Update README.md

README.md

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 ### Dataset Summary
 
-The Persian audio-visual dataset is a collection of audio and visual data in the Persian language.The dataset consists of audio and visual data designed for speech recognition and lip reading tasks. The dataset includes over 24,000 of 4 seconds video clips, each with a lenght and width of 224*224 pixels totaling over 27 hours of data.
+The Persian audio-visual dataset is a collection of audio and visual data in the Persian language.The dataset consists of audio and visual data designed for speech recognition and lip reading tasks. The dataset includes over 24,000 of videos totaling over 27 hours of data.The videos are collected from news recordings and utilized a face-detection algorithm to crop and extract region of intrest.
 ### Supported Tasks and Leaderboards
 
 The dataset can be used for tasks such as speech recognition, audio-visual speech recognition, and speaker recognition.
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 The dataset is in the Persian language.
 
 ### Format
-The video clips are in MP4 format 
-### Licensing Information
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-[More Information Needed]
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-### Citation Information
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-### Contributions
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-[More Information Needed]
+The video clips are in MP4 format with a duration of 4 seconds each,enabaling efficient processing and analysis.(lenght and width of 224*224 pixels)