Voice AI for Everyone
15% din populație are o formă de dizabilitate. Accessibility testing asigură că agentul servește pe toți, nu doar pe majoritatea.
Accessibility Coverage
Speech Impairments
87% coverageStutteringSlow speechSlurred speechLow volume
Hearing Difficulties
92% coverageRepeat requestsSlower TTSClear pronunciationConfirmation loops
Cognitive
89% coverageSimple languageShorter sentencesStep-by-step guidancePatience with confusion
Non-native Speakers
85% coverageAccent toleranceGrammar flexibilityCode-switchingSlower pace option
Test Scenarios
Stuttering Caller
PASSCaller: “V-v-vreau să... să p-p-programez...”
✓ Agent waits patiently, doesn't interrupt, confirms understanding
Very Slow Speech (60 WPM)
PASSCaller speaks 3x slower than average
✓ Agent adjusts timeout, matches pace, no rushing
Hearing Difficulty - Repeat Request
PASSCaller: “Puteți repeta? Nu am auzit bine.”
✓ Agent repeats slower, clearer, offers to spell out
Non-native with Heavy Accent
PARTIALCaller speaks Romanian with strong foreign accent
⚠ 85% accuracy, sometimes asks for clarification
Adaptive Behaviors
TTS Adaptations
✓Adjustable speech rate (0.75x - 1.25x)
✓Clearer pronunciation mode
✓Longer pauses between sentences
✓Number spelling option
ASR Adaptations
✓Extended silence timeout
✓Stutter/repetition filtering
✓Low confidence re-prompting
✓Multi-accent model
WCAG Voice Guidelines
1.1 - Perceivable
Informația e prezentată în moduri ce pot fi percepute de toți
2.1 - Operable
Interacțiunea nu necesită abilități specifice
3.1 - Understandable
Limbaj simplu, structură clară, ghidare pas cu pas
4.1 - Robust
Funcționează cu diverse dispositives și conexiuni