Creating audible sound requires very little energy
the verdict
SUPPORTED
the evidence backs this
confidence 79/100
Environmental sounds like speech and music possess very low energy density, motivating the development of sensitive acoustic energy harvesters.
Evidence for · 2
Leveraging giant magnetoelasticity in soft matter for acoustic energy harvesting.
2025 · cited by 3
Discusses the challenge of recycling energy from low-density acoustic waves found in everyday sounds such as speech and music.
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More for · 1
Triboelectric Nanogenerators Promote Self-Powered Sensing and Intelligent Monitoring.
2026 · cited by 0
Notes that triboelectric nanogenerators can efficiently harvest widely available low-frequency, low-amplitude distributed mechanical energy in the environment.