JPH0235990B2 - - Google Patents
Info
- Publication number
- JPH0235990B2 JPH0235990B2 JP58115539A JP11553983A JPH0235990B2 JP H0235990 B2 JPH0235990 B2 JP H0235990B2 JP 58115539 A JP58115539 A JP 58115539A JP 11553983 A JP11553983 A JP 11553983A JP H0235990 B2 JPH0235990 B2 JP H0235990B2
- Authority
- JP
- Japan
- Prior art keywords
- zero
- frequency
- frequency response
- lsp
- coefficients
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000004044 response Effects 0.000 claims abstract description 59
- 238000004364 calculation method Methods 0.000 claims abstract description 44
- 238000004458 analytical method Methods 0.000 claims abstract description 32
- 238000002940 Newton-Raphson method Methods 0.000 claims abstract description 13
- 238000000605 extraction Methods 0.000 claims description 13
- 230000005236 sound signal Effects 0.000 claims description 12
- 238000005070 sampling Methods 0.000 claims description 8
- 239000000284 extract Substances 0.000 claims description 4
- 238000001228 spectrum Methods 0.000 claims description 2
- 230000009467 reduction Effects 0.000 abstract description 3
- 230000010354 integration Effects 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 238000003775 Density Functional Theory Methods 0.000 description 31
- 238000000034 method Methods 0.000 description 30
- 230000006870 function Effects 0.000 description 15
- 238000010586 diagram Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 4
- 230000001755 vocal effect Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 210000004704 glottis Anatomy 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Complex Calculations (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58115539A JPS607369A (ja) | 1983-06-27 | 1983-06-27 | Lsp周波数分析器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58115539A JPS607369A (ja) | 1983-06-27 | 1983-06-27 | Lsp周波数分析器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS607369A JPS607369A (ja) | 1985-01-16 |
JPH0235990B2 true JPH0235990B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-08-14 |
Family
ID=14665032
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58115539A Granted JPS607369A (ja) | 1983-06-27 | 1983-06-27 | Lsp周波数分析器 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS607369A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0754437B2 (ja) * | 1986-06-17 | 1995-06-07 | 松下電器産業株式会社 | ホルマント抽出装置 |
JPH0758436B2 (ja) * | 1986-10-23 | 1995-06-21 | 松下電器産業株式会社 | ホルマント抽出装置 |
CN104808055B (zh) * | 2014-01-26 | 2017-07-07 | 南京邮电大学 | 一种电信号频率的数字化测量方法 |
-
1983
- 1983-06-27 JP JP58115539A patent/JPS607369A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS607369A (ja) | 1985-01-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US11640827B2 (en) | Concept for encoding of information | |
Kleijn et al. | A low-complexity waveform interpolation coder | |
JPS6051720B2 (ja) | 音声の基本周期抽出装置 | |
US5463716A (en) | Formant extraction on the basis of LPC information developed for individual partial bandwidths | |
US4922539A (en) | Method of encoding speech signals involving the extraction of speech formant candidates in real time | |
Jackson et al. | Linear prediction in cascade form | |
US5233659A (en) | Method of quantizing line spectral frequencies when calculating filter parameters in a speech coder | |
JPH0235990B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
McAulay | Maximum likelihood spectral estimation and its application to narrow-band speech coding | |
JPH05281996A (ja) | ピッチ抽出装置 | |
JPH0235992B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
JPH0651800A (ja) | データ数変換方法 | |
EP0774750A2 (en) | Determination of line spectrum frequencies for use in a radiotelephone | |
Mei et al. | An efficient method to compute LSFs from LPC coefficients | |
JPH09212198A (ja) | 移動電話装置における線スペクトル周波数決定方法及び移動電話装置 | |
Rabiner | A simplified computational algorithm for implementing FIR digital filters | |
Ackenhusen et al. | Single-chip implementation of feature measurement for LPC-based speech recognition | |
El-Jaroudi et al. | Discrete all-pole modeling for voiced speech | |
Salor et al. | Kalman filter approach for pitch determination of speech signals | |
JPH05281995A (ja) | 音声符号化方法 | |
JPS62180400A (ja) | 極零分析装置 | |
JP2888916B2 (ja) | スペクトル分析方法及びその装置 | |
Yegnanarayana | A pole-zero model for cepstrally smoothed speech spectra | |
JPS63106699A (ja) | ホルマント抽出装置 | |
Turner | An Overview of Recursive Least Squares Estimation and Lattice Filters. |