5 papers
Is Word Error Rate Enough? Rethinking Privacy Evaluation in Speech with Entity-Aware Metrics
Anjana Rajasekhar, Jule Pohlhausen, Nayana Jacob Alappattu +1
As the use of smart devices continues to increase, their potential to capture sensitive speech content raises growing privacy concerns. It is therefore critical to develop techniqu…
From Read Speech to Spoken Digits: A Task-Specific Evaluation of Speech Privacy With Informed Attackers
Jule Pohlhausen, Anjana Rajasekhar, Anna Leschanowsky +1
Protecting speech privacy in real-life audio recordings is a growing concern. This contribution evaluates the effectiveness of three obfuscation techniques in protecting linguistic…
Revisiting the Privacy of Low-Frequency Speech Signals: Exploring Resampling Methods, Evaluation Scenarios, and Speaker Characteristics
Jule Pohlhausen, Jörg Bitzer
While audio recordings in real life provide insights into social dynamics and conversational behavior, they also raise concerns about the privacy of personal, sensitive data. This…
Long-Term Conversation Analysis: Privacy-Utility Trade-off under Noise and Reverberation
Jule Pohlhausen, Francesco Nespoli, Joerg Bitzer
Recordings in everyday life require privacy preservation of the speech content and speaker identity. This contribution explores the influence of noise and reverberation on the trad…
Long-term Conversation Analysis: Exploring Utility and Privacy
Francesco Nespoli, Jule Pohlhausen, Patrick A. Naylor +1
The analysis of conversations recorded in everyday life requires privacy protection. In this contribution, we explore a privacy-preserving feature extraction method based on input…