Abstract
Binaural beamformers (BFs) aim to reduce the output noise power while simultaneously preserving the binaural cues of all sources. Typically, the latter is accomplished via
constraints relating the output and input interaural transfer functions (ITFs). The ITF is a function of the corresponding relative acoustic transfer function (RATF), which implies that RATF estimates of all sources in the acoustic scene are required. Here, we propose an alternative way to approximately preserve the binaural cues of the entire acoustic scene without estimating RATFs. We propose to preserve the binaural cues of all sources with a set of fixed pre-determined RATFs distributed around the head. Two recently proposed binaural BFs are evaluated in the context of using pre-determined RATFs and compared to the binaural minimum variance distrortionless response BF which can only preserve the binaural cues of the target.
constraints relating the output and input interaural transfer functions (ITFs). The ITF is a function of the corresponding relative acoustic transfer function (RATF), which implies that RATF estimates of all sources in the acoustic scene are required. Here, we propose an alternative way to approximately preserve the binaural cues of the entire acoustic scene without estimating RATFs. We propose to preserve the binaural cues of all sources with a set of fixed pre-determined RATFs distributed around the head. Two recently proposed binaural BFs are evaluated in the context of using pre-determined RATFs and compared to the binaural minimum variance distrortionless response BF which can only preserve the binaural cues of the target.
| Original language | English |
|---|---|
| Title of host publication | 25th European Signal Processing Conference, EUSIPCO 2017 |
| Place of Publication | Piscataway, NJ |
| Publisher | IEEE |
| Pages | 1-5 |
| Number of pages | 5 |
| ISBN (Electronic) | 978-0-9928626-7-1 |
| DOIs | |
| Publication status | Published - 2017 |
| Event | EUSIPCO 2017: 25th European Signal Processing Conference - Kos Island, Greece Duration: 28 Aug 2017 → 2 Sept 2017 Conference number: 25 https://www.eusipco2017.org/ |
Conference
| Conference | EUSIPCO 2017 |
|---|---|
| Abbreviated title | EUSIPCO |
| Country/Territory | Greece |
| City | Kos Island |
| Period | 28/08/17 → 2/09/17 |
| Internet address |
Bibliographical note
ISSN: ISSN: 2076-1465Keywords
- Binaural beamforming
- interaural transfer function (ITF)
- relative acoustic transfer function (RATF)