Sergio Brofferio

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In this paper we present a novel solution to the problem of acoustic echo cancellation in the context of mobile communications. Traditionally , speech enhancement techniques in mobile networks are done in the transcoding unit operating on the uncoded signal. This means that the signal coming from the mobile terminals has to be decoded, enhanced and encoded(More)
This paper introduces a new measure of confusion between phones, based on isolated word recognition tests. This metric combines the advantages of previous measures, and excludes their disadvantages. It can be used for comparing the performance of two speech rec-ognizers at phone level, providing a useful design tool. The main advantage is that tests are(More)
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