Document Detail

The sound strength parameter G and its importance in evaluating and planning the acoustics of halls for music.
MedLine Citation:
PMID:  21568405     Owner:  NLM     Status:  In-Data-Review    
The parameter, "Strength of Sound G" is closely related to loudness. Its magnitude is dependent, inversely, on the total sound absorption in a room. By comparison, the reverberation time (RT) is both inversely related to the total sound absorption in a hall and directly related to its cubic volume. Hence, G and RT in combination are vital in planning the acoustics of a concert hall. A newly proposed "Bass Index" is related to the loudness of the bass sound and equals the value of G at 125 Hz in decibels minus its value at mid-frequencies. Listener envelopment (LEV) is shown for most halls to be directly related to the mid-frequency value of G. The broadening of sound, i.e., apparent source width (ASW) is given by degree of source broadening (DSB) which is determined from the combined effect of early lateral reflections as measured by binaural quality index (BQI) and strength G. The optimum values and limits of these parameters are discussed.
Leo Beranek
Related Documents :
10482745 - Horizontal vestibuloocular reflex evoked by high-acceleration rotations in the squirrel...
15571735 - Acceleration characteristics of human ocular accommodation.
8528475 - Vestibulo-ocular response of human subjects seated in a pivoting support system during ...
14558725 - The differential vulnerability of the inner ear end-organs to several external factors.
7118735 - Boundaries of two-tone rate suppression of cochlear-nerve activity.
2358415 - Tuning and suppression in auditory nerve fibers of aged gerbils raised in quiet or noise.
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Journal of the Acoustical Society of America     Volume:  129     ISSN:  1520-8524     ISO Abbreviation:  J. Acoust. Soc. Am.     Publication Date:  2011 May 
Date Detail:
Created Date:  2011-05-16     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7503051     Medline TA:  J Acoust Soc Am     Country:  United States    
Other Details:
Languages:  eng     Pagination:  3020     Citation Subset:  IM    
BBN(now, ACENTECH) Cambridge, Massachusetts 02199.
Export Citation:
APA/MLA Format     Download EndNote     Download BibTex
MeSH Terms

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

Previous Document:  Robust active noise control in the loadmaster area of a military transport aircraft.
Next Document:  On the efficacy of spatial sampling using manual scanning paths to determine the spatial average sou...