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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
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2
Towards objective measures of speech intelligibility for Cochlear Implant users in reverberant environments
Cosentino, Stefano
;
Marquardt, Torsten
;
McAlpine, David
. - : Piscataway, NJ : IEEE, 2012
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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)
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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)
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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)
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6
Vocabulary Synthesis Based on Line Spectrum Pairs
Everett, Stephanie S.
In: DTIC AND NTIS (1989)
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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)
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8
Hopfield Model Applied to Vowel and Consonant Discrimination
Gold, Bernard
In: DTIC AND NTIS (1986)
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9
The Intelligibility of Non-Vocoded and Vocoded Semantically Anomalous Sentences.
Mack,M A
;
Gold,B
In: DTIC AND NTIS (1985)
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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)
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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)
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12
Automatic Speaker Recognition over Military Communication Systems. A Feasibility Evaluation.
Everett,S S
In: DTIC AND NTIS (1985)
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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)
Abstract:
This report describes the work performed on subjective and objective evaluation of pitch extractors for use in 2.4 kbit/s LPC and harmonic deviations (HDV) speech coders. From a review of the available pitch extractors, five algorithms were chosen and implemented. An existing algorithm was modified to extract automatically accurate, reference pitch and voicing data from the subglottal signal recorded simultaneously with the speech signal using a miniature accelerometer; this data was used for objective evaluation of pitch extractors. Since the accelerometer is relatively insensitive to acoustic background noise, this method yields accurate pitch and voicing data even in noise. For formal subjective evaluation of the chosen pitch extractors, a speech database of 48 sentences that are likely to cause pitch and voicing errors was developed. The objective evaluation method developed in this work involves comparing, on a frame-by-frame basis, the test pitch extractor data with the reference pitch data, computing objective pitch and voicing error measures, and averaging over the sentences from the speech database. (Author)
Keyword:
*EXTRACTION
;
*Pitch extractors
;
*SOUND PITCH
;
*TEST AND EVALUATION
;
*VOCODERS
;
Acoustics
;
ALGORITHMS
;
BACKGROUND NOISE
;
DATA BASES
;
Harmonic deviations vocoders
;
HARMONICS
;
MODIFICATION
;
Non-radio Communications
;
SIGNALS
;
SPEECH
URL:
http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA146838
http://www.dtic.mil/docs/citations/ADA146838
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14
A Recursive Linear Predictive Vocoder.
Janssen,W A
In: DTIC AND NTIS (1983)
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15
Vector/Matrix Quantization for Narrow-Bandwidth Digital Speech Compression.
Wong,David Y
In: DTIC AND NTIS (1982)
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16
Research on Narrowband Communications.
Roucos,Salim
;
Schwartz,Richard
;
Makhoul,John
In: DTIC AND NTIS (1982)
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17
Research on Narrowband Communications
Makhoul, John
;
Roukos, Salim
;
Schwartz, Richard
In: DTIC AND NTIS (1981)
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18
Research on Narrowband Communications
Makhoul, John
;
Roukos, Salim
;
Schwartz, Richard
In: DTIC AND NTIS (1981)
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19
Research on Narrowband Communications
Makhoul, John
;
Krasner, Michael
;
Roukos, Salim
...
In: DTIC AND NTIS (1981)
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20
Research on Narrowband Communications
Makhoul, John
;
Roukos, Salim
;
Krasner, Micheal
...
In: DTIC AND NTIS (1981)
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