the end of 17th and beginning of the 18th centuries, the authors developed and realized a computer-based technique for detecting abnormal deviations in the interpretation of znamenny chant using such parameters as the frequency of occurrence of the concrete interpretation, the quantity and duration of sounds in the plainchant, the character of the pitch line movement, etc. The detected anomalies have been systematized, and the most probable mechanisms of their origin have been examined. The obtained results can be conducive toward improving the quality of reconstruction of the znamenny chant into contemporary notation.

Keywords: znamenny chant, Dvoyeznamenniks, computer analysis of the Dvoyeznamenniks, electronic alphabet of the znamenny chant

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