AMAVA: Adaptive Motion-Aware Video-to-Audio Framework for Visually-Impaired Assistance
- URL: http://arxiv.org/abs/2604.23909v1
- Date: Sun, 26 Apr 2026 23:03:15 GMT
- Title: AMAVA: Adaptive Motion-Aware Video-to-Audio Framework for Visually-Impaired Assistance
- Abstract summary: We present AMAVA, a novel real-time video-to-audio framework that converts mobile device video into contextually relevant sound effects or text-to-speech descriptions.<n>In static environments, AMAVA generates spoken audio scene descriptions for situational awareness.<n>In high-movement situations, it prioritizes safety by delivering sound cues, such as spoken hazard alerts and environmental sound effects.
- Score: 1.8199179205103146
- License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
- Abstract: Navigational aids for blind and low vision individuals struggle conveying dynamic real-world environments, leading to cognitive overload from continuous, undifferentiated feedback. We present AMAVA, a novel real-time video-to-audio framework that converts mobile device video into contextually relevant sound effects or text-to-speech descriptions. We propose a motion-aware pipeline using a lightweight AI classification model to distinguish between low and high-movement scenes followed by a real-time text-to-audio synthesis pipeline to enhance environmental perception more efficiently. In static environments, AMAVA generates spoken audio scene descriptions for situational awareness. In high-movement situations, it prioritizes safety by delivering sound cues, such as spoken hazard alerts and environmental sound effects. These audio outputs are produced by a decoder-only transformer-based vision-language model with mixture-of-experts and cross-modal attention for visual understanding, in conjunction with neural text-to-speech and natural sound synthesis networks. The proposed framework uses prompt-based caching and category-specific throttling to avoid auditory clutter and minimize latency. We present a comprehensive evaluation of the system, including a real-time navigation study comparing a white cane alone versus with AMAVA, that shows a significant increase in user confidence and perceived safety.
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