sound transmission class

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sound transmission class, STC

A single-number rating of the sound insulation value of a partition, door, or window; it is derived from a curve of its insulation value as a function of frequency; the higher the number, the more effective the sound insulation.

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No references found			Impact Sound The movement of non-impact or airborne sounds, such as speech, music and household noise, that travel through walls and ceilings is measured on a scale called the Sound Transmission Class (STC). The sound of silence: reducing impact noise by Downey, Paul / Units The sound transmission class was devised by the American Society for Testing and Materials (ASTM) and STC rated doors are tested in compliance with the ASTM E90 Standard Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions. Do you know? by Doors and Hardware The Sound Trap system, configured with Firedoor's STC 51, 9' x 1-3/4" steel doors, achieved a Sound Transmission Class (STC) rating of 51, higher than the 50 rating specified for the project. Keeping things quiet by Wexler, Elias / Doors and Hardware			Sound Pressure sound pressure level sound pressure spectrum level sound production Sound Ranging Sound Ranging Observation Post sound ray sound reception Sound Recording Sound Recording, Mechanical sound reduction factor sound reduction index sound reflection coefficient sound reproduction sound sensation Sound Spectrograph Sound Spectrum sound speed Sound Stage Sound Symbolism Sound Symposium sound system Sound Track sound transducer sound transmission sound transmission class sound transmission coefficient sound transmission loss sound trap sound velocity sound volume velocity sound wave sound waves sound weighting network sound wood Sound, Analysis of Sound, Masking of Sound, the Sound-absorbing Structures sound-amplification system sound-control booth sound-control console sound-control glass sound-energy density sound-energy flux sound-field enhancement sound-insulating glass Sound-Level Meter sound-power level sound-powered telephone sound-pressure level			sound stages Sound Status Memory sound stewardship sound structure Sound suppressor Sound suppressor Sound suppressors Sound suppressors Sound Surveillance Evaluation Center SOund SUrveillance System Sound symbol Sound symbolism Sound Symposium Sound synthesis Sound synthesis sound system sound system Sound systems Sound systems sound the death knell sound the death knell for sound therapy sound thinking sound track sound track sound track Sound Track Channel Sound Trail and Rail Society, Inc. sound transducer sound transmission sound transmission class Sound Transmission Coefficent Sound Transmission Coefficient Sound Transmission Coefficient sound transmission loss sound transmission loss sound transmission loss sound transmission loss Sound trap Sound Tribe Sector 9 sound truck sound understanding Sound Underwater Signal Sound Underwater Signaling Down Link sound unit Sound velocity Sound velocity Sound Velocity Profile Sound Velocity, Salinity, Temperature, Depth Sound View Community Media Sound virus Sound virus Sound Vision Audio Visual sound vocalization sound volume velocity sound w sound w sound w sound w sound w Sound wall

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