Zerhan Yüksel Can, Ezgi Türk Gürkan

A Study on Determination of Turkish Adjective Pairs for Speech Sound

PurposeDisagreement between the designer and the audience causes creation of acoustically uncomfortable spaces, eventually these disagreements cause financial loss. To describe a phenomenon with the same modifier is the key to settle the conflict. It is very important to reveal acoustic conditions and it is necessary to use a common terminology for this purpose.To this end subjective evaluation studies are frequently used, especially in terms of room acoustics.To define sound via adjective and adjective pairs is a method used in determining architectural acoustic conditions in halls, mostly used for music-function hallsbutsubjective evaluation studies are not common for speech-function halls.Turkish adjectives for speech sound that determine audience preferences are missing. Adjectives obtained from translations of different languages do not show the same descriptive effect in a specific language. Therefore, it is important to identify adjectives that define sound for each language. Design/Methodology/ApproachIn order to determine the Turkish adjectives that define the speech sound, which are absent from the literature, a two-step survey was performed.Sets of modifiers associated with acoustics parameters -reverberation, clarity and loudness-were prepared, that include direct translations from common English modifiers as well as Turkish modifiers that were derived from expert opinion. These sets of adjectives were then presented to the subjects and they were asked to make choices among them.FindingsThe results of survey where modifiers defining speech sound are assessed are presented. The results show that some are unsuitable in Turkish despite the same word is used in subjective evaluations in English often. Based on the survey results, a questionnaire can be prepared for determiningtheuserpreferencesinspeech-functionhallsto increasetheacousticcomfort conditions.Research Limitations/ImplicationsNeed of explaining the room acoustics parameters to thesubjects.Social/Practical ImplicationsIt is thought that the questionnaire text will benefit the increase of the acoustic comfort conditions in the new and / or existing buildingsand reduce economic loss.Originality/ValueThis study is the first research which examines Turkish adjectives to describe speech sound.

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