A3.09
Ambient Noise and Signal-to-Noise Ratio
Cards in this group · 6
- A3.09.1What makes speech intelligible is how far it rises above the background, not the noise level alone
- A3.09.2A noisy room garbles what a device says and what its microphone hears, both at once
- A3.09.3In a library or a sleeping room, the question isn't whether a sound can be heard but whether it should be
- A3.09.4A familiar sentence needs far less signal above the noise than an unfamiliar string of digits does
- A3.09.5One fixed volume setting can't survive a day that runs from a quiet bedroom to a subway car
- A3.09.6Noise cancellation quiets what reaches the ear; it doesn't touch the device's own volume setting