Efficient blind estimation of subband reverberation time from speech in non-diffuse environments

Salomon Diether; Lukas Bruderer; Andreas Streich; Hans-Andrea Loeliger

ICASSP 2015accepted0 citations

Efficient blind estimation of subband reverberation time from speech in non-diffuse environments

Salomon Diether, Lukas Bruderer, Andreas Streich, Hans-Andrea Loeliger

Abstract

To respond to reverberation effectively, modern speech processing tasks like signal enhancement in digital hearing aids or distant-talking speech recognition often require precise knowledge of the acoustic situation. A common measure is the (frequency-dependent) reverberation time T 60 . Explicit measurement using sound excitations is not possible for most applications, therefore blind estimation of subband T 60 from speech signals is employed. Previous approaches are either limited to T 60 between 0...1.5 s, or require long speech signals and costly computation. We propose an efficient algorithm that estimates T 60 up to 6 s from short speech signals of no more than 20 s. In experiments with real room impulse responses (RIR) the algorithm exhibits state-of-the-art performance for T 60 up to 1.5 s and superior performance for longer T 60 .

BibTeX

@inproceedings{icassp2015_efficientblindes,
  title = {Efficient blind estimation of subband reverberation time from speech in non-diffuse environments},
  author = {Salomon Diether and Lukas Bruderer and Andreas Streich and Hans-Andrea Loeliger},
  booktitle = {ICASSP 2015},
  year = {2015}
}