A Text To Speech Detection Methodologyfor Bangla in Android

Member`s Name:

Sanjoy DuttaRoll : 0907008

Muhammad HozaifaRoll : 0907032

Background

• As Bangla is a popular and one of the largest community language, most people need a speech converter to read any text.

• Students, teachers, journalists, job holders and people of different sectors need text reader to read text.

• And A text reader can help in different ways.

• Consider this we have come up to make with the idea of the application named “Mithu”.

• Objectives are to provide a bigger help to students, teachers, journalist and people of all sectors with working on Bangla language.

Idea- Mithu

• Try to read a Bangla text from any file or manually input;• Try to teach Bangla as fast as possible;• Try to make Bangla language easy & comfortable;• Try to develop a Bangla TTS Library;

Freatures & survices:

• Read a Bangla Text from any file or manually input.▫ User can read any Bangla text which is inputted into the app.▫ It can be a paragraph of Bangla.

Idea- Mithu (cont.)

• Try to teach Bangla as fast as possible;▫ It can be used as a Bangla Learning app to teach Bangla language.▫ Used who are not capable to read any book, it can be used as a reader for

them.

• Try to make Bangla language easy & comfortable; ▫ Used can input any Bangla text to listen the speech.▫ It can used as newspaper reader, PDF reader and so on as a file reader of

Bangla text .

• Try to develop a Bangla TTS Library;▫ It can be used as a Bangla TTS library.▫ It can be used as a root app of all reader file.

How will pronounce a Bangla word?

• This app is developed on the basis of Bangla grammar.

• In this application, we have worked on ▫ Parsing of word according to grammatical rules;▫ Analysis of grammar in different position of letter in the word;▫ Find the shortest path to pronounce a letter;

How will pronounce a Bangla word? (cont.)

How will pronounce a Bangla word? (cont.)

Fig: Working procedure to generate speech from text

How will pronounce a Bangla word? (cont.)

• Sample Input testing:

আমা�র না�মা মিমাঠু�

It works like this,

আ+ আমা + আর + + না� + আমা + + মিমা + ঠু�

Play(আ.mp3) Play(আর.mp3) Play(আমা.mp3) Play(ঠু�.mp3)

Play(আমা.mp3) Play(না�.mp3) Play(মিমা.mp3)

How will pronounce a Bangla word? (cont.) • Sample Input testing:

আমা�র না�মা মিমাঠু�

• Pronounciation Part:

আমা�র=

\0 আ মা� আর \0

Technical Feasibility

1. Input a Bangla text from keyboard:Details: As this app is based on Bangla speech converter, User have to input any text of Bangla. Feasibility: A Bangla keyboard will need to input any text. Already there are some smart Bangla keyboard have been launched in Google market.

2. Operating System:Details: To run this specific application it needs to support operating system of the handset.Feasibility: Android.

3. As this app is developing on Android mobile, so user need a android based phone.

How will use this application? • Step 1: Subscriber sends request to

download the application

• Step 2: System checks handset supportive or not

• Step 3: Charges subscriber for the application fee

• Step 4: Download the application in user’s mobile

• Step 5: Start the app

• Step 6: Input any text which want to listen

• Step 7: Process the text into speech

• Step 8: Make a speech for the text

Commercial Feasibility

1. Development Cost2. Noise Free Sound Cost

From where app will get money:1. If Government take this app for Agriculture, Education sectors or any

sectors.2. Providing this app to the uneducated people.3. Blind people can use this app for personal & commercial purpose. 4. If any university wants to take this app for their educational purpose.5. For foreign users it may be sold in app markets for some demo version.6. If it is used as a root app or a demo TTS library. and so on.

Additional Points

• Education:  * If school/college/university class lectures are listened by any audio player that will beneficial

for them. * If this app is embedded with other software like as PDF, MS DOC or reader file, this will be

beneficial for all.

• Agriculture:* If this specific app is used as TTS engine for other language converter software , then farmers

will take advantage from internet based help. They can use their knowledge

• Commercial:  * It will be beneficial for commercial purpose.

• Entertainment:  

* It will serve entertaining purposes and so on.

Limitations & Challenges

• Development on some letters are still on process. So these features are not available in this app. Like as,

সংহমি�, ব্যা��ঙ, মিমাঞা� etc.

• Need to work on accuracy development on sound for pronunciation.

• Need to develop to pronounce some words accurately like as

। গা�ছ ভা�ল

গা�ছ = গা� + ছ ভা�ল= ভা� + লোল�

Conclusion

• Education, Agriculture, Commercial and many sectors will be helped by this app.

• This app will be a really good source of entertainment and so on.