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NCJ Number: NCJ 194029     Find in a Library
Title: Loud Car Stereos
  Document URL: PDF 
Author(s): Michael S. Scott
Date Published: 2001
Page Count: 43
  Annotation: This guide discusses the nature and analysis of the problem of loud car stereos, one of the most common sources of noise complaints in many jurisdictions, and reviews some responses to the problem based on evaluative research and police practice.
Abstract: Police concern about loud car stereos stems both from the frequency of citizen complaints and the inability of offenders to hear emergency signals and other drivers' horns while driving. This guide, however, focuses on the annoyance aspect of loud car stereos rather than the safety aspect, primarily because there is not much published research and practice related to the latter issue. Understanding the factors that contribute to the problem helps in the framing of local analysis questions, in determining appropriate effectiveness measures, in recognizing key intervention points, and in selecting appropriate responses. The guide advises that amplified car stereos emit a high volume of low-frequency sound through the systems' woofer speakers. Such sounds are usually more annoying than high-frequency noise at similar volume. In addition to being heard, the low-frequency sound waves can often be felt as they cause glass and ceramics to rattle. In addition to the annoyance, overexposure to noise can have a number of negative health and behavioral effects. This guide provides some questions that local police agencies should pose in analyzing the local problem of loud car stereos. The questions pertain to the prevalence and frequency of complaints, the characteristics of complainants and their complaints, offender characteristics and attitudes, locations/times, and current responses. The guide also lists potentially useful measures for determining the effectiveness of responses to the problem of loud car stereos. A section on responses to the problem reviews the effectiveness of the enforcement of noise laws, warnings and education, and a response with limited effectiveness. The latter refers to the enforcement of laws that require police to make subjective judgments about noise. 21 notes, 17 references, and an appended summary of responses to loud car stereos
Main Term(s): Problem-Oriented Policing
Index Term(s): Misdemeanor ; Disorderly conduct ; Municipal ordinances ; Public order offenses
Sponsoring Agency: US Department of Justice
United States of America
Contract Number: 99-CK-WX-K004
Sale Source: NCJRS Photocopy Services
Box 6000
Rockville, MD 20849-6000
United States of America

US Department of Justice
Washington, DC 20530
United States of America
Type: Instructional Material
Country: United States of America
Language: English
Note: Problem-Oriented Guides for Police Series, No. 7.
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