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All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year Sort by creator [A → Z]' creator [Z → A]' publishing year ↑ (asc)' publishing year ↓ (desc)' title [A → Z]' title [Z → A]' Simple Search Page: 1 2 3 Hits 1 – 20 of 55 1 Cochlear implant filterbank design and optimization : a simulation study Cosentino, Stefano; Falk, Tiago H; McAlpine, David. - : Institute of Electrical and Electronics Engineers, 2014 BASE Show details 2 Towards objective measures of speech intelligibility for Cochlear Implant users in reverberant environments Cosentino, Stefano; Marquardt, Torsten; McAlpine, David. - : Piscataway, NJ : IEEE, 2012 BASE Show details 3 Objective Measurement of the Speech Transmission Quality of Vocoders by Means of the Speech Transmission Index van Gils, Bastiaan J.; van Wijngaarden, Sander J. In: DTIC (2005) BASE Show details 4 Speech Analysis and Synthesis Based on Pitch-Synchronous Segmentation of the Speech Waveform. Kang, George S.; Fransen, Lawrence J. In: DTIC AND NTIS (1994) BASE Show details 5 The Intelligibility of Natural and LPC-Vocoded Words and Sentences Presented to Native and Non-Native Speakers of English Mack, M.; Tierney, J.; Boyle, M. E. In: DTIC AND NTIS (1990) BASE Show details 6 Vocabulary Synthesis Based on Line Spectrum Pairs Everett, Stephanie S. In: DTIC AND NTIS (1989) BASE Show details 7 The Intelligibility of Natural and Vocoded Semantically Anomalous Sentences: A Comparative Analysis of English Monolinguals and German-English Bilinguals. Mack, Molly; Tierney, Joseph In: DTIC AND NTIS (1987) BASE Show details 8 Hopfield Model Applied to Vowel and Consonant Discrimination Gold, Bernard In: DTIC AND NTIS (1986) BASE Show details 9 The Intelligibility of Non-Vocoded and Vocoded Semantically Anomalous Sentences. Mack,M A; Gold,B In: DTIC AND NTIS (1985) BASE Show details 10 A Comparative Analysis of Whispered and Normally Phonated Speech Using an LPC-10 Vocoder Wilson,Johnny B; Mosko,James D In: DTIC AND NTIS (1985) BASE Show details 11 Intelligibility Performance of the LPC-10 and APC/SQ Speech Algorithms in a Fading Environment. Trebaol,George O; Heckman,Randy L In: DTIC AND NTIS (1985) BASE Show details 12 Automatic Speaker Recognition over Military Communication Systems. A Feasibility Evaluation. Everett,S S In: DTIC AND NTIS (1985) BASE Show details 13 Subjective and Objective Evaluation of Pitch Extractors for LPC and Harmonic Deviations Vocoders. Viswanathan,V R; Russell,W H In: DTIC AND NTIS (1984) BASE Show details 14 A Recursive Linear Predictive Vocoder. Janssen,W A In: DTIC AND NTIS (1983) BASE Show details 15 Vector/Matrix Quantization for Narrow-Bandwidth Digital Speech Compression. Wong,David Y In: DTIC AND NTIS (1982) Abstract: Speech compression techniques for very low data rate compression are studied. The techniques are based on a standard LPC analysis/synthesis (vocoder) system. Significant advances are made in the quantization algorithms to achieve bit rates of 200 to 400 bps. Frame predictive vector quantization is developed to compress the bit rate for the LPC model filter top under 250 bps. The vector quantization technique developed applies to continuous speech and is independent of both speaker and vocabulary. An innovative LPC compression technique, matrix quantization, is also developed to compress the LPC model filter to a rate under 150 bps. The design is applicable to continuous speech and unlimited vocabulary. At this stage of development, it is adapted to a single speaker, but theoretically it can be generalized to a selection of speakers or even the general population. Subjective evaluation of both the vector and matrix LPC quantization approaches using the diagnostic rhyme test (DRT) has been performed and the test scores are analyzed in detail. The results indicate that the proposed techniques are feasible for intelligible speech transmission at bit rates of 400 bps and 200 bps. Keyword: *DATA COMPRESSION; *DATA RATE; *SPEECH COMPRESSION; ALGORITHMS; BANDWIDTH; DISTORTION; GAIN; LPC(Linear Predictive Coding); MATRICES(MATHEMATICS); NARROWBAND; PE62702F; PHONEMES; QUANTIZATION; SEMANTICS; SIGNAL PROCESSING; SOUND PITCH; SPEECH RECOGNITION; SPEECH SCRAMBLING; SPEECH TRANSMISSION; SYNTAX; Theoretical Mathematics; VECTOR ANALYSIS; VOCODERS; Voice Communications; WURADC45941580 URL: http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA122519 http://www.dtic.mil/docs/citations/ADA122519 BASE Hide details 16 Research on Narrowband Communications. Roucos,Salim; Schwartz,Richard; Makhoul,John In: DTIC AND NTIS (1982) BASE Show details 17 Research on Narrowband Communications Makhoul, John; Roukos, Salim; Schwartz, Richard In: DTIC AND NTIS (1981) BASE Show details 18 Research on Narrowband Communications Makhoul, John; Roukos, Salim; Schwartz, Richard In: DTIC AND NTIS (1981) BASE Show details 19 Research on Narrowband Communications Makhoul, John; Krasner, Michael; Roukos, Salim... In: DTIC AND NTIS (1981) BASE Show details 20 Research on Narrowband Communications Makhoul, John; Roukos, Salim; Krasner, Micheal... In: DTIC AND NTIS (1981) BASE Show details Page: 1 2 3

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