JPS6214839B2 - - Google Patents
Info
- Publication number
- JPS6214839B2 JPS6214839B2 JP54118972A JP11897279A JPS6214839B2 JP S6214839 B2 JPS6214839 B2 JP S6214839B2 JP 54118972 A JP54118972 A JP 54118972A JP 11897279 A JP11897279 A JP 11897279A JP S6214839 B2 JPS6214839 B2 JP S6214839B2
- Authority
- JP
- Japan
- Prior art keywords
- pitch
- voiced
- period
- pitch period
- search range
- 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
Links
- 238000000605 extraction Methods 0.000 claims description 15
- 238000001514 detection method Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 230000001052 transient effect Effects 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 3
- 230000001788 irregular Effects 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11897279A JPS5642296A (en) | 1979-09-17 | 1979-09-17 | Pitch extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11897279A JPS5642296A (en) | 1979-09-17 | 1979-09-17 | Pitch extractor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5642296A JPS5642296A (en) | 1981-04-20 |
| JPS6214839B2 true JPS6214839B2 (de) | 1987-04-03 |
Family
ID=14749832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11897279A Granted JPS5642296A (en) | 1979-09-17 | 1979-09-17 | Pitch extractor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5642296A (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57159806A (en) * | 1981-03-30 | 1982-10-02 | Mitsui Petrochem Ind Ltd | Polymerization of olefin |
| JPS58140798A (ja) * | 1982-02-15 | 1983-08-20 | 株式会社日立製作所 | 音声ピツチ抽出方法 |
| JPS58179898A (ja) * | 1982-04-15 | 1983-10-21 | 日本電気株式会社 | ピツチ抽出装置 |
| JPS58193597A (ja) * | 1982-05-07 | 1983-11-11 | 日本電気株式会社 | ピッチ抽出装置 |
| JPS61289398A (ja) * | 1985-06-17 | 1986-12-19 | 富士通株式会社 | ピツチ周期抽出方式 |
| US6240386B1 (en) * | 1998-08-24 | 2001-05-29 | Conexant Systems, Inc. | Speech codec employing noise classification for noise compensation |
-
1979
- 1979-09-17 JP JP11897279A patent/JPS5642296A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5642296A (en) | 1981-04-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3277398B2 (ja) | 有声音判別方法 | |
| Seneff | Real-time harmonic pitch detector | |
| Kane et al. | Identifying regions of non-modal phonation using features of the wavelet transform. | |
| US7124075B2 (en) | Methods and apparatus for pitch determination | |
| EP1395977A2 (de) | Sprachsignalverarbeitung | |
| JP2009008836A (ja) | 音楽区間検出方法、音楽区間検出装置、音楽区間検出プログラム及び記録媒体 | |
| US8942977B2 (en) | System and method for speech recognition using pitch-synchronous spectral parameters | |
| Friedman | Pseudo-maximum-likelihood speech pitch extraction | |
| Labuschagne et al. | The perception of breathiness: Acoustic correlates and the influence of methodological factors | |
| JPS6214839B2 (de) | ||
| Kadiri et al. | Determination of glottal closure instants from clean and telephone quality speech signals using single frequency filtering | |
| Imperl et al. | A study of harmonic features for the speaker recognition | |
| JPS6151320B2 (de) | ||
| US5208861A (en) | Pitch extraction apparatus for an acoustic signal waveform | |
| AU612737B2 (en) | A phoneme recognition system | |
| JPH0377998B2 (de) | ||
| JP3271193B2 (ja) | 音声符号化方法 | |
| Artimy et al. | Automatic detection of acoustic sub-word boundaries for single digit recognition | |
| JPS60129796A (ja) | 音声入力装置 | |
| JP3223564B2 (ja) | ピッチ抽出方法 | |
| JP3919359B2 (ja) | 楽音信号のアタック位置検出装置 | |
| JP2006113298A (ja) | オーディオ信号分析方法、その方法を用いたオーディオ信号認識方法、オーディオ信号区間検出方法、それらの装置、プログラムおよびその記録媒体 | |
| JPH0246960B2 (de) | ||
| EP0421341B1 (de) | Einrichtung zur Spracherkennung | |
| JP3012272B2 (ja) | 基本周波数抽出方法 |