Evidence · first-party tested

Keeps speech intelligible but substantially changes the speaker's tone, making the output sound less natural and unlike the original voice.

⚠ Struggled🧾 artifact-verifiedTested Jun 16, 2026Cleanvoice
Output — unretouched
Cleanvoice — Outside_in_balcony_birds_vehicles_and_surrounding_noise - Cleanvoice.wav
Cleanvoice — Outside_in_balcony_birds_vehicles_and_surrounding_noise - Cleanvoice.wav
Output — unretouched
Cleanvoice — Outside in balcony birds vehicles and surrounding noise.wav
Cleanvoice — Outside in balcony birds vehicles and surrounding noise.wav
The observation

Keeps speech intelligible but substantially changes the speaker's tone, making the output sound less natural and unlike the original voice.

Criterion: Voice Preservation · Scenario: Outdoor balcony recording with birds, vehicles, wind, and chair movement (group: audio-noise-removal-recordings)
Query this
get_evidence({
  tool: "cleanvoice",
  scenario: "audio-noise-removal-recordings"
})
MCP · mcp.aidemos.com/api/mcp
Free with attribution.
Real outputs, no retouching · every cell queryable via API & MCP · aidemos.com