Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Background Noise(also: Ambient noise, Environmental noise)
- The sum of unwanted or competing sound in an environment — traffic, construction, conversation, HVAC systems, weather — that is present alongside a signal of interest. Background noise is characterized by sound level (dB), spectral content, duration, and steadiness versus…
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