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Iterative Closed-Loop Phase-Aware Single-Channel Speech Enhancement

Pejman Mowlaee, Rahim Saeidi
2013 IEEE Signal Processing Letters  
Many short-time Fourier transform (STFT) based single-channel speech enhancement algorithms are focused on estimating the clean speech spectral amplitude from the noisy observed signal in order to suppress  ...  This paper presents two contributions: i) reconsidering the relation between the phase group delay deviation and phase deviation, and ii) proposing a closed-loop single-channel speech enhancement approach  ...  INTRODUCTION D ESIRED speech signals are often corrupted with some background noise where the recording takes place, resulting in the requirement of a single-channel speech enhancement pre-processor for  ... 
doi:10.1109/lsp.2013.2286748 fatcat:q44wmnntrvewnmu7qef2swm43y

On phase importance in parameter estimation in single-channel speech enhancement

Pejman Mowlaee, Rahim Saeidi
2013 2013 IEEE International Conference on Acoustics, Speech and Signal Processing  
In particular, we focus on the two required steps in a typical single-channel speech enhancement system, namely: parameter estimation solved by a minimum mean square error (MMSE) estimator of the speech  ...  In this paper, we study the impact of exploiting the spectral phase information to further improve the speech quality of the single-channel speech enhancement algorithms.  ...  Rainer Martin for his fruitful discussions and helpful comments 1 CONCLUSION  ... 
doi:10.1109/icassp.2013.6639113 dblp:conf/icassp/MowlaeeS13a fatcat:yjyz2zn43rdtjk3yp5ffx77xou

Target speaker separation in a multisource environment using speaker-dependent postfilter and noise estimation

Pejman Mowlaee, Rahim Saeidi
2013 2013 IEEE International Conference on Acoustics, Speech and Signal Processing  
In this paper, we present a novel system for enhancing a target speech corrupted in a non-stationary real-life noise scenario.  ...  Index Terms: Multisource noise, speech enhancement, speech quality, non-stationary noise.  ...  The performance of the proposed system was compared with the state-of-the art speech enhancement methods as well as two benchmark systems submitted to CHiME challenge.  ... 
doi:10.1109/icassp.2013.6639071 dblp:conf/icassp/MowlaeeS13 fatcat:cavmmz2xzraytobygzykzp75mi

Single Channel Speech Enhancement: Using Wiener Filtering with Recursive Noise Estimation

Navneet Upadhyay, Rahul Kumar Jaiswal
2016 Procedia Computer Science  
This paper discusses the problem of single channel speech enhancement in stationary environments, and proposes Wiener filtering with the recursive noise estimation algorithm.  ...  The measures prove that the speech enhanced by proposed algorithm is more pleasant to the human ear for both noise conditions in comparison to the conventional speech enhancement method.  ...  The classification of speech enhancement system is based on the number of microphones of information available for processing into a single channel, dual channel or multi-channel speech enhancement.  ... 
doi:10.1016/j.procs.2016.04.061 fatcat:vs4wv4a6qbatrkh2srin6xc3g4

Multichannel Speech Enhancement Based on Generalized Gamma Prior Distribution with Its Online Adaptive Estimation

T. HUY DAT, K. TAKEDA, F. ITAKURA
2008 IEICE transactions on information and systems  
We present a multichannel speech enhancement method based on MAP speech spectral magnitude estimation using a generalized gamma model of speech prior distribution, where the model parameters are adapted  ...  The utilization of a more general prior distribution with its online adaptive estimation is shown to be effective for speech spectral estimation in noisy environments.  ...  Statistical speech enhancement [8] is a sub-direction of model-based methods and has shown good performances for the single channel approach.  ... 
doi:10.1093/ietisy/e91-d.3.439 fatcat:e4qruin6ljhini32lkvo77zjfm

Integrated speech enhancement for functional MRI environment

N. Pathak, A.A. Milani, I. Panahi, R. Briggs
2009 2009 Annual International Conference of the IEEE Engineering in Medicine and Biology Society  
followed by a single-channel post processing SE algorithm.  ...  This paper presents an integrated speech enhancement (SE) method for the noisy MRI environment.  ...  In this paper we compare the performances of three categories of single-channel speech enhancement methods which are spectral subtraction, sub-space, and MMSE [5] .  ... 
doi:10.1109/iembs.2009.5334798 pmid:19964964 fatcat:g66ggcsvtzds3h5ekwkw4dyurq

Phase-locked Loop (PLL) Based Phase Estimation in Single Channel Speech Enhancement

Priya Pallavi, Ch V Rama Rao
2018 Interspeech 2018  
This work focused on Phase-Locked Loop (PLL) based time-domain approach for estimating the clean speech phase from noisy speech signal.  ...  Recent studies on the importance of phase in enhancement process shows that the clean speech phase improves the quality of the enhanced signal.  ...  Conclusions This work focused on improving the performance of single channel speech enhancement methods by estimating the clean speech phase.  ... 
doi:10.21437/interspeech.2018-1950 dblp:conf/interspeech/PallaviR18 fatcat:t3vpsn5dl5arbnuqndetlbq3ga

Improved MVDR Beamforming Using Single-Channel Mask Prediction Networks

Hakan Erdogan, John R. Hershey, Shinji Watanabe, Michael I. Mandel, Jonathan Le Roux
2016 Interspeech 2016  
In this study, we use singlechannel speech enhancement deep networks to form masks that can be used for noise spatial covariance estimation, which steers the MVDR beamforming toward the speech.  ...  Recent studies on multi-microphone speech databases indicate that it is beneficial to perform beamforming to improve speech recognition accuracies, especially when there is a high level of background noise  ...  Use a separate "single-channel LSTM enhancement" mask for each channel to obtain noise spatial covariance estimates (multi-mask scenario).  ... 
doi:10.21437/interspeech.2016-552 dblp:conf/interspeech/ErdoganHWMR16 fatcat:6ac7xcoehbe5xblf6kmqlziq7y

Student-Teacher Learning for BLSTM Mask-based Speech Enhancement [article]

Aswin Shanmugam Subramanian, Szu-Jui Chen, Shinji Watanabe
2018 arXiv   pre-print
This paper proposes a student-teacher learning paradigm for single channel speech enhancement.  ...  However, when these masks are used for single channel speech enhancement they severely distort the speech signal and make them unsuitable for speech recognition.  ...  Conclusion We proposed a new training paradigm for mask estimation using BLSTMs based on student-teacher training for single channel speech enhancement.  ... 
arXiv:1803.10013v1 fatcat:6vgnrlwhbfbxtab2lo333t4g4y

Block-Online Multi-Channel Speech Enhancement Using DNN-Supported Relative Transfer Function Estimates [article]

Jiri Malek, Zbynek Koldovsky, Marek Bohac
2019 arXiv   pre-print
This work addresses the problem of block-online processing for multi-channel speech enhancement.  ...  Moreover, word error rate (WER) achieved by a baseline automatic speech recognition system is evaluated, for which the enhancement method serves as a front-end solution.  ...  The influence of input SNR on the enhancement is studied in Figure 5 using PESQ, which evaluates both noise suppression and speech distortion in a single measure.  ... 
arXiv:1905.03632v3 fatcat:iqbvzk2r7jhxpoxmbozimnbckq

Student-Teacher Learning for BLSTM Mask-based Speech Enhancement

Aswin Shanmugam Subramanian, Szu-Jui Chen, Shinji Watanabe
2018 Interspeech 2018  
This paper proposes a studentteacher learning paradigm for single channel speech enhancement.  ...  However, when these masks are used for single channel speech enhancement they severely distort the speech signal and make them unsuitable for speech recognition.  ...  Conclusion We proposed a new training paradigm for mask estimation using BLSTMs based on student-teacher training for single channel speech enhancement.  ... 
doi:10.21437/interspeech.2018-2440 dblp:conf/interspeech/SubramanianCW18 fatcat:rbuy7b6weneyvodxsr646fc4au

Speech enhancement methods based on binaural cue coding

Xianyun Wang, Changchun Bao
2019 EURASIP Journal on Audio, Speech, and Music Processing  
Next, the estimated exact cues are used to obtain a time-frequency (T-F) mask for enhancing noisy speech based on the decoding of BCC.  ...  The exact inter-channel cues are extracted from clean speech and noise, and the pre-enhanced inter-channel cues are extracted from the pre-enhanced speech and estimated noise.  ...  Noise signals are chosen from NOISEX-92 databases [56] in the experiment.  ... 
doi:10.1186/s13636-019-0164-x fatcat:3ysievp6ibfr5oy5c25cec4m3y

A Review of Speech Signal Enhancement Techniques

Devyani S., Ratnadeep R., Pukhraj P.
2016 International Journal of Computer Applications  
The objective of this paper is to provide an overview of speech enhancement algorithms which are used for enhancement of speech signal.  ...  During the speech communication, the signals contains some noise so when processing the digital speech signals; speech signal enhancement is very important step.  ...  We have studied different Types of Noise and Its Removal Techniques. Also we have seen Speech Enhancement Methods like Single Channel and Multi-Channel Enhancing Techniques and their sub types.  ... 
doi:10.5120/ijca2016909507 fatcat:hp62qd243vcjheqxzgp57eadgu

Speech Enhancement using Spectral Subtraction-type Algorithms: A Comparison and Simulation Study

Navneet Upadhyay, Abhijit Karmakar
2015 Procedia Computer Science  
The spectral subtraction is historically one of the first algorithms proposed for the enhancement of single channel speech.  ...  In this method, the noise spectrum is estimated during speech pauses, and is subtracted from the noisy speech spectrum to estimate the clean speech.  ...  The spectral subtraction method of single channel speech enhancement is the most widely used conventional method for reducing additive noise 8 .  ... 
doi:10.1016/j.procs.2015.06.066 fatcat:cxzpmgrdprfwzn6xvjce76mqvu

Time-frequency constraints for phase estimation in single-channel speech enhancement

Pejman Mowlaee, Rahim Saeidi
2014 2014 14th International Workshop on Acoustic Signal Enhancement (IWAENC)  
Through extensive simulations, the effectiveness of the proposed phase estimation methods in single-channel speech enhancement is demonstrated.  ...  Previous single-channel speech enhancement algorithms often employ noisy phase while reconstructing the enhanced signal.  ...  The current study indicates the effectiveness of the proposed phase estimation approach to push the limits of conventional single-channel speech enhancement in which the noisy phase is used for signal  ... 
doi:10.1109/iwaenc.2014.6954314 dblp:conf/iwaenc/MowlaeeS14 fatcat:w2aj4hdumbbbrnqoizrgzbhbqm
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