JP2015019345A5 - - Google Patents
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- Publication number
- JP2015019345A5 JP2015019345A5 JP2013189417A JP2013189417A JP2015019345A5 JP 2015019345 A5 JP2015019345 A5 JP 2015019345A5 JP 2013189417 A JP2013189417 A JP 2013189417A JP 2013189417 A JP2013189417 A JP 2013189417A JP 2015019345 A5 JP2015019345 A5 JP 2015019345A5
- Authority
- JP
- Japan
- Prior art keywords
- amplitude
- cut filter
- audio signal
- limiter
- amplitude limiter
- 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.)
- Granted
Links
- 230000005236 sound signal Effects 0.000 claims 6
- 230000001629 suppression Effects 0.000 claims 4
- 241001442055 Vipera berus Species 0.000 claims 3
- 238000005513 bias potential Methods 0.000 claims 1
Claims (4)
- 入力信号の比較的低い周波数成分では振幅が規定レベルを越えるとバイアス電位が振幅の変化と反対方向にシフトされることで振幅制限される第１の振幅制限器と、
入力信号の比較的高い周波数成分では規定値を超える振幅部分が削除されることで振幅制限が行われる第２の振幅制限器を備えた音声信号振幅抑圧装置。 - 音声信号の振幅制限値が他の音声信号の振幅値によってコントロールされる振幅制限器を備えた請求項１の音声信号振幅抑圧装置。
- 前記第２の振幅制限器の前段に設けられたローカットフィルターと、
前記第１の振幅制限器の後段に設けられたハイカットフィルターと、
前記第２の振幅制限器の出力と、前記ハイカットフィルターの出力を加算する加算器と、
を備えた請求項１に記載の音声信号振幅抑圧装置。 - 前記第１の振幅制限器の後段に設けられたハイカットフィルターと、
前記第１の振幅制限器と並列に設けられたローカットフィルターと、
前記ローカットフィルターの出力と、前記ハイカットフィルターの出力を加算する加算器とを備え、
前記第２の振幅制限器が前記加算器の後段に設けられた請求項１に記載の音声信号振幅抑圧装置。
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013189417A JP6151613B2 (ja) | 2013-06-11 | 2013-09-12 | 音声信号振幅抑圧装置 |
| PCT/JP2014/058601 WO2014199699A1 (ja) | 2013-06-11 | 2014-03-26 | 音声信号振幅抑圧装置 |
| EP14811383.0A EP3010146A4 (en) | 2013-06-11 | 2014-03-26 | Audio signal amplitude suppression device |
| SG11201510160SA SG11201510160SA (en) | 2013-06-11 | 2014-03-26 | Sound signal amplitude suppressing apparatus |
| TW103119627A TWI597936B (zh) | 2013-06-11 | 2014-06-06 | 聲音訊號振幅抑制裝置 |
| US14/956,428 US10097929B2 (en) | 2013-06-11 | 2015-12-02 | Sound signal amplitude suppressing apparatus |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013134290 | 2013-06-11 | ||
| JP2013134290 | 2013-06-11 | ||
| JP2013189417A JP6151613B2 (ja) | 2013-06-11 | 2013-09-12 | 音声信号振幅抑圧装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2015019345A JP2015019345A (ja) | 2015-01-29 |
| JP2015019345A5 true JP2015019345A5 (ja) | 2016-09-01 |
| JP6151613B2 JP6151613B2 (ja) | 2017-06-21 |
Family
ID=52022005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2013189417A Active JP6151613B2 (ja) | 2013-06-11 | 2013-09-12 | 音声信号振幅抑圧装置 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US10097929B2 (ja) |
| EP (1) | EP3010146A4 (ja) |
| JP (1) | JP6151613B2 (ja) |
| SG (1) | SG11201510160SA (ja) |
| TW (1) | TWI597936B (ja) |
| WO (1) | WO2014199699A1 (ja) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6604728B2 (ja) * | 2015-03-12 | 2019-11-13 | キヤノン株式会社 | 音声処理装置及び音声処理方法 |
| CN106328116B (zh) * | 2015-06-30 | 2020-04-17 | 芋头科技（杭州）有限公司 | 一种机器人室内噪声控制系统 |
| US10791404B1 (en) * | 2018-08-13 | 2020-09-29 | Michael B. Lasky | Assisted hearing aid with synthetic substitution |
| TWI686795B (zh) * | 2018-10-12 | 2020-03-01 | 僑光科技大學 | 用於助聽器之濾波結構以及具有濾波結構之助聽器 |
| JP2023006441A (ja) * | 2021-06-30 | 2023-01-18 | 賢一 大島 | 音声信号の振幅制限回路 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51128451U (ja) * | 1975-04-11 | 1976-10-16 | ||
| GB1541004A (en) * | 1975-11-07 | 1979-02-21 | Nat Res Dev | Hearing aid |
| JPS5475922A (en) * | 1977-11-30 | 1979-06-18 | Hitachi Ltd | Pulse noise limiter circuit |
| US4327331A (en) | 1979-11-07 | 1982-04-27 | Pioneer Electronic Corporation | Audio amplifier device |
| US4571548A (en) * | 1983-02-14 | 1986-02-18 | Honeywell Inc. | Floating limiter circuit |
| JPH0510409Y2 (ja) * | 1987-08-31 | 1993-03-15 | ||
| US5168526A (en) | 1990-10-29 | 1992-12-01 | Akg Acoustics, Inc. | Distortion-cancellation circuit for audio peak limiting |
| US6606388B1 (en) * | 2000-02-17 | 2003-08-12 | Arboretum Systems, Inc. | Method and system for enhancing audio signals |
| JP2001320255A (ja) * | 2000-05-08 | 2001-11-16 | Kenichi Oshima | リミッター |
| US7676047B2 (en) | 2002-12-03 | 2010-03-09 | Bose Corporation | Electroacoustical transducing with low frequency augmenting devices |
| JP4825427B2 (ja) | 2005-01-11 | 2011-11-30 | 賢一 大島 | 振幅制限回路 |
| JP4976012B2 (ja) * | 2005-12-28 | 2012-07-18 | 賢一 大島 | 音声信号振幅制限器 |
| JP5303488B2 (ja) | 2010-02-15 | 2013-10-02 | 賢一 大島 | 振幅抑圧回路 |
| WO2011148624A1 (ja) * | 2010-05-26 | 2011-12-01 | パナソニック株式会社 | 音量振幅制限装置 |
| JP5707963B2 (ja) * | 2011-01-20 | 2015-04-30 | ヤマハ株式会社 | オーディオアンプ |
-
2013
- 2013-09-12 JP JP2013189417A patent/JP6151613B2/ja active Active
-
2014
- 2014-03-26 EP EP14811383.0A patent/EP3010146A4/en not_active Ceased
- 2014-03-26 SG SG11201510160SA patent/SG11201510160SA/en unknown
- 2014-03-26 WO PCT/JP2014/058601 patent/WO2014199699A1/ja active Application Filing
- 2014-06-06 TW TW103119627A patent/TWI597936B/zh not_active IP Right Cessation
-
2015
- 2015-12-02 US US14/956,428 patent/US10097929B2/en active Active
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