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If the noise level within a classroom rises above a certain level, the teacher can raise their hand and show the silent fox. The silent fox gesture depicts a fox with its ears pointed up and its mouth closed. [1] It is intended to encourage the students to do the same as the fox, which is to listen closely and to stop speaking. [2] [3] [4]
Industrial noise is traditionally associated with manufacturing settings where industrial machinery produces intense sound levels, [22] often upwards of 85 decibels. While this circumstance is the most dramatic, there are many other work environments where sound levels may lie in the range of 70 to 75 decibels, entirely composed of office ...
The Good Behavior Game (GBG) is a "classroom-level approach to behavior management" [26] that was originally used in 1969 by Barrish, Saunders, and Wolf. The Game entails the class earning access to a reward or losing a reward, given that all members of the class engage in some type of behavior (or did not exceed a certain amount of undesired ...
The objective aspect limits the acceptable sound level in the local community. Illinois (Environmental Protection Act 415.25) exempts certain stadiums and exempts festivals, parades, or street fairs. Colorado Spring, CO (Section 9.8.101) has similar exemptions, but limits the sound levels to 80 dB(A) at residential locations.
When sound levels reach a high enough intensity, the sound, whether it is wanted or unwanted, may be damaging to hearing. [3] Environmental noise monitoring is the measurement of noise in an outdoor environment caused by transport (e.g. motor vehicles, aircraft, and trains), industry (e.g. machines) and recreational activities (e.g. music).
In other cases, special noise may also be tolerated or even introduced at higher levels, for example to create acoustic "privacy", or to help mask other more irritating noise sources. The process of determining the single value for a particular room is first to measure the sound frequency spectrum created by the background noise in the room ...
She says that her interest in introducing Swift to the classroom stemmed from her desire to "challenge" student perceptions of classic literature. Why are so many colleges offering Taylor courses?
Speech Transmission Index (STI) is a measure of speech transmission quality. The absolute measurement of speech intelligibility is a complex science. The STI measures some physical characteristics of a transmission channel (a room, electro-acoustic equipment, telephone line, etc.), and expresses the ability of the channel to carry across the characteristics of a speech signal.