1. HUAWEI Technologies Düsseldorf GmbH, Munich Office, European Research Center, Munich, Germany
2. International Audio Laboratories Erlangen, (a joint institution of the University of Erlangen-Nuremberg and Fraunhofer IIS), Erlangen, Germany
3. Northwestern Polytechnical University, Xi’an, Xi’an, China
4. INRS-EMT, University of Quebec, Suite, Canada