Acoustic Signal Processing for Telecommunication:
158 2. Wiener Filtering 159 3. Speech Enhancement by Short-Time Spectral Modification 3. 1 Short-Time Fourier Analysis and Synthesis 159 160 3. 2 Short-Time Wiener Filter 161 3. 3 Power Subtraction 3. 4 Magnitude Subtraction 162 3. 5 Parametric Wiener Filtering 163 164 3. 6 Review and Discussion Ave...
Gespeichert in:
| Weitere Verfasser: | , |
|---|---|
| Format: | Elektronisch E-Book |
| Sprache: | English |
| Veröffentlicht: |
Boston, MA
Springer US
2000
|
| Schriftenreihe: | The Springer International Series in Engineering and Computer Science
551 |
| Schlagworte: | |
| Online-Zugang: | BTU01 FHI01 Volltext |
| Zusammenfassung: | 158 2. Wiener Filtering 159 3. Speech Enhancement by Short-Time Spectral Modification 3. 1 Short-Time Fourier Analysis and Synthesis 159 160 3. 2 Short-Time Wiener Filter 161 3. 3 Power Subtraction 3. 4 Magnitude Subtraction 162 3. 5 Parametric Wiener Filtering 163 164 3. 6 Review and Discussion Averaging Techniques for Envelope Estimation 169 4. 169 4. 1 Moving Average 170 4. 2 Single-Pole Recursion 170 4. 3 Two-Sided Single-Pole Recursion 4. 4 Nonlinear Data Processing 171 5. Example Implementation 172 5. 1 Subband Filter Bank Architecture 172 173 5. 2 A-Posteriori-SNR Voice Activity Detector 5. 3 Example 175 6. Conclusion 175 Part IV Microphone Arrays 10 Superdirectional Microphone Arrays 181 Gary W. Elko 1. Introduction 181 2. Differential Microphone Arrays 182 3. Array Directional Gain 192 4. Optimal Arrays for Spherically Isotropic Fields 193 4. 1 Maximum Gain for Omnidirectional Microphones 193 4. 2 Maximum Directivity Index for Differential Microphones 195 4. 3 Maximimum Front-to-Back Ratio 197 4. 4 Minimum Peak Directional Response 200 4. 5 Beamwidth 201 5. Design Examples 201 5. 1 First-Order Designs 202 5. 2 Second-Order Designs 207 5. 3 Third-Order Designs 216 5. 4 Higher-Order designs 221 6. Optimal Arrays for Cylindrically Isotropic Fields 222 6. 1 Maximum Gain for Omnidirectional Microphones 222 6. 2 Optimal Weights for Maximum Directional Gain 224 6. 3 Solution for Optimal Weights for Maximum Front-to-Back Ratio for Cylindrical Noise 225 7. Sensitivity to Microphone Mismatch and Noise 230 8 |
| Beschreibung: | 1 Online-Ressource (XXII, 333 p) |
| ISBN: | 9781441986443 |
| DOI: | 10.1007/978-1-4419-8644-3 |
Internformat
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Datensatz im Suchindex
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| author2 | Gay, Steven L. Benesty, Jacob |
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| discipline | Elektrotechnik / Elektronik / Nachrichtentechnik |
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| id | DE-604.BV045148682 |
| illustrated | Not Illustrated |
| indexdate | 2024-07-10T08:10:01Z |
| institution | BVB |
| isbn | 9781441986443 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-030538381 |
| oclc_num | 1050945893 |
| open_access_boolean | |
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| owner_facet | DE-573 DE-634 |
| physical | 1 Online-Ressource (XXII, 333 p) |
| psigel | ZDB-2-ENG ZDB-2-ENG_2000/2004 ZDB-2-ENG ZDB-2-ENG_Archiv ZDB-2-ENG ZDB-2-ENG_2000/2004 |
| publishDate | 2000 |
| publishDateSearch | 2000 |
| publishDateSort | 2000 |
| publisher | Springer US |
| record_format | marc |
| series2 | The Springer International Series in Engineering and Computer Science |
| spelling | Acoustic Signal Processing for Telecommunication edited by Steven L. Gay, Jacob Benesty Boston, MA Springer US 2000 1 Online-Ressource (XXII, 333 p) txt rdacontent c rdamedia cr rdacarrier The Springer International Series in Engineering and Computer Science 551 158 2. Wiener Filtering 159 3. Speech Enhancement by Short-Time Spectral Modification 3. 1 Short-Time Fourier Analysis and Synthesis 159 160 3. 2 Short-Time Wiener Filter 161 3. 3 Power Subtraction 3. 4 Magnitude Subtraction 162 3. 5 Parametric Wiener Filtering 163 164 3. 6 Review and Discussion Averaging Techniques for Envelope Estimation 169 4. 169 4. 1 Moving Average 170 4. 2 Single-Pole Recursion 170 4. 3 Two-Sided Single-Pole Recursion 4. 4 Nonlinear Data Processing 171 5. Example Implementation 172 5. 1 Subband Filter Bank Architecture 172 173 5. 2 A-Posteriori-SNR Voice Activity Detector 5. 3 Example 175 6. Conclusion 175 Part IV Microphone Arrays 10 Superdirectional Microphone Arrays 181 Gary W. Elko 1. Introduction 181 2. Differential Microphone Arrays 182 3. Array Directional Gain 192 4. Optimal Arrays for Spherically Isotropic Fields 193 4. 1 Maximum Gain for Omnidirectional Microphones 193 4. 2 Maximum Directivity Index for Differential Microphones 195 4. 3 Maximimum Front-to-Back Ratio 197 4. 4 Minimum Peak Directional Response 200 4. 5 Beamwidth 201 5. Design Examples 201 5. 1 First-Order Designs 202 5. 2 Second-Order Designs 207 5. 3 Third-Order Designs 216 5. 4 Higher-Order designs 221 6. Optimal Arrays for Cylindrically Isotropic Fields 222 6. 1 Maximum Gain for Omnidirectional Microphones 222 6. 2 Optimal Weights for Maximum Directional Gain 224 6. 3 Solution for Optimal Weights for Maximum Front-to-Back Ratio for Cylindrical Noise 225 7. Sensitivity to Microphone Mismatch and Noise 230 8 Engineering Signal, Image and Speech Processing Electrical Engineering Electrical engineering Akustische Signalverarbeitung (DE-588)4283234-2 gnd rswk-swf Digitale Signalverarbeitung (DE-588)4113314-6 gnd rswk-swf Digitale Signalverarbeitung (DE-588)4113314-6 s 1\p DE-604 Akustische Signalverarbeitung (DE-588)4283234-2 s 2\p DE-604 Gay, Steven L. edt Benesty, Jacob edt Erscheint auch als Druck-Ausgabe 9781461346562 https://doi.org/10.1007/978-1-4419-8644-3 Verlag URL des Erstveröffentlichers Volltext 1\p cgwrk 20201028 DE-101 https://d-nb.info/provenance/plan#cgwrk 2\p cgwrk 20201028 DE-101 https://d-nb.info/provenance/plan#cgwrk |
| spellingShingle | Acoustic Signal Processing for Telecommunication Engineering Signal, Image and Speech Processing Electrical Engineering Electrical engineering Akustische Signalverarbeitung (DE-588)4283234-2 gnd Digitale Signalverarbeitung (DE-588)4113314-6 gnd |
| subject_GND | (DE-588)4283234-2 (DE-588)4113314-6 |
| title | Acoustic Signal Processing for Telecommunication |
| title_auth | Acoustic Signal Processing for Telecommunication |
| title_exact_search | Acoustic Signal Processing for Telecommunication |
| title_full | Acoustic Signal Processing for Telecommunication edited by Steven L. Gay, Jacob Benesty |
| title_fullStr | Acoustic Signal Processing for Telecommunication edited by Steven L. Gay, Jacob Benesty |
| title_full_unstemmed | Acoustic Signal Processing for Telecommunication edited by Steven L. Gay, Jacob Benesty |
| title_short | Acoustic Signal Processing for Telecommunication |
| title_sort | acoustic signal processing for telecommunication |
| topic | Engineering Signal, Image and Speech Processing Electrical Engineering Electrical engineering Akustische Signalverarbeitung (DE-588)4283234-2 gnd Digitale Signalverarbeitung (DE-588)4113314-6 gnd |
| topic_facet | Engineering Signal, Image and Speech Processing Electrical Engineering Electrical engineering Akustische Signalverarbeitung Digitale Signalverarbeitung |
| url | https://doi.org/10.1007/978-1-4419-8644-3 |
| work_keys_str_mv | AT gaystevenl acousticsignalprocessingfortelecommunication AT benestyjacob acousticsignalprocessingfortelecommunication |