Czasopismo | ELEKTRONIKA - KONSTRUKCJE, TECHNOLOGIE, ZASTOSOWANIA | Rocznik 2011 - zeszyt 5

Fast speaker recognition based on short Polish sequences

nr katalogowy: 59595

Among key issues determining effectiveness and speed of biometric identification systems there is a proper selection of acquisition parameters and representation of the input data. Typically biometric systems are based on the analysis and recognition of various images such as fingerprint, face, iris, ear, hand geometry, etc. [1, 2]. However, nowadays speaker recognition techniques are becoming more and more important. Identification techniques based on acoustic signals (voice) is yet holding about a 3% share in the commercial biometric market only [3]. However, it should be noted that the speaker identification has a number of advantages and can be used to authorization access for many services and systems such as voice dialing options, telephone banking, shopping by phone, database access, voicemail, information services, access to restricted zones, access to computers, etc. In contrast to systems based on image recognition, speaker recognition easier detects sex and nationality. It may also be a part of complex multimodal biometric systems examining many biometric features thus guarantying more effective identification. Speaker recognition techniques can be divided into two types: verification and identification [4, 5]. Speaker verification consists in acceptance or rejection of the speaker. Speech after parameterization is compared with the reference model. Depending on certain diagnosis threshold, the speaker is accepted or rejected. Verification is simpler than the second task namely identification, which consists in recognition which person from a set of the registered people speaks. Parameters of the input speech signal are compared with the base parameters of the reference N-models. Then the maximum selector shows the greatest similarity to the reference model and selects the appropriate speaker ID. Speaker recognition methods can be divided into the following main categories [6]: - text-dependent - speaker recogni[...]

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e-Publikacja (format pdf) - nr 59595 "Fast speaker recognition ..." licencja: Osobista Produkt cyfrowy	10.00 zł

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ELEKTRONIKA - KONSTRUKCJE, TECHNOLOGIE, ZASTOSOWANIA - e-zeszyt (pdf) 2011-5 licencja: Osobista Produkt cyfrowy	35.00 zł

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2011-5

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