Dependence on Early and Late Reverberation of Single-Channel Speaker Distance Estimation
Single-channel speaker distance estimation has recently achieved centimeter-level accuracy in simulated environments, yet it remains unclear which components of the room impulse response (RIR) the model exploits and how performance depends on the recording conditions. In this work, we decompose simulated RIRs into four variants (full, direct-only, no-late, and no-early) using the mixing time estimated from the echo density function as the boundary between early reflections and late reverberation. We define four calibration scenarios, from fully calibrated (synchronised capture, known source level) to fully uncalibrated (arbitrary onset, unknown level), and evaluate all combinations on a m...
| Authors | Michael Neri, Archontis Politis, Tuomas Virtanen |
|---|---|
| Primary category | eess.AS |
| Published | 8 May 2026 |
| Last updated at source | 1 July 2026 |
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