TY - GEN
T1 - Speech separation using partially asynchronous microphone arrays without resampling
AU - Corey, Ryan M.
AU - Singer, Andrew C.
N1 - Publisher Copyright:
© 2018 IEEE.
PY - 2018/11/2
Y1 - 2018/11/2
N2 - We consider the problem of separating speech sources captured by multiple spatially separated devices, each of which has multiple microphones and samples its signals at a slightly different rate. Most asynchronous array processing methods rely on sample rate offset estimation and resampling, but these offsets can be difficult to estimate if the sources or microphones are moving. We propose a source separation method that does not require offset estimation or signal resampling. Instead, we divide the distributed array into several synchronous subarrays. All arrays are used jointly to estimate the time-varying signal statistics, and those statistics are used to design separate time-varying spatial filters in each array. We demonstrate the method for speech mixtures recorded on both stationary and moving microphone arrays.
AB - We consider the problem of separating speech sources captured by multiple spatially separated devices, each of which has multiple microphones and samples its signals at a slightly different rate. Most asynchronous array processing methods rely on sample rate offset estimation and resampling, but these offsets can be difficult to estimate if the sources or microphones are moving. We propose a source separation method that does not require offset estimation or signal resampling. Instead, we divide the distributed array into several synchronous subarrays. All arrays are used jointly to estimate the time-varying signal statistics, and those statistics are used to design separate time-varying spatial filters in each array. We demonstrate the method for speech mixtures recorded on both stationary and moving microphone arrays.
KW - Ad hoc microphone array
KW - Asynchronous microphone array
KW - Audio source separation
KW - Distributed arrays
KW - Sampling rate offset
KW - Spatial filtering
KW - Speech enhancement
UR - https://www.scopus.com/pages/publications/85057402425
U2 - 10.1109/IWAENC.2018.8521260
DO - 10.1109/IWAENC.2018.8521260
M3 - Conference contribution
AN - SCOPUS:85057402425
T3 - 16th International Workshop on Acoustic Signal Enhancement, IWAENC 2018 - Proceedings
SP - 111
EP - 115
BT - 16th International Workshop on Acoustic Signal Enhancement, IWAENC 2018 - Proceedings
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 16th International Workshop on Acoustic Signal Enhancement, IWAENC 2018
Y2 - 17 September 2018 through 20 September 2018
ER -