M. R. Schroeder. New method for measuring reverberation times. J. Acoust. Soc. Amer., 37:232--235, 1965. Home/Search Document Not in Database Summary Related Articles Check |
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Software implementation of an MLS analyzer, with tools for.. - Farina, Righini (1997) (1 citation) (Correct)
....the international standard ISO 3382. The reverberation times can be computed at various frequency (usually in octave bands) and taking into account various ranges of the decay curve. The decay curve is built by the well known backward integration algorithm, originally introduced by M. Schroeder [13], applied to octave band filtered versions of the original impulse response. A noise removal optional utility as been added, based on the method suggested on the ISO3382 standard. At this point, 4 different ranges can be taken into account, for computing the following reverberation times: EDT ....
M. Schroeder, "New method of measuring reverberation time", J. Ac. Soc. Am., vol. 37, pp. 409-412, 1965.
Simulation of Room Accoustics with a 3-D Finite Difference Mesh - Savioja, al. (Correct)
.... from the sidewall Point P1 primary wavefront reflection from the ceiling phase reversed reflections Figure 4:Diffraction from the hole Below are figures of lowpass filtered impulse response at point P1 and the corresponding Schroeder integral, which can be used to estimate reverberation times [Schroeder, 1965]. Figure 5:Impulse response at point P1 Figure 6:Schroeder integral for estimation of reverberation time In the following examples the test configuration is formed of a corridor with the sound source near one end and a square shaped pillar at the other end. The long sidewalls are unechoic. ....
M. R. Schroeder, New Method of Measuring Reverberation Time, J. Acoust. Soc. Am., Vol 37, pp. 4090-412.
The Huge Microphone Array (HMA) - Silverman, III (1996) (Correct)
....in most small room environments the near field is important and spherical wave propagation must be assumed. Inverse filtering (or deconvolution) algorithms require estimation of the RTF between the signal source and the receiver. RTF s are typically measured using test signals such as white noise [26] or a frequency chirp [27, 28] An inverse filtering method that does not require a direct measurement of the RTF is said to perform blind deconvolution [29] Inverse filtering techniques usually are intended to correct only spectral coloration (early room echo) not late room echoes. If the RTF ....
M. R. Schroeder. New method of measuring reverberation time. J. Acoust. Soc. Amer., 37(?):409--412, ? 1965.
Analysis and Synthesis of Room Reverberation Based on a.. - Jot, Cerveau, Warusfel (1997) (2 citations) (Correct)
....an accurate analysis procedure allowing to estimate the decay characteristics from a measured impulse response, with high resolution in the frequency domain and sufficient immunity with respect to the measurement noise. The time reversed energy integration procedure initially proposed by Schroeder [8] was extended for this purpose, leading to a time frequency representation termed the Energy Decay Relief (EDR) 5, 6] The definition and properties of the EDR are discussed in the second part of this paper, along the lines of [5] In the third part, its relation to the timefrequency envelope is ....
....and the microphone. The reverberation time Tr is typically evaluated by doubling the time interval between 5 dB and 35 dB. The procedure is repeated with a bandpass filter inserted at the microphone output to obtain EDCs and measurements of the reverberation time in different frequency bands [8, 14]. Schroeder [8] showed that, if the excitation signal is a white random noise, the ensemble average of the level recorded at the microphone (i.e. the ideal EDC) is identical to the curve obtained from a single recording of the impulse response h(t) by computing a backward integration of the ....
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Schroeder, M.R. (1965). "New method for measuring reverberation time", J. Acoust. Soc. Am. 37: 409-412.
Sound Synthesis By Simulation Of Physical Models Of Musical.. - Nackaerts (2003) (Correct)
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M. R. Schroeder. New method for measuring reverberation times. J. Acoust. Soc. Amer., 37:232--235, 1965.
Room Impulse Response Variation Due to Temperature.. - Elko, Diethorn, Gaensler (2002) (Correct)
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M. R. Schroeder, "New method of measuring reverberation time, J. Acoust. Soc. Am. 37, 409412 1965.
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