Explore: Noise Figure Contours

palette, no dithering will occur (Figure 2). However, typically this approach will result in flat areas (contours) and a loss of detail and may produce

when two or three contours coterminate (that is, end together at the same point), in the image, i.e., an L (2 contours), fork (3 contours with all angles

the US, the FAA offers sound-reducing for homes that fall within a noise contour where the average sound level is 65 dB SPL or greater. It is part of

of loudness, in order to get a measured figure that correlates well with subjective effect. The ITU-R 468 noise weighting was devised specifically for

lower-than-normal speeds, and hearing voices (mainly indistinct) or music in random noise, such as that produced by air conditioners or by fans. Face pareidolia has

roll-off (increase in thresholds). Noise-induced hearing loss has a characteristic notch at 4000 Hz. Other contours may indicate other causes for the hearing

laboratory animals and to 60 days for large animals and humans. The LD50 figure assumes that the individuals did not receive other injuries or medical treatment

is a widely used effect in graphics software, typically to reduce image noise and reduce detail. The visual effect of this blurring technique is a smooth

Equal-Loudness Level Contours (ISO 226)". aist.go.jp. Archived from the original on 15 January 2006. "Free hearing test on line: Equal loudness contours and audiometry"

alignment of stern contour of the vessel, adjusting of variables following the weekly and monthly schedule are the most effective routes to noise and vibration