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Clinically Validated · mHealth · Audiology Innovation

Where Sound
Becomes Understanding

Clinically validated tools for early hearing, speech and developmental screening — affordable digital solutions for schools, hospitals, rehabilitation centres and community healthcare programmes.

Hearing Speech Language Communication
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Mission & Vision
Mission

"To make early hearing, speech and developmental screening accessible to every child — regardless of geography or economic circumstance."

Vision

"A world where no child's communication potential is lost due to late or missed identification of hearing, speech and developmental disorders."

Communication Science

Each Stage, A Point of Intervention

👆 Click any stage below to see what disorders ASPHEAR detects, which tool applies, and why early detection matters clinically.

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👂
Hearing
Peripheral & cochlear
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Auditory Processing
Neural pathway
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Speech
Motor & articulation
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Language & Communication
Semantic & social
Precision Screening Suite

Three Tools. One Validated Suite.

Each tool has independent clinical validation, its own publication, and an age-appropriate workflow. Select a product to explore its science.

Hear Kids Device Suite — App, Speaker & Headphones
Hear Kids Device Suite

Everything needed.
In one kit.

The Hear Kids screening kit combines a calibrated speaker, child-appropriate headphones and a smartphone app — validated for community health workers without specialist training.

Mobile app — guided screening workflow in 4 languages
Calibrated speaker — precise delivery for BOA and SSAT modules
Headphones — required for SRT module (3 years and above)
Identifies mild-to-moderate hearing loss and moderately severe and above (disabling hearing loss), per WHO hearing loss classification and RPWD, 2016
Flagship
Hear Kids
Hearing screener · 3 months +
Free to use
LEST Screener
Expressive & Receptive Language · 0–6yr
Free to use
Developmental Checklist
RBSK aligned · 0–6yr
LIVE SIGNAL PREVIEW
⭐ Flagship Product
Hear Kids

A paediatric hearing screener at a fraction of conventional audiometric device costs. Three age-appropriate modules — independently validated — for children from 3 months and above. Identifies mild-to-moderate hearing loss and moderately severe and above (disabling hearing loss), per WHO hearing loss classification and RPWD, 2016. Click each module to reveal test-specific validity measures.

BOA — Behavioural Observational Audiometry
3 months – 1.5 years · Noisemaker stimuli
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86%
Sensitivity
91%
Specificity
0–18m
Age Range
📄 "Validation of a Behavioural, Speech Spectrum/Speech Based mHealth Hearing Screener for Children" (2026) · Reference standard: pure-tone audiometry
SSAT — Speech Spectrum Awareness Task
1.6 – 3 years · Calibrated animal sounds
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98%
Sensitivity
85%
Specificity
1.6–3yr
Age Range
📄 Calibrated animal sound stimuli · Speech spectrum awareness task · Presented via headphones
SRT — Speech Recognition Task
3 years and above · 12 spondee words at 5 dB SL
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95%
Sensitivity
89%
Specificity
3yr+
Age Range
📄 12 picturable spondee words · 5 dB SL presentation
Identifies mild-to-moderate hearing loss and moderately severe and above (disabling hearing loss), per WHO hearing loss classification and RPWD, 2016 · Click each module above to reveal test-specific sensitivity and specificity values
Languages: TamilTeluguKannadaHindi
💚 Free to Use
LEST Screener

Language Evaluation Scale Trivandrum — an mHealth-based language screener for children aged 0–6 years, covering expressive and receptive language domains. Field-validated by grassroots community health workers across India.

Expressive Language
Vocabulary · sentences · verbal output
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0–6yr
Age Range
Free
Cost
Field
Validated
📄 Elsevier 2024 · Community health worker deployment · mHealth in resource-limited settings
Receptive Language
Comprehension · instruction following
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0–6yr
Age Range
Free
Cost
Field
Validated
📄 Instruction following · Social language comprehension · Community worker deployed
0–6
Age range (years)
Free
No cost to deploy
Published: Clinical Epidemiology & Global Health, Elsevier, 2024
💚 Free to Use
Developmental Checklist

RBSK-aligned developmental screener covering seven domains for children 0–6 years. Aligned with India's national Rashtriya Bal Swasthya Karyakram child health programme. Published 2026.

7 Developmental Domains
Motor · Vision · Hearing · Speech · Cognition · Social
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7
Domains
0–6yr
Age Range
Free
Cost
📄 Wellcome Open Research · Chandrasekar, Venkatesh, Ramkumar et al. · LEST & RBSK Validity
RBSK National Alignment
India's national child health screening framework
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RBSK
Framework
India
Programme
2026
Published
📄 Rashtriya Bal Swasthya Karyakram — India's national child health programme 0–18 years
7
Domains screened
0–6
Age range (years)
Published: Wellcome Open Research · LEST & RBSK Validity
Mobile Application

Screen. Score.
Refer. Anywhere.

  • Works fully offline — syncs when connectivity returns
  • Multilingual: Tamil, Telugu, Kannada, Hindi
  • Hear Kids + LEST + Developmental Checklist in one app
  • Cloud analytics via Atmosphear dashboard
  • No specialist audiological training required
ASPHEAR
Asphear
Hear Kids · LEST · RBSK
★★★★★
Cloud Data Management

Every screening result, in one dashboard.

Hear Kids, the LEST Screener and the Developmental Checklist all sync automatically to Atmosphear — ASPHEAR's cloud data management platform. Health workers screen in the field, fully offline if needed, and results upload the moment connectivity returns.

Unified dashboard — every child, every test, every referral in one place
Offline-first sync — screen anywhere, upload when connected
Referral tracking — follow a flagged child from screen to specialist review
Programme-level analytics — coverage, yield and outcomes across a district or school network
Visit Atmosphear ↗
Atmosphear — A Product of ASPHEAR
Hear Kids In The Field

Screening in a real school setting

A frontline health worker administering a Hear Kids hearing screen with the device suite, captured during an in-school session.

Scientific Evidence

Peer-Reviewed & Validated

Every ASPHEAR screening tool is backed by published, peer-reviewed research. Below is the complete list of publications.

Workflow

From Screening to Referral

A precise four-step process any school health worker or community volunteer can run — no specialist training required.

01 / 04
📱
Worker screens the child
Community health worker opens the app and selects the age-appropriate module. Guided interface — no intensive training or audiological expertise required.
02 / 04
App scores automatically
Validated algorithms score responses instantly. Clear pass or refer result in the local language.
03 / 04
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Data syncs to Atmosphear
Results auto-upload to Atmosphear cloud. Fully offline-capable — syncs when connectivity is restored.
04 / 04
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Clinician reviews and refers
Clinician reviews flagged results and connects the child to an audiologist or SLP for full evaluation.
Real-World Impact

Reaching Children
Who Need It Most

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Children screened for hearing loss
0+
Children screened for speech, language & developmental disorders
1/10th
Cost vs. conventional audiometric devices
15 min
Full hearing, speech and developmental screening
Our Team

The People Behind ASPHEAR

A multidisciplinary team of audiologists, engineers, public health researchers and specialists based in Chennai, India.

VR
Dr. Vidya Ramkumar
Founder & Director
PhD AudiologyWellcome Fellow
in
VS
Vishnu Saravana
Director & CEO
StrategyClinical Tech
in
AP
Anil Prabhakar
Director & Advisor
IIT MadrasElectrical Engg
in
MJ
Manjudarshan
Business Dev & Audiology
AudiologyPartnerships
in
Ecosystem

Collaborators & Supported By

ASPHEAR is incubated and supported by leading technology and healthcare innovation ecosystems in India.

Incubation Partners
SRIIF Logo
SRIIF, SRIHER
Sri Ramachandra Institute of Innovation & Foresight
SRIHER, Chennai
RTBI Logo
RTBI, IITMRP
IITM's Rural Technology & Business Incubator
IIT Madras Research Park, Chennai
ITEL Logo
ITEL, IITMRP
Immersive Technology Entrepreneurship Labs
IIT Madras Research Park, Chennai
Grant Support
NCPEDP Logo
NCPEDP
National Centre for Promotion of Employment for Disabled People

Seed Grant Support
Collaborations
Enability Foundation Logo
Enability Foundation
Rehabilitation & Disability Inclusion
Strategic Collaboration Partner
Pricing

Two Flexible Models

Both models include all three screening tools and Atmosphear cloud dashboard access.

Model A · Outright Purchase
Institution License
  • Screening module for mild-to-moderate hearing loss
  • Screening module for moderately severe and above (disabling hearing loss)
  • Annual Atmosphear cloud subscription
  • All three screening tools included
  • Software updates & technical support
  • Customised training programme
Model B · Flexible Access
Pay Per Test
  • Device provided at no upfront cost
  • Pay only per test administered
  • Full Atmosphear cloud included
  • All three screening tools included
  • Onsite training & support
  • Ideal for school health programmes
Contact

Get in Touch

Book a demo, enquire about deployment, or discuss research collaboration.

📧
Email
director@asphear.com
sales@asphear.com
📱
Phone
+91-9176900015
📍
Location
Chennai, India
🌐
Website
www.asphear.com
"Every child deserves to be heard."
ASPHEAR · Chennai, India
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Careers

Join us as an intern

We take on interns across audiology, speech-language pathology, embedded/mobile engineering, and public-health research. If you want hands-on experience building screening tools that reach real children in real communities, we'd like to hear from you.

Apply for an Internship →
Send your CV and area of interest to director@asphear.com