Algorithmic Exploration of American English Dialects | IEEE Conference Publication | IEEE Xplore

Algorithmic Exploration of American English Dialects


Abstract:

In this paper, we use a novel algorithmic approach to explore dialectal variation in American English speech. Without the need for human phonemic annotations, we are able...Show More

Abstract:

In this paper, we use a novel algorithmic approach to explore dialectal variation in American English speech. Without the need for human phonemic annotations, we are able to use an existing corpus transcribed in text form only. Our results show that, in general, American English dialects can be divided into two larger groups: dialects of the South (Texas to North Carolina except for peninsular Florida), and the rest of the country. Our results confirm some well-known results from dialectology, such as the pin-pen merger, but show that some other ones, such as the cot-caught merger, may be losing their isogloss boundaries. Moreover, we demonstrate that our algorithm can extend to dialectal features in other languages.
Date of Conference: 04-08 May 2020
Date Added to IEEE Xplore: 09 April 2020
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Conference Location: Barcelona, Spain
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1. INTRODUCTION

Speech is varied and diverse; and it largely depends on the geographical and social dialectal features of the speaker. Speech recognition systems are mostly trained using mainstream or standard language data, and therefore they frequently show decreased accuracy when recognizing utterances that diverge from the standard form [1]. A growing body of research has begun to investigate this problem, such as vowel variation in French-Algerian Arabic [2], lenition of voiced stops and coda /s/ in Spanish [3], and regional variation of /r/ in Swiss German [4].

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