Abdelali, Ahmed

Ali, Ahmed

Choukri, Khalid

Glass, James

Mubarak, Hamdy

Renals, Steve

Samih, Younes

Shon, Suwon

English

This paper describes the fifth edition of the Multi-Genre Broadcast Challenge (MGB-5), an evaluation focused on Arabic speech recognition and dialect identification. MGB-5 extends the previous MGB-3 challenge in two ways: first it focuses on Moroccan Arabic speech recognition; second the granularity of the Arabic dialect identification task is increased from 5 dialect classes to 17, by collecting data from 17 Arabic speaking countries. Both tasks use YouTube recordings to provide a multi-genre multi-dialectal challenge in the wild. Moroccan speech transcription used about 13 hours of transcribed speech data, split across training, development, and test sets, covering 7-genres: comedy, cooking, family/kids, fashion, drama, sports, and science (TEDx). The fine-grained Arabic dialect identification data was collected from known YouTube channels from 17 Arabic countries. 3,000 hours of this data was released for training, and 57 hours for development and testing. The dialect identification data was divided into three sub-categories based on the segment duration: short (under 5s), medium (5–20s), and long (&gt;20s). Overall, 25 teams registered for the challenge, and 9 teams submitted systems for the two tasks. We outline the approaches adopted in each system and summarize the evaluation results

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The MGB-5 Challenge: Recognition and Dialect Identification of Dialectal Arabic Speech

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https://www.pure.ed.ac.uk/ws/files/121713260/The_MGB_5_Challenge_ALI_DOA13092019_AFV.pdf

The MGB-5 Challenge: Recognition and Dialect Identification of Dialectal Arabic Speech

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