International Audio Laboratories Erlangen

Demos

Audio Examples

Speech Enhancement:

• An Informed Spatial Filter for Dereverberation in the Spherical Harmonic Domain

• Multichannel Dereverberation for Hearing Aids With Interaural Coherence Preservation

• Relative Transfer Function Estimation Exploiting Instantaneous Signals and the Signal Subspace

• Minimum Bayes-Risk Signal Detection for Speech Enhancement Based on a Narrowband DOA Model

• Single-Channel Dereverberation Using Relative Convolutive Transfer Functions

• Head-Orientation Compensation With Video-Informed Single Channel Speech Enhancement

• Online Dereverberation for Dynamic Scenarios Using a Kalman Filter With an Autoregressive Model

• A Bayesian Approach to Informed Spatial Filtering With Robustness Against DOA Estimation Errors (NEW)

• Non-Stationary Noise PSD Matrix Estimation for Multi-Channel Blind Speech Extraction (NEW)

• Linear Prediction Based Online Dereverberation and Noise Reduction Using Alternating Kalman Filters (NEW)

• Evaluation and Comparison of Late Reverberation Power Spectral Density Estimators (NEW)

• Classification vs. Regression in Supervised Learning for Single Channel Speaker Count Estimation (NEW)

Spatial Sound Acquisition:

• Extracting Reverberant Sound Using a Linearly Constrained Minimum Variance Spatial Filter

• An Informed Parametric Spatial Filter Based on Instantaneous Direction-of-Arrival Estimates

• Automatic Spatial Gain Control for an Informed Spatial Filter

• An Acoustical Zoom Based on Informed Spatial Filtering

Distributed Array Processing:

• Geometry-based Spatial Sound Acquisition Using Distributed Microphone Arrays

• Informed Spatial Filtering for Sound Extraction Using Distributed Microphone Arrays

• Speech Enhancement with a Low-complexity Online Source Number Estimator Using Distributed Arrays

• Near-field Source Extraction Using Speech Presence Probabilities for Ad-Hoc Microphone Arrays

• Spotforming: Spatial Filtering With Distributed Arrays for Position-Selective Sound Acquisition

• Blind Source Separation of Moving Sources Using Sparsity-Based Source Detection and Tracking (NEW)

Spatial Audio Processing:

• Subband Center Scaling using Power Ratios

Audio-Video Examples

• Joint Noise Reduction and Dereverberation