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Virtual learning system (Miqra`ah) for Quran recitations targeting
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1. Internet connection and the client program The system is cross platforms compatible supporting Windows Linux and Apple OS The client application is also available for the most famous smart phones namely those running Android and iOS Thus both the scientists and the students can access the system from their mobile phones in addition to the desktop and laptop computers The system includes a speech recognition mechanism Thus students can dictate the commands by voice and the system can recognize them accurately and execute them This feature allows the blind illiterate and manual disabled people to make use of the system exactly like the non disabled people who are able to use the mouse and the keyboard and read from the screen The rest of this paper is organized as follows In Section II we present the related works We describe the Invented Speech Recognition Engine in Section III Then we present the used system for the voice communication over the Internet namely Mumble VoIP in Section IV We present the whole developed system in section V The conclusions and the future directions are given in VI Il RELATED WORKS After a thorough and deep search we could not find a system like the one that we have developed When searching the Internet we found several institutions claiming that they provide electronic Miqra ah Once examining them we found the existing solutions are very modest consisting in using Skype or Palta
2. Blind Illiterate and Manual Disabled People Accepted in the IEEE International Conference on Advances in Information Technology for the Holy Quran and Its Sciences Al Madinah Saudi Arabia 22 25 Dec 2013
3. The system can be used by non blind people We have integrated a speech recognition engine that we have invented Another application using that speech recognition engine is developed It allows the bind manual disabled and illiterate people to efficiently and easily use the system They can have full control on the system using voice driven commands without having to use the mouse or the keyboard or to get help from other people The system incorporates a very performance efficient open source and reliable all to all voice chatting application namely Mumble VoIP Licensed Sheikhs scientists as well as the students can be connected from their devices desktop laptops and Smartphone s and conduct a lesson Miqra ah session from their locations without having to go to schools or institutes The system is implemented and tested and it works perfectly We believe that this system can be extended to be used for similar activities to conduct remote distance and virtual learning sessions for people having blindness and manual handicap ACKNOWLEDGMENT Dr S A Elsagheer would like to thank Dr Hisham H Amin for the advices he provided to improve the accuracy of the speech recognition engine 10 11 12 13 14 15 16 17 18 19 20 Eg E kal Aa REFERENCES IslamCity website http www islamicity com mosque quran IslamWay website http en islamway net
4. register to any of these rooms by pronouncing its name Each student is allocated a portion of time where he she can interact directly by voice with the scientist Other students can listen to the current student s recitation and the error corrections guidance or lessons from the scientists Keywords virtaul learning speech recognition quranic recitations learning systems I INTRODUCTION The Holy Quran 1 2 also transliterated Qur an or Koran is the book literally meaning the recitation is the main religious text of Islam It is the verbatim words of God Allah Quran was revealed through angel Gabriel from Almighty God to the prophet Muhammad may peace be upon Him There are several sciences of the Holy Quran One of them is how to read correctly according to specific rules Tajweed Quran is the basic science Muslims should learn and practice Tajweed should be done according to rules of pronunciation intonation and caesuras established by the This work is sponsored by Noor ITC www nooritc org project no NRC1 29 Allam Shehata Hassanin Electronic Research Institute Giza Egypt Email almohager093 yahoo com Dr Mohamed Tahar Ben Othman Computer Science Dept College of Computer Qassim University KSA Emails maathaman qu edu sa mtothman gmail com prophet Muhammad In addition to Tajweed Quran memorization is of extreme importance for Muslims Quran memorization and learning are among the best
5. The most famous broadcast website about Islam Quran Readings Wikipidia English http en wikipedia org wiki Qur 27an_ recitation webpage Henning M A New Approach to Object Oriented Middleware IEEE Internet Computing vol 8 no 1 Jan 2004 66 75 Khan S Qureshi K Rashid and H Performance Comparison of ICE HORB CORBA and Dot NET Remoting Middleware Technologies International Journal of Computer Applications vol 3 issue 11 pp 15 18 Shaikh M Memon N and Wiil U K Extended approximate string matching algorithms to detect name aliases 2011 IEEE International Conference on Intelligence and Security Informatics ISD Beijing July 2011 pp 216 219 Navarro Gonzalo A guided tour to approximate string matching ACM Computing Surveys vol 33 no 1 March 2001 pp 31 88 doi 10 1145 375360 375365 Gusfield Dan Algorithms on strings trees and sequences computer science and computational biology Cambridge UK Cambridge University Press 1997 pp 263 264 Mumble an open source low latency high quality voice chat software http mumble sourceforge net Rothbucher M Habigt T Feldmaier J Diepold K Integrating a HRTF based sound synthesis system into Mumble 2010 IEEE International Workshop on Multimedia Signal Processing MMSP pp 24 28 4 6 Oct 2010 doi 10 1109 MMSP 2010 5661988 Comparison between Mumble Skype and Ventrilo https mmo mumble com help comparis
6. Virtual learning system Migra ah for Quran recitations targeting blind illiterate and manual disabled students Dr Samir A Elsagheer Mohamed Computer Engineering Dept College of Computer Qassim University KSA Faculty of Engineering Aswan University Aswan Egypt Emails samhmd qu edu sa samirahmed yahoo com Abstract Quran memorization and learning are among the best ways of worship that close to Almighty God because of their numerous benefits as stated in the Quran and Sunnah We have developed a virtual learning system Electronic Migqra ah Scientists can supervise remotely the registered students Students from different ages can register from anywhere in the world given that they have Internet connection Students can interact with the scientist in real time so that they can help them memorize Tahfeez guide them for error correction and give them lectures or lessons through virtual learning rooms The targeted groups of users can be non blind people blind people manual disabled people and illiterate people We have developed this system such that it takes the commands via voice in addition to the normal inputs like mouse and keyboard Users can dictate the commands to the system orally and the system recognizes the spoken phrases and execute them The system administrators create several virtual learning rooms and register the licensed scientists Administrators prepare a daily schedule for each room Students can
7. application connects the user to the server it creates a specific username for the user containing the time and the real user name the reason for that is to make a queue allowing the users entering the room to be in the top of the list and those entering recently will be in the bottom of the list The programs makes the users joining the virtual room he she were connected to the last use of the program 5 Join a channel by pronouncing its name The system will ask the user to pronounce the name of the migqra ah room he she wants to join Note that the user knows the channel names from the main menu Then the user says the name of the channel and the system recognize the required channel then the program launches the client program Mumble and then connect to the voice server and makes the users to join the desired channel 6 Stop or close the program The system will close the Mumble client and the user is removed from the users in the room he she were connected to 7 Listen to the user guide The systems plays back a recorded voice file explaining how to use the program efficiently as well as the rules of using the system The end users students teachers and admins can connet to the server using the Mumble client applications For users who are able to use the mouse and the keyboard they have to install the latest version of the Mumble client and install only the client application Then they have to adjust the au
8. atest Mumble package for the appropriate platform has to be downloaded and installed on the server only install the server software and do not select the client software during the installation Please follow the installation guide for the Mumble server available on Mumble site and then change the following in the murmur ini configuration file bandwidth 72000 users 1000 opusthreshold 100 channelname w J A E WAYN 7 username w AV NAV MAY N FNW7 certrequired False The rest of the options should be changed only in the case when you need to use them Please note that there is no need to use DBUS nor ICE Internet Communication Engine 4 5 After launching Mumble server you have to put a link in the Startup menu so that it starts whenever windows starts Then you have to setup the SuperUser password using this simple command murmur supw lt thepassword gt After that from any other computer install the client and connect to the server using the SuperUser account and the password you set in the previous step Now it is time to create the channels learning room Then create a group named Teachers then edit the ACL permissions for this group by removing Make channels and Write ACL permissions For each created channel remove the Speak Write ACL Make Channel Make Temporary Channel Mute Deafen and Whisper permissions for the in special grou
9. ddress A DNS record for that IP address with the Server name is optional After preparing the server that will host the Mumble Server the firewall has to be configured to open port 64738 The bandwidth for the network connectivity for that server should be not be high Mumble server uses the minimum bandwidth for with the best voice quality compared to the other solutions In Mumble documentations it is stated that at least 40kbps for each user given that all the users talks at the same time and all should here all Mumble is all to all VoIP However we are not going to use it like that for two reasons 1 in any of the learning room the teacher should have the right to speak at any time while only one students can talk and the rest of students should listen otherwise managing the learning room would be very difficult 2 if we allow all to all scenario the bandwidth requirement will be very high Because of that only the teacher and one of the students are allowed to talk at any given time in each learning room This means we have two to all scenario Using an intelligent mechanism coded in the client program the user name of the student is prefixed with time he she joined the lesson room In this case those who connects first will be in the top of the list thus the teacher will be able to know who has the turn Once the turn of currently selected user is over he she mutes that user and un mute the next user in the list The l
10. dio tuning wizard Then they have to connect to the server required information are the server IP or name a real user name and the password configured in the murmur ini Then the users can connect to the available learning rooms and select the one that he want to join However for those users who cannot use the mouse or the keyboard or who cannot read the text on the screen they have to ask someone to install the software package that we have developed and put a shortcut in the Startup Menu so that it starts with the system A simple form asking them to fill the basic information will appear during the installation The applications contains everything they need to connect to the server including the Mumble client After that they will be able to make use of the application and the system independently without the assistant of any other person B Server Management and Configuration The whole system consists of Mumble Server Mumble Clients and the Management frontend Here we provide the guide for setting up each of the components of the system The Mumble server is essential for doing most of the VoIP heavy works organizing the channels managing the ACL and client connectivity To set up the Mumble Server one server machine is required it can be dedicated shared or Virtual Private Server in the cloud The Supported OS is Windows Linux and Mac OS The server must be connected to the Internet and have at lease on public IP a
11. hy When installing the mumble server a k a murmur the server creates on root channel called root System Admins can create as much channels as they wish under the root channel in a hierarchy Users in each channel can talk together and all can hear the voice of anyone who is talking Admins can set permissions for each channel using the access control lists Sound quality Mumble uses Opus 12 which is standardized by the Internet Engineering Task Force IETF as RFC 6716 Opus is the best for interactive speech and music transmission over the Internet The sound quality is excellent compared to all the other existing software It supports noise reduction and automatic gain control It provides the lowest latency resulting in faster communication It also incorporates echo cancellation that permits the use of speakers as well as headphones without echo Please see Figure 1 V DEVELOPED SYSTEM After describing the essential components of the system namely the speech recognition engine and the voice over IP multiparty conferencing system Mumble let s present the whole system including the developed applications to provide the virtual learning environment namely the electronic Miqr ah See Figure 2 The system consists of the following component e Mumble client software programs depending on the platform e Management and scheduling Web Application e Speech recognition application for the blind illiterate and manual disab
12. ide Skype is really perfect for one to one call However for one to many calls it is not suitable and the performance and the voice quality is very bad hindering it from being suitable for such task In addition there is no manageability with Skype you cannot control who can talk now For multi party calls with Skype at most three or four persons HI SPEECH RECOGNITION ENGINE We have invented a speech recognition 13 19 engine for the Arabic spoken phrases It is based on the recently developed Google Speech API It is speaker independent that means that any user can use it and it will recognize the spoken phrase accurately regardless of the specific personal feature of each user voice without the need for training or retraining It supports the Arabic language with several Arabic accents Egypt Saudi Arabia Algeria etc The accuracy is very high and it can reach up to 100 in the case when several simple rules are followed speaking clearly and loudly and disabling the recording enhancements of the microphone and adjusting the recording level to 70 without boosting Details on that mechanism is given in another Paper 20 We have implemented this mechanism and then we have tested it on the recognition of the spoken control commands e g start the program end the program I want to list to today schedule I want to listen to tomorrow s schedule I want to listen to the help desk I want to listen to the usage instructions
13. led people fullband stereo ullbend super widebarid Quality 8 16 32 64 128 bitrate kb s royalty free open source free lice se rot oper source licensing fees not open source Figure 1 Comparison between the most known codecs for the quality aganest the bitrate source http opus codec org comparison First let s present the overall architecture of the system e Murmur Server software e Licensed Scientists attached to each according to the daily schedule e System administrators Students non blind blind illiterate and manual disabled people channel A User Interface Two programs can be used depending on the user non blind who can use the mouse and keyboard or people who are blind manual disabled or illiterate In the case where the user can use the mouse and the keyboard he can simply launch the client program from the Desktop the laptop the Smartphone or the tablet Then register into server and connect to the last channel Miqra ah learning room he she can move from one Migra ah to another by the mouse and the keyboard However if the user is blind or have hands disability he she has to use the other program This program integrates the speech recognition engine described in Section III This program has no GUI it starts when the Windows start and runs in the background It periodically play a beep sound if the user says in Arabic Start the program the program
14. lk to create a single unmanaged voice chat room The first electronic miqra ah that we found is using Paltalk by creating a room named Riyadh Aljannah For Learning Quraan for men or Riyadh Aljannah For Learning Quraan for women They are located in All rooms gt Midlle East gt Islam Once the user join that room the room admin usually the Sheikh can give the lesson select any of the users and allow him to talk all the others listen There are several problems with the solutions provided by Paltalk 1 Annoying ads usually containing offensive images videos 2 Only one room no varieties 3 Only one speaker the rest only listen 4 No announced schedule people have to connect and wait until a lesson starts 5 Not suitable for blind people nor manual disabled people as they have to use the mouse and the keyboard and read what is on the screen The rest of the solutions consist in using Skype The owner of the claimed electronic miqra ah creates a user account on Skype and announces it Anyone who wants to join that miqrh ah has to add that user to his contact list and after approval from the owner he can voice chat with that user when the owner is online Examples of the existing Skype accounts for that purpose are magr2aonline women Magrat Quran quraan21 and almaqraa alquranya Skype shares the same drawbacks stated before for Paltalk Furthermore it has several drawbacks compared to the solution that we prov
15. nt application We have developed a web application for managing the scheduling timetabling and assisting the client application for people with special needs Teachers Sheikhs A Students Mumble Clients and Applications Administrators Mumble server Figure 2 The system can have many virtual learning rooms each one with a teacher and a number of student This web application must be hosted in a webhosting server that is accessible publicly The administrators of the web application have several duties to be done l Create the list of the available miqr a h room names to be identical to those in the Mumble server This will be used by the developed voice controlled application 2 For each miqra ah room name they have to record a sound file in wav format containing the name and upload that to the server 3 They have to create the schedule of the available lessons every day It is mandatory also to create the schedule of the next day All these duties are essential for the correct operation of the voice controlled application It is very important that the information stored in this web application be identical and coherent with that found in the Mumble server VI CONCLUSIONS AND FUTURE DIRECTIONS In this Paper we have presented a virtual learning system that we have developed to provide a real multi virtual room electronic Miqra ah The system consists of several components
16. onchart Valin JM Vos K Terriberry T Definition of the Opus Audio Codec IETF RFC 6716 Sept 2012 Carnegie Mellon University 2010a Sphinx Speech Recognition Toolkit URL http cmusphinx sourceforge net Lamere P Kwok P Gouvea E B Raj B Singh R Walker W andWolf P 2003 The CMU SPHINX 4 speech recognition system In Proceedings of the IEEE International Conference on Acoustics Speech and Signal Processing ICASSP vol 46 1 pp 37 51 Abushariah MAM Ainon RN et al 2010 Natural speaker independent Arabic speech recognitionsystem based on Hidden Markov Models using Sphinx tools 2010 international conference on computer and communication engineering ICCCE Satori H Harti M Chenfour N 2007 Introduction to Arabic speech recognition using CMUSphinx system Information and communication technologies international symposium proceedingICTISO7 2007 Hyassat H Abu Zitar R 2008 Arabic speech recognition using SPHINX engine Int J SpeechTech 9 3 4 133 150 Cambridge 2010 HTK Hidden Markov Model Toolkit Speech Recognition toolkit URL http htk eng cam ac uk Young S Evermann G Gales M Hain T Kershaw D Liu X Moore G Odell J Ollason D Povey D Valtchev V and Woodland P 1996 The HTK Book Cambridge University Press Cambridge Samir A Elsagheer Mohamed Allam Shehata and Mohamed T Ben Othman Learning System for the Holy Quran and Its Sciences for
17. or user manual etc and the names of the channels Migqra ah The accuracy is very promising and it can reach up to 100 in all of the tests that we carried out given that the settings and the rules stated before are respected IV VOICE OVER IP SYSTEM MUMBLE MURMUR After a thorough and intensive search for a suitable Internet communication system that enables the Scientists and the students to communicate with each other we come up with several possibilities Paltalk Skype Ventrilo and Mumble We have studied each one and the features provided by each of them Mumble 9 10 is a Voice over IP VoIP software system primarily designed for use by gamers Mumble uses a client server architecture which allows users to talk to each other via the same server It has a very simple administrative interface and features high sound quality and low latency Communications are encrypted to ensure user privacy Mumble is free and open source software It is a cross platform that means that the both client and server can run under Windows Linux and Mac iOS In addition there are client applications for the most common operating systems of the smart phones namely Android and iOS That means that the users can connect to the system from their Desktop Laptop Mobile phone tablet and notebooks provided that they have Internet connection on these devices We are going to describe the main features of Mumble in this Section Channel hierarc
18. p Then add the teachers account to the Teacher group And that is all for the Mumble Server configuration C Client Configuration and Management The end users students teachers and admins can connect to the server using the Mumble client applications get it from 9 For users who are able to use the mouse and the keyboard they have to install the latest version of the Mumble client and install only the client application Then they have to adjust the audio tuning wizard Then they have to connect to the server required information are the server IP or name a real user name and the password configured in the murmur ini Then the users can connect to the available learning rooms and select the one that he want to join However for those users who cannot use the mouse or the keyboard or who cannot read the text on the screen they have to ask someone to install the software package that we have developed and put a shortcut in the Startup Menu so that it starts with the system can be obtained from http quranbyvoice asites org A simple form asking them to fill the basic information will appear during the installation The applications contains everything they need to connect to the server including the Mumble client After that they will be able to make use of the application and the system independently without the assistant of any other person D System Management An integral part of the system is the system manageme
19. r teaching Quran recitations and Tajweed as well as the rest of Quran Sciences Due to the lack of sufficient number of licensed Scientists and the burden of the daily routines very few students are going to Miqra ah which is usually located in Mosques With the widespread of Internet and its availability the vast widespread of the smart phones having Internet access and the ease of use of these devices it is important to develop a system emulating the physical Miqra ah In this Paper we present a system that we have developed to serve as electronic Miqra ah through the Internet The system administrators register the licensed scientists into the system They create several virtual learning rooms in the system and prepare a daily schedule for each room depending on the availability of the scientists Each time slot in the schedule is assigned to one of the scientists Using a program scientists connect remotely from their homes or any location having Internet access to the system to the specified virtual learning room Students having access to the system through the Internet connects to the system and choose the virtual room that they want to join After that the scientist can teach them using voice broadcast one to all He can ask the students to recite and correct their recitations one by one All the activities of the physical Miqra ah are available in the system However people stay at home or work or in any place they have
20. s starts to interrogate the users by pronounce the available commands and wait the user to dictate the required task When the user says any of the available phrase to the microphone the speech recognition engine recognizes the spoken phrase command and execute it The main menu of the program is as follows no GUI only voice announcement of the choices 1 Listen to the titles names of the available channels virtual Miqra ah rooms In this case the programs fetches the available virtual miqra ah names from the server and the corresponding sound files prerecorded in the management web application please refer to Section DV D for more details Then the program plays all these files one after the other 2 Listen to the schedule for today In this case the programs fetches the schedule for today Mecca time zone prerecorded in the management server The programs plays the sound file for the Miqra ah name then the start time and the end time It repeats until finishing the whole schedule The time is pronounced automatically for example if it is from 05 35 am the program will says the corresponding components by voice From five hour and thirty five minutes AM Please refer to Section DV D for more details 3 Listen to the schedule for tomorrow Exactly like the previous menu choice but for tomorrow 4 Join the last miqra ah room you have connected to In this case the program launches the Mumble client
21. ways of worship that close to Almighty God because of their numerous benefits as stated in the Quran and Sunnah 1 There are ten famous Quran recitations a k a reading or Qira ah In each recitation there are two famous narrations Rewayah The most popular reading is that of Hafs on the authority of Asim Similarly each melodic passage centers on a single tone level but the melodic contour and melodic passages are largely shaped by the reading rules creating passages of different lengths whose temporal expansion is defined through caesuras 3 These ten recitations consist of 7 Mutawatirs a transmission which has independent chains of authorities so wide as to rule out the possibility of any error and on which there is consensus and 3 Mashhurs these are slightly less wide in their transmission but still so wide as to make error highly unlikely ways of reading 3 Muslim scientists specialized in the recitation and the rest of Quran sciences learn the recitation from qualified and elder licensed scientists Sheikh Each one of these licensed scientist is linked in a transmission chain up to the prophet Muhammad For more details about the Quran and its sciences please refer to 2 People seeking to learn the Quran are usually go to special schools locations where a group of students are assembled and instructed by one qualified Muslim scholar These special schools are known as Miqra ah The main purpose of Migra ah is fo
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