A comparison of two VLSI architectures for integer discrete wavelet transforms
Armein Z. R. Langi
Proceedings of the 2011 International Conference on Electrical Engineering and Informatics, ICEEI 2011 vol:, issue:ICEEI.2011.6021670, page:1-

A wavelet-based measurement of signal fractal dimensions
Armein Z.R. Langi,Hendryk B. Nugraha
Canadian Conference on Electrical and Computer Engineering vol:2, issue:, page:1-1004

Time-series properties of value signal model (VSM) systems
A.Z.R. Langi
Proceedings – 2014 International Conference on ICT for Smart Society: “Smart System Platform Development for City and Society, GoeSmart 2014”, ICISS 2014 vol:, issue:ICTSS.2014.7013189, page:1-294

An application of SignalSheets for learning DSP filter design
Armein Z. R. Langi
Proceedings – 2014 International Conference on ICT for Smart Society: “Smart System Platform Development for City and Society, GoeSmart 2014”, ICISS 2014 vol:, issue:ICTSS.2014.7013188, page:1-288

Stock prices trends analysis using wavelet transform
Armein Z. R. Langi,None Kuspriyanto,S.W. Pitara
Proceedings – International Conference on Cloud Computing and Social Networking 2012: Cloud Computing and Social Networking for Smart and Productive Society, ICCCSN 2012 vol:, issue:ICCCSN.2012.6215753, page:1-

Finite word length effects on two integer discrete wavelet transform algorithms
Armein Z. R. Langi
International Journal on Electrical Engineering and Informatics vol:3, issue:ijeei.2011.3.2.10, page:1-267

A theoretical foundation for engineering smart environments through PSV systems
Armein Z. R. Langi
Proceedings – International Conference on ICT for Smart Society 2013: “Think Ecosystem Act Convergence”, ICISS 2013 vol:, issue:ICTSS.2013.6588091, page:1-202

Lossless compression performance of a simple counter- based entropy coder
Armein Z. R. Langi
ITB Journal of Information and Communication Technology vol:5, issue:itbj.ict.2011.5.3.2, page:1-188

A computing model of PSV systems as currency exchangers
Armein Z. R. Langi
Proceedings – International Conference on ICT for Smart Society 2013: “Think Ecosystem Act Convergence”, ICISS 2013 vol:, issue:ICTSS.2013.6588058, page:1-33

Performance of a single-chip low bit-rate voice transcoder
Armein Z. R. Langi
Proceedings of the 2013 Joint International Conference on Rural Information and Communication Technology and Electric-Vehicle Technology, rICT and ICEV-T 2013 vol:, issue:rICT-ICeVT.2013.6741497, page:1-

Rapid prototyping of DSP systems using DSP starter kit
Armein Z. R. Langi
Proceedings of the 2013 Joint International Conference on Rural Information and Communication Technology and Electric-Vehicle Technology, rICT and ICEV-T 2013 vol:, issue:rICT-ICeVT.2013.6741489, page:1-

An FPGA implementation of a simple lossless data compression coprocessor
Armein Z.R. Langi
Proceedings of the 2011 International Conference on Electrical Engineering and Informatics, ICEEI 2011 vol:, issue:ICEEI.2011.6021669, page:1-

A hardware architecture of a counter-based entropy coder
Armein Z.R. Langi
ITB Journal of Engineering Science vol:44 B, issue:itbj.eng.sci.2012.44.1.3, page:1-47

An application of PSV-S in fast development of a real-time DSP system
Armein Z. R. Langi
Journal of ICT Research and Applications vol:10, issue:itbj.ict.res.appl.2016.10.2.2, page:1-122

Image processing using singularities and wavelets
Armein Z. R. Langi,Witold Kinsner
ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing – Proceedings vol:3, issue:ICASSP.2001.941324, page:1-1936

An impulse-based framework for signal functional representations
A.Z.R. Langi
Proceedings – 5th International Conference on Electrical Engineering and Informatics: Bridging the Knowledge between Academic, Industry, and Community, ICEEI 2015 vol:, issue:ICEEI.2015.7352485, page:1-147

A performance and interoperability study of an OpenH323-based multimedia over IP (MOIP) system
A.Z.R. Langi,Y. Yonata
IEEE Asia-Pacific Conference on Circuits and Systems, Proceedings, APCCAS vol:1, issue:APCCAS.2002.1114988, page:1-430

Requirement engineering of smart environments from a PSV system perspective
Armein Z. R. Langi
Proceedings – International Conference on ICT for Smart Society 2013: “Think Ecosystem Act Convergence”, ICISS 2013 vol:, issue:ICTSS.2013.6588053, page:1-9

Generic PSV systems and their engine models
Armein Z. R. Langi
Proceedings of the 2012 International Conference on System Engineering and Technology, ICSET 2012 vol:, issue:ICSEngT.2012.6339293, page:1-

A second-order PSV-S and its performance model
Armein Z. R. Langi
Proceedings of the 2012 International Conference on System Engineering and Technology, ICSET 2012 vol:, issue:ICSEngT.2012.6339308, page:1-

Smart engineering using PSV-S concepts
Armein Z. R. Langi
Proceedings of the 2012 International Conference on System Engineering and Technology, ICSET 2012 vol:, issue:ICSEngT.2012.6339300, page:1-

Message from Technical Program Committee Chair
Armein Z.R. Langi
2015 International Symposium on Intelligent Signal Processing and Communication Systems, ISPACS 2015 vol:, issue:ISPACS.2015.7432723, page:1-

Correlation fractal characterization of speech consonants
Armein Z.R. Langi
Proceedings of the 2011 International Conference on Electrical Engineering and Informatics, ICEEI 2011 vol:, issue:ICEEI.2011.6021668, page:1-

A multimedia communication terminal for telephone channels based on H.324
Armein Z.R. Langi
Canadian Conference on Electrical and Computer Engineering vol:2, issue:CCECE.2002.1013093, page:1-1067

Virtual prototyping of DSP systems using a PSV-S approach
Armein Z. R. Langi
2015 International Symposium on Intelligent Signal Processing and Communication Systems, ISPACS 2015 vol:, issue:ISPACS.2015.7432840, page:1-589

An architectural design of a multimedia over IP (MoIP) terminal
A.Z.R. Langi,Y. Bandung
IEEE Asia-Pacific Conference on Circuits and Systems, Proceedings, APCCAS vol:1, issue:APCCAS.2002.1114983, page:1-418

Rapid development of a real-time speech coder on a TMS320C54X DSP
Armein Z.R. Langi
Canadian Conference on Electrical and Computer Engineering vol:2, issue:, page:1-1048

A DSP implementation of a voice transcoder for VoIP gateways
A.Z.R. Langi
IEEE Asia-Pacific Conference on Circuits and Systems, Proceedings, APCCAS vol:1, issue:APCCAS.2002.1114932, page:1-186

Implementing ICT in primary schools in Keerom-Papua
Yoanes Bandung,Armein Z. R. Langi
Proceedings of 2011 6th International Conference on Telecommunication Systems, Services, and Applications, TSSA 2011 vol:, issue:TSSA.2011.6095417, page:1-114

Wavelet-multifractal processing of signals
Kudrat Soemintapura,Armein Z.R. Langi
IEEE Asia-Pacific Conference on Circuits and Systems – Proceedings vol:, issue:, page:1-68

Information technology value engineering model and cost efficiency in IT – Based firms
Lukman Abdurrahman,Armein Z.R. Langi,Togar M. Simatupang
IEEE Systems Journal vol:12, issue:JSYST.2017.2663418, page:1-2936

Mobile agent platform based wallet for preventing double spending in offline e-cash
None Irwan,Armein Z.R. Langi,Emir Husni
International Journal of Advanced Computer Science and Applications vol:10, issue:, page:1-591

Implementation of 3D virtual learning environment to improve students’ cognitive achievement
None Rasim,A.Z.R. Langi,Y. Rosmansyah,None Munir
Journal of Physics: Conference Series vol:1013, issue:012103, page:1-

Using instructional design model to implement open lesson with lesson study approach for online teacher community
Finsa Nurpandi,Armein Z. R. Langi,Yoanes Bandung
Proceedings of the 2013 Joint International Conference on Rural Information and Communication Technology and Electric-Vehicle Technology, rICT and ICEV-T 2013 vol:, issue:rICT-ICeVT.2013.6741562, page:1-

Generation quiz with genetic algorithm based on bloom’s taxonomy classification in serious game based virtual environments
None Rasim,Armein Z. R. Langi,Yusep Rosmansyah,None Munir
2016 International Conference on ICT for Smart Society, ICISS 2016 vol:, issue:ICTSS.2016.7792867, page:1-48

Mobile-agent’s self-reliant host security examination
None Irwan,Armein Z. R. Langi,Emir Husni
2015 International Conference on Information Technology Systems and Innovation, ICITSI 2015 – Proceedings vol:, issue:ICITSI.2015.7437711, page:1-

A survey on adaptive engine technology for serious games
R. Rasim,Armein Z. R. Langi,Yusep Rosmansyah,Munir Munir
AIP Conference Proceedings vol:1708, issue:1.4941161, page:1-

Knowledge management system development with evaluation method in lesson study activity
Murein Miksa Mardhia,Armein Z. R. Langi,Yoanes Bandung
Proceedings – ICACSIS 2014: 2014 International Conference on Advanced Computer Science and Information Systems vol:, issue:ICACSIS.2014.7065837, page:1-487

Development of methodologies for measuring IT capability in the information and communication industries
Lukman Abdurrahman,Armein Z. R. Langi,None Suhardi
2014 International Conference on Information Technology Systems and Innovation, ICITSI 2014 – Proceedings vol:, issue:ICITSI.2014.7048262, page:1-194

Segmented fractal dimension measurement of 1-D signals: A wavelet based method
H.B. Nugraha,A.Z.R. Langi
IEEE Asia-Pacific Conference on Circuits and Systems, Proceedings, APCCAS vol:1, issue:APCCAS.2002.1114935, page:1-198

A procedure for singularity measurement using wavelet
H.B. Nugraha,A.Z.R. Langi
IEEE Asia-Pacific Conference on Circuits and Systems, Proceedings, APCCAS vol:1, issue:APCCAS.2002.1114981, page:1-410

Digital Learning-Lesson Study (DL-LS) for teacher learning community
Y. Bandung,Armein Z. R. Langi,Mervin T. Hutabarat
Proceedings of the 2013 Joint International Conference on Rural Information and Communication Technology and Electric-Vehicle Technology, rICT and ICEV-T 2013 vol:, issue:rICT-ICeVT.2013.6741504, page:1-

Information Technology (IT) value model using variance-based structural equation modeling: Towards IT value engineering
Lukman Abdurrahman,None Suhardi,Armein Z.R. Langi
2014 2nd International Conference on Information and Communication Technology, ICoICT 2014 vol:, issue:ICoICT.2014.6914112, page:1-504

Performance analysis of supporting QoS for multimedia in IEEE 802.11e
Agga Kamadyta,Y. Bandung,Armein Z. R. Langi
Proceedings – International Conference on Cloud Computing and Social Networking 2012: Cloud Computing and Social Networking for Smart and Productive Society, ICCCSN 2012 vol:, issue:ICCCSN.2012.6215728, page:1-

Unohop: Efficient distributed hash table with o(1) lookup performance
Herry Imanta Sitepu,Carmadi Machbub,Armein Z.R. Langi,Suhono Harso Supangkat
Proceedings – 3rd International Conference on Broadband Communications, Informatics and Biomedical Applications, BroadCom 2008 vol:, issue:BROADCOM.2008.72, page:1-81

Optimizing voice over internet protocol (VoIP) networks based-on extended E-model
Yoanes Bandung,Carmadi Machbub,Armein Z. R. Langi,Suhono H. Supangkat
2008 IEEE International Conference on Cybernetics and Intelligent Systems, CIS 2008 vol:, issue:ICCIS.2008.4670898, page:1-805

Information technology value model and its optimal application in IT-based firms
Lukman Abdurrahman,None Suhardi,Armein Z.R. Langi,Togar M. Simatupang
International Journal of Mathematical Modelling and Numerical Optimisation vol:8, issue:IJMMNO.2018.094546, page:1-350

A design of Digital Learning Product-Service System: The big picture
Yani Widyani,G.A. Putri Saptawati,Armein Z.R. Langi
Proceedings of the 2011 International Conference on Electrical Engineering and Informatics, ICEEI 2011 vol:, issue:ICEEI.2011.6021708, page:1-

Performance evaluation of multimedia services over wireless LAN using routing protocol Optimized Link State Routing (OLSR)
Teguh Setiadi,Yoanes Bandung,Armein Z. R. Langi
Proceedings – International Conference on Cloud Computing and Social Networking 2012: Cloud Computing and Social Networking for Smart and Productive Society, ICCCSN 2012 vol:, issue:ICCCSN.2012.6215729, page:1-

Improving quality of video streaming using QoS IEEE 802.11e for supporting rural digital learning: Testbed approach
Novian Anggis Suwastika,Yoanes Bandung,Armein Z. R. Langi
Proceedings – International Conference on Cloud Computing and Social Networking 2012: Cloud Computing and Social Networking for Smart and Productive Society, ICCCSN 2012 vol:, issue:ICCCSN.2012.6215717, page:1-

Delivering open lesson based on real-time video service with QoS guarantee on low predictable network
Adrian Sagala,Yoanes Bandung,Armein Z. R. Langi
Proceedings of the 2013 Joint International Conference on Rural Information and Communication Technology and Electric-Vehicle Technology, rICT and ICEV-T 2013 vol:, issue:rICT-ICeVT.2013.6741564, page:1-

Model development of mobile learning lesson study in teacher learning community
Murein Miksa Mardhia,Yoanes Bandung,Armein Z. R. Langi
Proceedings of the 2013 Joint International Conference on Rural Information and Communication Technology and Electric-Vehicle Technology, rICT and ICEV-T 2013 vol:, issue:rICT-ICeVT.2013.6741563, page:1-

Delay measurement of remote presentation in digital language laboratory system
Novan Ariadi,Yoanes Bandung,Armein Z. R. Langi
Proceedings – International Conference on Cloud Computing and Social Networking 2012: Cloud Computing and Social Networking for Smart and Productive Society, ICCCSN 2012 vol:, issue:ICCCSN.2012.6215718, page:1-

Adaptive Admission Control for supporting quality of multimedia conference applications
Iwan Iskandar,Y. Bandung,Armein Z. R. Langi
2012 7th International Conference on Telecommunication Systems, Services, and Applications, TSSA 2012 vol:, issue:TSSA.2012.6366021, page:1-58

Engineering information technology value in IT-based industries using partial adjustment valuation and resource-based view approach
Lukman Abdurrahman,None Suhardi,Armein Z.R. Langi
International Journal of Information and Communication Technology vol:8, issue:IJICT.2016.076824, page:1-435

Valuation methodology of information technology (IT) value in the IT-based business: A case study at a leading telecommunication company
Lukman Abdurrahman,None Suhardi,Armein Z. R. Langi
International Journal on Electrical Engineering and Informatics vol:8, issue:ijeei.2016.8.4.12, page:1-884

Digital learning model based on intelligent tutoring system in 3DMUVLE
None Rasim,Y. Rosmansyah,A.Z.R. Langi,None Munir
Journal of Physics: Conference Series vol:1280, issue:032037, page:1-

Overlay network for low churn environment
Herry I. Sitepu,Carmadi Machbub,Armein Z. R. Langi,Suhono H. Supangkat
Proceedings – International Symposium on Information Technology 2008, ITSim vol:3, issue:ITSIM.2008.4631961, page:1-

Enhancing low speed network performance for voice over internet protocol
Yoanes Bandung,Carmadi Machbub,Armein Z. R. Langi,Suhono H. Supangkat
Proceedings – International Symposium on Information Technology 2008, ITSim vol:3, issue:ITSIM.2008.4631962, page:1-

Smart Campus Model: A Literature Review
Radiant Victor Imbar,Suhono Harso Supangkat,Armein Z. R. Langi
7th International Conference on ICT for Smart Society: AIoT for Smart Society, ICISS 2020 – Proceeding vol:, issue:ICISS50791.2020.9307570, page:1-

Selection of learning materials based on students’ behaviors in 3DMUVLE
None Rasim,Yusep Rosmansyah,Armein Z.R. Langi,None Munir
Telkomnika (Telecommunication Computing Electronics and Control) vol:16, issue:TELKOMNIKA.v16i5.7994, page:1-2136

Methodology development of information technology value engineering using systems engineering approach
Lukman Abdurrahman,None Suhardi,Armein Z.R. Langi
2015 International Conference on Information Technology Systems and Innovation, ICITSI 2015 – Proceedings vol:, issue:ICITSI.2015.7437742, page:1-

Automatic segmentation and detection of heart sound components S1, S2, S3 and S4
Amy H Salman,Nur Ahmadi,Richard Mengko,A.Z.R. Langi,Tati L. R Mengko
Proceedings – 2015 4th International Conference on Instrumentation, Communications, Information Technology and Biomedical Engineering, ICICI-BME 2015 vol:, issue:ICICI-BME.2015.7401344, page:1-107

Augmented reality Virtual Class Box for digital learning services
Erwin Cahyadi,Hendro Agus Santoso,Yoanes Bandung,Armein Z. R. Langi
Proceedings – International Conference on Cloud Computing and Social Networking 2012: Cloud Computing and Social Networking for Smart and Productive Society, ICCCSN 2012 vol:, issue:ICCCSN.2012.6215754, page:1-

Empirical mode decomposition (EMD) based denoising method for heart sound signal and its performance analysis
Amy H. Salman,Nur Ahmadi,Richard Mengko,Armein Z.R. Langi,Tati L.R. Mengko
International Journal of Electrical and Computer Engineering vol:6, issue:ijece.v6i5.pp2197-2204, page:1-2204

Fast discrete wavelet transformation daubechies-four architecture
Akhmad Mulyanto,Dani Fitriyanto,Tati R. Mengko,A.Z.R. Langi
Proceedings of the 9th IAPR Conference on Machine Vision Applications, MVA 2005 vol:, issue:, page:1-75

Performance comparison of denoising methods for heart sound signal
Amy H. Salman,Nur Ahmadi,Richard Mengko,Armein Z. R. Langi,Tati L. R. Mengko
2015 International Symposium on Intelligent Signal Processing and Communication Systems, ISPACS 2015 vol:, issue:ISPACS.2015.7432811, page:1-440

Review of digital heart sound classification methods via Artificial Neural Networks
A.H. Salman,T.R. Mengko,R.K.W. Mengko,A.Z.R. Langi
Proc. of 2013 3rd Int. Conf. on Instrumentation, Communications, Information Technol., and Biomedical Engineering: Science and Technol. for Improvement of Health, Safety, and Environ., ICICI-BME 2013 vol:, issue:ICICI-BME.2013.6698540, page:1-430

Supporting student learning community in rural area through ICT
Y. Bandung,Dwi Ramadhianto,Bryan Yonathan,Kusprasapta Mutijarsa,Armein Z.R. Langi
Proceedings of the 2011 International Conference on Electrical Engineering and Informatics, ICEEI 2011 vol:, issue:ICEEI.2011.6021771, page:1-