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CASCADED ALL-PASS FILTERS WITH RANDOMIZED CENTER FREQUENCIES AND PHASE POLARITY FOR ACOUSTIC AND SPEECH MEASUREMENT AND DATA AUGMENTATION

Citation Author(s):
HIdeki Kawahara, Kohei Yatabe
Submitted by:
Hideki Kawahara
Last updated:
23 June 2021 - 11:35am
Document Type:
Presentation Slides
Document Year:
2021
Event:
Presenters Name:
HIdeki Kawahara
Paper Code:
5206

Abstract 

Abstract: 

A new Time-Stretched-Pulse provides a solid foundation of acoustic measurements
Motivation: Measure and record speech data acquisition and presentation conditions
Issues: The target (real-world) systems consist of not only linear time-invariant but also non-linear time-invariant, random, and time-varying responses
Solution: We invented a simultaneous measurement of multiple paths by combining extended TSP signals with binary orthogonal weight sequences
Solid foundation: Cascading all-pass filters with randomized center frequencies and phase polarity yields an extended TSP, called CAPRICEP
Example application: We open-sourced an interactive and real-time tool

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Dataset Files

ICASSP2021 Presentation slides on acoustic measurement method

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