Dr. Ajish K. Abraham ME, Ph.D
Professor of Electronics and Acoustics & Dean (Infrastructure, Planning & Support), Department of Electronics
Email: ajish68@aiishmysore.in
Phone Office: 2502001
Profile / Overview
Dr. Ajish K. Abraham is a Professor of Electronics and Acoustics & Dean (Infrastructure, Planning & Support). He is also serving as the Coordinator for two research centres at the newly initiated Centre of Excellence – 1) Centre for Rehabilitation engineering, Acoustics and Biomedical engineering (CRAB) and 2) Centre for Augmentative and Alternative Communication & Sign Language (AAC & SL). His current research projects include Development of Visual Scene Display (VSD) based Augmentative and Alternative Communication (AAC) system, Development of robot for articulatory simulation, Development of an automatic speech processing system for assessment of stuttering, Automation of Malayalam articulation test for assessment of articulation disorders, etc. His work has involved developing several automated diagnostic systems for severity assessment of speech disorders. He has been actively involved in developing assistive technology devices for rehabilitation of persons with communication disorders.
Professor Abraham completed his Ph.D in Electronics from University of Mysore and Post-Doctoral Training at University of California, San Diego, USA.
Research and Publications
A. Papers published in Peer Reviewed Journals
1.Girish KS, Pushpavathi M, Abraham AK, Vikram CM (2022). Automatic speech processing software – New sensitive tool for the assessment of nasality: A preliminary study. J Cleft Lip Palate Craniofac Anomal , 9, 14‑23
2.Siddhanna Janai., Shreekanth, T., Chandan, M., & Ajish K Abraham (2021). Speech-to-Speech Conversion: An Approach to Enhance the Speech Intelligibility of Dysarthric Speaker. International Journal of Ambient Computing and Intelligence (IJACI), 12(1), 184-206.DOI: 10.4018/IJACI.2021010108. ISSN: 1941-6237.
3.Abraham, A. K., & Ravishankar, M. S. (2020). A case study of acoustic intervention in classrooms. Building Acoustics. 28 (4), 293–308. https://doi.org/10.1177/1351010X20975765. ISSN: 1351-010X. 28(1)
4.Swathy, Ravi., Abraham, Ajish K., Sivaramakrishnan, V., Swapna, N.,& Manohar, N. (2020). Analysis of Kannada speaker’s tongue profile for articulatory simulation. Journal of Child Language Acquisition and Development, 8(2), 22-35. ISSN: 2148-1997. DOI: http://jclad.science-res.com/archives_full_issu/Vol_8_issue_2/
JCLAD_FULL_ISSUE_8_2.pdf
5.Pushpavathi, M., Abraham, Ajish K., MahadevaPrasanna, S R., & Girish, K.S. (2018). Impact of timing of palatal repair on speech errors in children with CLP. Journal of Child Language Acquisition and Development,6(4), 122-133.ISSN: 2148-1997. DOI: https://juniperpublishers.com/gjo/pdf/GJO.MS.ID.555928.pdf.
6.Abraham, Ajish K. (2018). Efficacy of a wiener filter based technique for speech enhancement in hearing aids. World Academy of Science, Engineering and Technology, International Science Index, Medical and Health Sciences, 12(11), 3498.
7.Pushpavathi, M., Abraham, Ajish K., MahadevaPrasanna, S.R., & Girish, K.S. (2018). Impact of timing of palatal repair on resonance, understandability, and acceptability in children with repaired cleft lip and palate. Global Journal of Otolaryngology, 16(1), 11-16,DOI: 10.19080/GJO.2018.16.555928. ISSN: 2474-7556.
8.Akshay, M., Devi, N., Renuka, C., & Abraham, Ajish K. (2018). Need for robotic resources in speech and hearing: An Indian study. International Journal of Advances in Science, Engineering and Technology, 6(1), 35-38. ISSN (print): 2321 –8991.
9.Abraham, Ajish K., Abhisheka, T E., and Manohar, N. (2017). Current strategies for noise reduction in hearing aids - A review. Journal of All India Institute of Speech & Hearing, 36, 75-82. ISSN (print): 0973-662X. DOI: http://aiishmysore.in/ka/admin/file_att/jaiish_vol_36.pdf
10.Renuka, C., Abraham, Ajish K., Devi, N., & Swapna, N. (2017). Robotic communicative tool in speech and hearing: A review. International Journal of Innovative Research in Management, Engineering and Technology, 2(5), 40-43. ISSN: 2350-0557. DOI: https://www.researchgate.net/profile/Devi_N/publication/317954329_ROBOTIC_COMMUNICATIVE_TOOL'_in_Speech_and_Hearing_A_review/links/5b2ca3720f7e9b0df5ba6c6a/ROBOTIC-COMMUNICATIVE-TOOL-in-Speech-and-Hearing-A-review.pdf
11.Abraham, Ajish K., Chandni, Jain., & Yashaswini, L. (2016). Effect of ambient noise on puretone hearing screening test conducted in Indian rural locations. Journal of All India Institute of Speech & Hearing,35, 58-65. ISSN (print): 0973-662X. DOI: https://aiishmysore.in/en/admin/file_att/jaiish_vol_35.pdf.
12.Renuka, C., & Abraham, Ajish K. (2016).Computer intervention module for children with hearing impairment. International Journal of Electrical, Electronics and Data Communication 4(10), 19-24. ISSN: 2321-2950.
13.Hariprasad, B.,Shreekanth, T., & Abraham, Ajish K. (2016).Reaction time measurement system for the assessment of persons with auditory processing disorder. IOSR Journal of VLSI& Signal Processing 6(04), 50-54. ISSN: 2319 – 4197
14.Apoorva, A., & Abraham, Ajish K. (2016).Algorithms for the enhancement of speech signal recorded in adverse conditions. International Journal for Scientific & Engineering Research 7(06), 1-6.
15.Abraham, Ajish K., & Manohar, N. (2015). Efficacy of an assistive device for museum visitors with hearing impairment. Journal of All India Institute of Speech & Hearing, 34, 111-121.
16.Vijayashri, BNagavi., Abraham, Ajish K., Pushpavathi, M., & Rathnakara, S. (2015).Classification of the velopharyngeal dysfunction in children with cleft palate using cineradiographic images. International Journal for Scientific Research & Development 3(04), 3058-3061.
17. Abraham, Ajish K., & Surya, D. (2013). A new algorithm for frequency transposing in digital hearing aids. Journal of All India Institute of Speech & Hearing, 32, 183-190.
18. Abraham, Ajish K. (2012a). Effect of fast and slow compression on voice onset time in hearing aid processed speech. Journal of All India Institute of Speech and Hearing, 31, 202-208.
19. Abraham, Ajish K. (2012b). Transformation of voice onset time in hearing aid processed speech and its relation with number of channels in hearing aids. Journal of All India Institute of Speech and Hearing, 31, 220-225.
B. Chapters Published in Books
1.M. Pushpavathi, Abraham, Ajish K., S. R. MahadevaPrasanna, and K. S. Girish. (2020). Perceptual Judgments of Resonance,Speech Understand ability, and Speech Acceptability in Children with RepairedCleft Palate Across Words and Sentences. In Mahavir Singh&Yasser Rafat (Eds.), Recent Developments in Acoustics, (pp. 75-83). Springer.
2.Abraham, Ajish K. (2017). ICT-Based Outreach Programs: AIISH Model. In B. P. R. Narasimharao, E. Wright, S. Prasad & M. Joshi (Eds.), Handbook of Research on Science Education and University Outreach as a Tool for Regional Development, (pp. 196-205). Hershey, PA, USA: IGI Global.
3.Abraham, Ajish K. (2013). Technology of Cochlear Implant: An Overview. In Madhuri, Gore (Ed.), ISHA Monograph on The Cochlear Implant: An Overview, 13(2), (pp. 5-12) Mysore: Indian Speech and Hearing Association.
4.Abraham, Ajish K., Savithri, S.R., & Basavaraj, V. (2012). Virtual Classroom-based Model for Rehabilitation of Persons with Communication Disorders.In Tiwari, M.D., Shah, S., & Tiwari, I (Eds.), Disability Rehabilitation Management Through ICT, (pp. 149-157). Aalborg, Denmark: River Publishers.
5.Subramanya, M.B., & Abraham, Ajish K. (2012). Active Noise Cancellation of HVAC System Noise in Audiometric Test Rooms. In K. Shama., K. P. Nayak& S. Bhat (Eds.), Electronic Design and Signal Processing , (pp. 48-52). New Delhi: Narosa Publishing House, Pvt. Ltd.
6.Abraham, Ajish K., & Basavaraj, V. (2007). Technology enhanced distance learning – The AIISH Model. Changing Societal Demands and Adopting Teaching – Learning Systems in Higher Education to reach out. 119-124. University of Mysore.
7.Gunjan, Chand., Basavaraj, V., & Abraham, Ajish K. (2006). Acoustic Analysis of the Speech Processed Through Three Amplification Strategies and Their Effect on Speech Recognition Scores of Individual with Severe Hearing Impairment. Student Research at AIISH, Mysore, Volume V Part A, 78-92.
C. Papers Published in National/International Conference/Seminar Proceedings
1.Motepalli, Kowshik S. S., Narasinga, V., Pathuri, H., Khan, H., Mahesh, S., Abraham, A. K., & Vuppala, A. K. (2023). Stuttering Detection Application. Proc. Interspeech 2023, 680-681.
2.Abraham, A.K., Sivaramakrishnan, V., Swapna, N., Manohar, N. (2021). Image-Based Assessment of Jaw Parameters and Jaw Kinematics for Articulatory Simulation: Preliminary Results. Proc. Interspeech 2021, 621-625, doi: 10.21437/Interspeech.2021-1155.
3.Abraham, Ajish K., Pushpavathi, M., Sreedevi, N., Navya, A.& S R M Prasanna(2020).Spectral Moment and Duration of Burst of Plosives in Speech of Children with Hearing Impairment and Typically Developing Children – A comparative Study. Proc. Interspeech 2020, 4981-4985, DOI: http://dx.doi.org/10.21437/Interspeech.2020-1805.
4.Abraham, Ajish K., Pushpavathi, M., Sreedevi, N., & Navya, A. (2019). Exploring Acoustic Measures of Vowels (VSA, FCR3, VAI4, VFR) in Children with Hearing Impairment. In Sasha Calhoun, Paola Escudero, MarijaTabain& Paul Warren (eds.) Proceedings of the 19th International Congress of Phonetic Sciences, Melbourne, Australia 2019 (pp. 1064-1068).
5.Renuka, C., Swapna, N., Bhavana, P V., Prabha, L., & Abraham, Ajish K. (2019). Touch Screen: An interactive platform to learn arithmetic concepts for hearing impaired children attending preschool: Case Study, 2019 1st International Conference on Advances in Information Technology (ICAIT), Chikmagalur, India, 2019, pp. 382-388. DOI: 10.1109/ICAIT47043.2019.8987275.
6.Hegde,Nidhi., Bullakkanavar, Rajat., Renuka, C., Veena, R., & Abraham, Ajish K. (2018). A Technical Approach to Find Defects during Articulation of Phonemes. Proceedings of 3rd International Conference on Electrical, Electronics, Communication, Computer Technologies and Optimization Techniques (ICEECCOT-2018).355
7.CM, V., Prasanna, S R M., Abraham, Ajish K., M, P., K S, G. (2018). Detection of Glottal Activity Errors in Production of Stop Consonants in Children with Cleft Lip and Palate. Proc. Interspeech 2018, 382-386, DOI: 10.21437/Interspeech.2018-1665.
8.Jaisinghani,Priyanka., Manjula, P., & Abraham, Ajish K. (2018). Systematic Review on the Performance Evaluation of Speech Enhancement Strategies in Individuals with Normal Hearing and Those with Hearing Loss. Proceedings of International Workshop on Speech Processing for Voice, Speech and Hearing Disorders,A Satellite Workshop of Interspeech 2018, 8-9, September 2018, All India Institute of Speech & Hearing, Mysuru
9.Vikram, C M., Pushpavathi, M., Abraham, Ajish K., Girish, K S., &MahadevaPrasanna, S R. (2018). Spectro-Temporal Analysis of Stop Consonant Production Errors in Children with Cleft Lip and Palate. Proceedings of International Workshop on Speech Processing for Voice, Speech and Hearing Disorders,A Satellite Workshop of Interspeech 2018, 8-9, September 2018, All India Institute of Speech & Hearing, Mysuru.
10.Dubey, Akhilesh Kumar., Pushpavathi, M., Abraham, Ajish K., Girish, K S., MahadevaPrasanna, S R., &Dandapat, S. (2018). Sinusoidal model based features for analysis of hypernasality severity. Proceedings of International Workshop on Speech Processing for Voice, Speech and Hearing Disorders,A Satellite Workshop of Interspeech 2018, 8-9, September 2018, All India Institute of Speech & Hearing, Mysuru
11.Kalita, Sishir., Pushpavathi, M., Abraham, Ajish K., Girish, K S., MahadevaPrasanna, S R., &Dandapat, S. (2018). Relative contribution of hypernasality, consonant production errors, and voice disorders on the intelligibility of cleft lip and palate speech. Proceedings of International Workshop on Speech Processing for Voice, Speech and Hearing Disorders,A Satellite Workshop of Interspeech 2018,8-9, September 2018, All India Institute of Speech & Hearing, Mysuru
12.Abraham, Ajish K., & Ravishankar, M. S. (2016). Cost Effective Acoustic Solutions to Optimize Reverberation Time. Proceedings of International Symposium on Acoustics for Engineering Applications, 17-19,November 2016, KIIT College of Engineering, Gurgaon.
13.Abraham, Ajish K., & Jain, Chandni. (2016). Indigenous Technology for providing hearing screening services to the villager's doorstep. Proceedings of 103rd Indian Science Congress, 3-7, January 2016, University of Mysore, Mysore.
14.Abraham, Ajish K., Rajarajan, R., & Kalaiselvi, V T. (2015). Preference to RIC – A paradigm shift in hearing aid adoption: A 10 years report. Proceedings of 8th National Women’s Science Congress, (pp. 40), Bengaluru, India.
15.Abraham, Ajish K., &Manohar, N. (2014). Assistive technology to override poor acoustics for museum visitors with hearing impairment. Proceedings of the National Symposium, NSA 2014, 12-14, November 2014,AIISH, Mysore.
16.Abraham, Ajish K., & KalaiSelvi, V T. (2014). Hearing aids with artificial intelligence – Efficacy in speech signal processing. Proceedings of the International Symposium, FRSM 2014, 13-14, March 2014, AIISH, Mysore, 5-9.
17.KalaiSelvi, V T., & Abraham, Ajish K. (2013). Efficacy of frequency transposition in digital hearing aids. Proceedings of National Conference of Advances in Engineering and Technology (NCAET), 267-272.
18.Abraham, Ajish K. (2008). Principles and theoretical constructs in calibration of audiological measurement equipments: OAE, Immittance & ABR. Proceedings of the Workshop on "Standards & Calibration of Audiologic & Speech Equipment”, Sweekar, Secudnerabad.30-38.
19.Abraham, Ajish K. (2008). Care & maintenance of electronic devices in a classroom for children with hearing impairment. Proceedings of National Workshop on Setting up Classrooms for Children with Hearing Impairment, AIISH, Mysore, 4.1 – 4.11.
19. Abraham, Ajish K. (2008). An ideal classroom for children with hearing impairment. Proceedings of National Workshop on Setting up Classrooms for Children with Hearing Impairment, AIISH, Mysore, 2.1 – 2.11.
20. Abraham, Ajish K. (2001). Touch sensing technique in data acquisition and display system for anesthesia ventilator. Proceedings of International Conference on Bio medical Engineering, Chennai, 63-66.
21. Abraham, Ajish K. (2000). Real time image acquisition system for ultrasonic scanner. Proceedings of National conference on Bio medical Engineering, Roorkee,288-292.
22. Abraham, Ajish K. (1999). Two dimensional image measurement system. Proceedings of International Conference and Exhibition on Ultrasonics (IECU – 99), New Delhi. 39-42.
23. Abraham, Ajish K. (1997). Design of a RF amplifier for ultrasonic medical imaging. Proceedings of National Conference on Advances in Biomedical Engineering, Kochi. 26-29.
Funded Research Projects completed in last 5 years (As Principal Investigator)
|
Sl. No. |
Title of Project |
Funding Agency |
Grant (in lakhs) |
Date of Completion |
|
1. |
Development and Validation of RoAS (Robot for Articulatory Simulation) |
Science and Engineering Research Board (SERB), Dept. of Science and Technology, Govt. of India
|
32.27 |
27-03-2023 |
|
2 |
Modifying the design of automated Malayalam articulation test to improve accuracy for evaluation of children with severe articulatory disorder
|
AIISH Research Fund (in collaboration with RIT, Kottayam) |
5.8 |
16-10-2023 |
|
3. |
Development of an Automatic Speech Processing Based System for Assessment of Stuttering in Kannada Speaking Adults |
AIISH Research Fund (in collaboration with IIIT, Hyderabad) |
12.67 |
20-07-2023 |
|
4. |
“ARTICULATE+”: A system for automated assessment and rehabilitation of persons with articulation disorders. |
IMPRINT-Ministry of Human Resources Development,Govt. of India(in collaboration with IIT, Guwahatti) |
137.49 |
31-03-2022 |
|
5 |
Automation of Malayalam Articulation test using automatic speech recognition |
AIISH Research Fund (in collaboration with RIT, Kottayam) |
6.0 |
28-02-2020 |
|
6 |
NASOSPEECH: Development of Diagnostic system for Severity Assessment of the Disordered Speech |
Dept. of Biotechnology, Govt. of India (in collaboration with IIT, Guwahatti) |
59.69 |
10-01-2020 |
M Tech/ MBA Project/ Post Graduate Dissertation Guidance (Last 5 years)
|
Name of the Student |
Topic |
Year |
Program |
University/ Institution |
|
Harshinee Krupanand |
Assessing the Validity and Reliability of Dysfluency Detection Tool: A Comparative Analysis with Perceptual Assessment in Stuttering |
2024 |
M.Sc (SLP) |
University of Mysore |
|
Dana Mariam Jacob |
A comparative analysis of storyblok and adobe experience manager (AEM) for content management solutions |
2023 |
MBA |
Amity University |
|
Priyanka G |
The role of it in strategic HRM – A study with reference to All India Institute of Speech and Hearing, Mysuru
|
2023 |
MBA |
Karnataka State Open University |
|
Swathi A S |
Challenges faced by professionals and caregivers of Indian AAC users in different settings
|
2023 |
M.Sc (SLP) |
University of Mysore |
|
Bhavani V |
Comparative Study between Grid-Based and Visual Scene Display Based AAC Systems in Children with Cerebral Palsy
|
2022 |
M.Sc (SLP) |
University of Mysore |
|
Darsitha S alias Sneha S |
Development of an Automatic Speech Processing Based Procedure for Assessment of Stuttering in Malayalam Speaking Adults through Virtual Mode
|
2022 |
M.Sc (SLP) |
University of Mysore |
|
Madhusudhan B.M. |
Suitability of Online Voice Acquisition for Assessment of Voice Disorders
|
2021 |
M.Sc (SLP) |
University of Mysore |
|
Veda P |
Development of an Automatic Speech Processing Based Procedure for Assessment of Stuttering in Kannada Speaking Adults through Virtual Mode
|
2021 |
M.Sc (SLP) |
University of Mysore |
|
Swathy Ravi |
Design and Development of Robot for Articulatory Simulation
|
2020 |
2020 |
Vellore Institute of Technology, Vellore |
|
Oshin R Jacob |
Emotion Detection using Physiological Signals |
2019 |
2019 |
Karunya Institute of Technology and Sciences, Coimbatore |
Experience
Prof. Ajish carries with him 33 years of teaching/research experience – 10 years at Central Scientific Instruments Organization, Chandigarh – a constituent Laboratory of Council of Scientific and Industrial Research (CSIR), Government of India, followed by 23 years at All India Institute of Speech and Hearing (AIISH), Mysore
- Design and development of biomedical equipment
- Audio and Speech Processing
- Hearing aid technology research
- Acoustic noise etc
VISITS :
