With the advancement of technology, a wide range of automated tools are now used to teach children with autism.

Information systems → Collaborative and social computing systems and tools.

Human-centered computing → Accessibility systems and tools.

Finally, the developed system was evaluated with 60 participants including the deaf-mute people and was found to be capable of successfully carrying out its functions with good performance. Secondly, an efficient and improved method for recognition of static hand posture and temporal gesture, focusing on finger-spelling method has been proposed which was developed using raspberry pi with the help of machine learning. To attain this objective, firstly, a survey on recent vision-based gesture recognition approaches has been carried out. Therefore, the objective of this research is to develop an intelligent sign language interpretation system to connect with deaf-mute community, which will be used as a two way correspondence between speech impaired and regular speaking people. Although several systems exist for teaching or learning sign language for the deaf-mute people, little attention has been paid to the development of useful and usable tool for effortless communication between the mute and non-mute people. You saw how a letter is written and might be pronounced, but there is nothing better than hearing the sound of the letters in a video or audio.An utmost necessity of the deaf-mute people is to communicate with the non-mute people without the knowledge of sign language at different environments including office premises, shopping centers, educational institutions, and the like. ষ Sound of ‘sh’ when the tongue touches the roots of the teeth ফ Sound of ‘f’ if pronounced with closed lips ধ sound produced by coupling soft ‘d’ and ‘h’= ‘dh’

ণ Nasal sound when the tongue touches a bit away from teeth

ঞ Just like ‘gn’ of gnome with a slight up movement of tongue ঝ This is produced using the naval sounds while the tongue touches the upper part of mouth cavity The better you pronounce a letter in a word, the more understood you will be in speaking the Bengali language.īelow is a table showing the Bengali alphabet and how it is pronounced in English, and finally examples of how those letters would sound if you place them in a word. Without it, you will not be able to say words properly even if you know how to write those words. Learning the Bengali alphabet is very important because its structure is used in every day conversation.

Banjonborno in bengali