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Tempo de Reverberação RT60×Inteligibilidade da Fala×
ÁreaAcústicaAcústica
FamíliaProcess / pipelineProcess / pipeline
Ano de origem19001980
Autor originalWallace Clement SabineHerman Steeneken, Tammo Houtgast
TipoRoom acoustic descriptorSpeech clarity assessment method
Fonte seminalSabine, W. C. (1900). Collected Papers on Acoustics. Dover Publications. link ↗Steeneken, H. J., & Houtgast, T. (1980). A physical method for measuring speech-transmission quality. Journal of the Acoustical Society of America, 67(1), 318–326. DOI ↗
Outros nomesRT60, reverberation time, decay timeintelligibility metrics, STI, Speech Transmission Index, clarity index
Relacionados55
ResumoRT60 (reverberation time) is the duration required for sound energy in a room to decay by 60 decibels after the source stops. Pioneered by Wallace Clement Sabine in 1900, RT60 is the most widely used single-number descriptor of room acoustic properties. It reflects how much sound is absorbed versus reflected by room surfaces and directly affects speech intelligibility, music clarity, and acoustic comfort.Speech intelligibility is a quantitative measure of how well listeners understand spoken content in acoustic environments. Formalized by Steeneken and Houtgast in 1980 with the Speech Transmission Index (STI), intelligibility metrics combine room acoustic parameters (RT60, noise, clarity) to predict listener comprehension. Understanding speech intelligibility is essential for designing classrooms, offices, hearing aids, and public address systems where clear communication is critical.
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ScholarGateComparar métodos: RT60 Reverberation Time · Speech Intelligibility. Recuperado em 2026-06-18 de https://scholargate.app/pt/compare