JPH0251200B2 - - Google Patents
Info
- Publication number
- JPH0251200B2 JPH0251200B2 JP56048174A JP4817481A JPH0251200B2 JP H0251200 B2 JPH0251200 B2 JP H0251200B2 JP 56048174 A JP56048174 A JP 56048174A JP 4817481 A JP4817481 A JP 4817481A JP H0251200 B2 JPH0251200 B2 JP H0251200B2
- Authority
- JP
- Japan
- Prior art keywords
- band
- energy
- audio information
- voice
- average energy
- 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
- 230000002238 attenuated effect Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 1
- 230000011218 segmentation Effects 0.000 claims 1
- 238000001228 spectrum Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000003111 delayed effect Effects 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000001755 vocal effect Effects 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56048174A JPS57161800A (en) | 1981-03-30 | 1981-03-30 | Voice information filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56048174A JPS57161800A (en) | 1981-03-30 | 1981-03-30 | Voice information filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57161800A JPS57161800A (en) | 1982-10-05 |
| JPH0251200B2 true JPH0251200B2 (enrdf_load_stackoverflow) | 1990-11-06 |
Family
ID=12796020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56048174A Granted JPS57161800A (en) | 1981-03-30 | 1981-03-30 | Voice information filter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57161800A (enrdf_load_stackoverflow) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60140399A (ja) * | 1983-12-28 | 1985-07-25 | 松下電器産業株式会社 | 雑音除去装置 |
| US4630304A (en) * | 1985-07-01 | 1986-12-16 | Motorola, Inc. | Automatic background noise estimator for a noise suppression system |
| JP2836889B2 (ja) * | 1990-02-13 | 1998-12-14 | 松下電器産業株式会社 | 信号処理装置 |
| JPH04211523A (ja) * | 1990-02-13 | 1992-08-03 | Matsushita Electric Ind Co Ltd | 信号処理装置及びボイスダイアル電話システム |
| EP2242049B1 (en) | 2001-03-28 | 2019-08-07 | Mitsubishi Denki Kabushiki Kaisha | Noise suppression device |
| JP4274419B2 (ja) * | 2003-12-09 | 2009-06-10 | 独立行政法人産業技術総合研究所 | 音響信号除去装置、音響信号除去方法及び音響信号除去プログラム |
| JP4274418B2 (ja) * | 2003-12-09 | 2009-06-10 | 独立行政法人産業技術総合研究所 | 音響信号除去装置、音響信号除去方法及び音響信号除去プログラム |
| CA2454296A1 (en) * | 2003-12-29 | 2005-06-29 | Nokia Corporation | Method and device for speech enhancement in the presence of background noise |
| JP4272107B2 (ja) * | 2004-05-13 | 2009-06-03 | 株式会社フジテレビジョン | 音響信号除去装置、音響信号除去方法及び音響信号除去プログラム |
-
1981
- 1981-03-30 JP JP56048174A patent/JPS57161800A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57161800A (en) | 1982-10-05 |
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