9th Annual Conference of the International Speech Communication Association

Brisbane, Australia
September 22-26, 2008

Phonetic Query Expansion for Spoken Document Retrieval

Jonathan Mamou (1), Bhuvana Ramabhadran (2)

(1) IBM Haifa Research Lab, Israel; (2) IBM T.J. Watson Research Center, USA

We are interested in retrieving information from speech data using phonetic search. We show improvement by expanding the query phonetically using a joint maximum entropy N-gram model. The value of this approach is demonstrated on Broadcast News data from NIST 2006 Spoken Term Detection evaluation.

Full Paper

Bibliographic reference.  Mamou, Jonathan / Ramabhadran, Bhuvana (2008): "Phonetic query expansion for spoken document retrieval", In INTERSPEECH-2008, 2106-2109.