JP6141880B2 - 低ic電力放散及び高ダイナミックレンジを備えた回路のための方法及び装置 - Google Patents
低ic電力放散及び高ダイナミックレンジを備えた回路のための方法及び装置 Download PDFInfo
- Publication number
- JP6141880B2 JP6141880B2 JP2014554857A JP2014554857A JP6141880B2 JP 6141880 B2 JP6141880 B2 JP 6141880B2 JP 2014554857 A JP2014554857 A JP 2014554857A JP 2014554857 A JP2014554857 A JP 2014554857A JP 6141880 B2 JP6141880 B2 JP 6141880B2
- Authority
- JP
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- Prior art keywords
- volume
- amplifier
- digital
- gain
- output signal
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims description 38
- 230000003321 amplification Effects 0.000 claims description 15
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 15
- 230000005236 sound signal Effects 0.000 claims description 8
- 239000010755 BS 2869 Class G Substances 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 7
- 229910052710 silicon Inorganic materials 0.000 description 7
- 239000010703 silicon Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000013459 approach Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000013256 coordination polymer Substances 0.000 description 2
- 238000000638 solvent extraction Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3089—Control of digital or coded signals
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Amplifiers (AREA)
- Circuit For Audible Band Transducer (AREA)
- Control Of Amplification And Gain Control (AREA)
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201261590607P | 2012-01-25 | 2012-01-25 | |
| US61/590,607 | 2012-01-25 | ||
| US201261598500P | 2012-02-14 | 2012-02-14 | |
| US61/598,500 | 2012-02-14 | ||
| US13/443,525 US9065413B2 (en) | 2012-01-25 | 2012-04-10 | Method and apparatus for circuit with low IC power dissipation and high dynamic range |
| US13/443,525 | 2012-04-10 | ||
| PCT/US2013/023160 WO2013112846A1 (en) | 2012-01-25 | 2013-01-25 | Method and apparatus for circuit with low ic power dissipation and high dynamic range |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2015510722A JP2015510722A (ja) | 2015-04-09 |
| JP2015510722A5 JP2015510722A5 (enExample) | 2016-03-10 |
| JP6141880B2 true JP6141880B2 (ja) | 2017-06-07 |
Family
ID=48797228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2014554857A Active JP6141880B2 (ja) | 2012-01-25 | 2013-01-25 | 低ic電力放散及び高ダイナミックレンジを備えた回路のための方法及び装置 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US9065413B2 (enExample) |
| JP (1) | JP6141880B2 (enExample) |
| CN (1) | CN104081664B (enExample) |
| WO (1) | WO2013112846A1 (enExample) |
Families Citing this family (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9831843B1 (en) | 2013-09-05 | 2017-11-28 | Cirrus Logic, Inc. | Opportunistic playback state changes for audio devices |
| US9391576B1 (en) * | 2013-09-05 | 2016-07-12 | Cirrus Logic, Inc. | Enhancement of dynamic range of audio signal path |
| US9774342B1 (en) | 2014-03-05 | 2017-09-26 | Cirrus Logic, Inc. | Multi-path analog front end and analog-to-digital converter for a signal processing system |
| US9525940B1 (en) | 2014-03-05 | 2016-12-20 | Cirrus Logic, Inc. | Multi-path analog front end and analog-to-digital converter for a signal processing system |
| US9306588B2 (en) | 2014-04-14 | 2016-04-05 | Cirrus Logic, Inc. | Switchable secondary playback path |
| US10785568B2 (en) | 2014-06-26 | 2020-09-22 | Cirrus Logic, Inc. | Reducing audio artifacts in a system for enhancing dynamic range of audio signal path |
| US9337795B2 (en) | 2014-09-09 | 2016-05-10 | Cirrus Logic, Inc. | Systems and methods for gain calibration of an audio signal path |
| US9596537B2 (en) | 2014-09-11 | 2017-03-14 | Cirrus Logic, Inc. | Systems and methods for reduction of audio artifacts in an audio system with dynamic range enhancement |
| US9503027B2 (en) | 2014-10-27 | 2016-11-22 | Cirrus Logic, Inc. | Systems and methods for dynamic range enhancement using an open-loop modulator in parallel with a closed-loop modulator |
| US9973859B2 (en) * | 2015-02-17 | 2018-05-15 | Frank Joseph Pompei | Amplifiers for parametric loudspeakers |
| US9584911B2 (en) | 2015-03-27 | 2017-02-28 | Cirrus Logic, Inc. | Multichip dynamic range enhancement (DRE) audio processing methods and apparatuses |
| US9959856B2 (en) | 2015-06-15 | 2018-05-01 | Cirrus Logic, Inc. | Systems and methods for reducing artifacts and improving performance of a multi-path analog-to-digital converter |
| US9955254B2 (en) | 2015-11-25 | 2018-04-24 | Cirrus Logic, Inc. | Systems and methods for preventing distortion due to supply-based modulation index changes in an audio playback system |
| US9543975B1 (en) | 2015-12-29 | 2017-01-10 | Cirrus Logic, Inc. | Multi-path analog front end and analog-to-digital converter for a signal processing system with low-pass filter between paths |
| US9880802B2 (en) | 2016-01-21 | 2018-01-30 | Cirrus Logic, Inc. | Systems and methods for reducing audio artifacts from switching between paths of a multi-path signal processing system |
| US9998826B2 (en) | 2016-06-28 | 2018-06-12 | Cirrus Logic, Inc. | Optimization of performance and power in audio system |
| US10545561B2 (en) | 2016-08-10 | 2020-01-28 | Cirrus Logic, Inc. | Multi-path digitation based on input signal fidelity and output requirements |
| US10263630B2 (en) | 2016-08-11 | 2019-04-16 | Cirrus Logic, Inc. | Multi-path analog front end with adaptive path |
| US9813814B1 (en) | 2016-08-23 | 2017-11-07 | Cirrus Logic, Inc. | Enhancing dynamic range based on spectral content of signal |
| US9762255B1 (en) | 2016-09-19 | 2017-09-12 | Cirrus Logic, Inc. | Reconfiguring paths in a multiple path analog-to-digital converter |
| US9780800B1 (en) | 2016-09-19 | 2017-10-03 | Cirrus Logic, Inc. | Matching paths in a multiple path analog-to-digital converter |
| US9929703B1 (en) | 2016-09-27 | 2018-03-27 | Cirrus Logic, Inc. | Amplifier with configurable final output stage |
| US9967665B2 (en) | 2016-10-05 | 2018-05-08 | Cirrus Logic, Inc. | Adaptation of dynamic range enhancement based on noise floor of signal |
| US10321230B2 (en) | 2017-04-07 | 2019-06-11 | Cirrus Logic, Inc. | Switching in an audio system with multiple playback paths |
| US10008992B1 (en) | 2017-04-14 | 2018-06-26 | Cirrus Logic, Inc. | Switching in amplifier with configurable final output stage |
| US9917557B1 (en) | 2017-04-17 | 2018-03-13 | Cirrus Logic, Inc. | Calibration for amplifier with configurable final output stage |
| KR102356625B1 (ko) | 2017-06-19 | 2022-01-28 | 삼성전자주식회사 | 아날로그 출력의 특성을 향상시키기 위해 이득 제어 및 이득 압축을 수행하는 전자 회로 및 그것을 포함하는 전자 장치 |
| JP2020141379A (ja) * | 2019-03-01 | 2020-09-03 | 富士通株式会社 | 歪み補償装置及び歪み補償方法 |
| CN110212871B (zh) * | 2019-06-12 | 2022-03-22 | 上海艾为电子技术股份有限公司 | 一种音频功率放大器及其增益控制电路和控制方法 |
| TWI783644B (zh) * | 2021-08-23 | 2022-11-11 | 瑞昱半導體股份有限公司 | 音訊處理裝置和音訊處理方法 |
| CN114387988B (zh) * | 2022-01-19 | 2025-01-10 | 昆腾微电子股份有限公司 | 一种音频降噪方法及装置 |
| US12334950B2 (en) * | 2022-12-28 | 2025-06-17 | Texas Instruments Incorporated | Dynamic range boost for amplifiers |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3890767B2 (ja) | 1998-09-22 | 2007-03-07 | ヤマハ株式会社 | 補聴器等の耳装着用外来音処理装置 |
| WO2000051252A1 (fr) * | 1999-02-24 | 2000-08-31 | Mitsubishi Denki Kabushiki Kaisha | Dispositif de poste radio |
| CN1909366B (zh) * | 2001-02-16 | 2012-08-15 | 高通股份有限公司 | 直接变频接收机结构 |
| JP2003092537A (ja) * | 2001-09-17 | 2003-03-28 | Toa Corp | ワイヤレスマイクロホンシステム |
| GB2446843B (en) | 2006-06-30 | 2011-09-07 | Wolfson Microelectronics Plc | Amplifier circuit and methods of operation thereof |
| KR100800722B1 (ko) * | 2006-06-30 | 2008-02-01 | 삼성전자주식회사 | 분실 휴대단말기의 위치 확인 방법 및 시스템 |
| US8311243B2 (en) | 2006-08-21 | 2012-11-13 | Cirrus Logic, Inc. | Energy-efficient consumer device audio power output stage |
| GB2447426B (en) | 2006-12-22 | 2011-07-13 | Wolfson Microelectronics Plc | Charge pump circuit and methods of operation thereof |
| WO2008118353A1 (en) * | 2007-03-23 | 2008-10-02 | Beckman Coulter, Inc. | Multi-gain adaptive linear processing and gated digital system for use in flow cytometry |
| US8126158B2 (en) * | 2007-05-10 | 2012-02-28 | Texas Instruments Incorporated | Reducing sound pressure of noise |
| WO2008146189A2 (en) * | 2007-05-30 | 2008-12-04 | Nxp B.V. | Audio signal amplification |
| JP2009021834A (ja) * | 2007-07-12 | 2009-01-29 | Victor Co Of Japan Ltd | 音量調整装置 |
| US8259953B2 (en) | 2008-04-10 | 2012-09-04 | Bang & Olufsen Icepower A/S | Thermal protection of electro dynamic transducers used in loudspeaker systems |
| WO2009149584A1 (en) | 2008-06-12 | 2009-12-17 | Zoran Corporation | Method and apparatus for controlling audio input amplitude |
| US7808324B1 (en) | 2009-03-17 | 2010-10-05 | Cirrus Logic, Inc. | Operating environment and process position selected charge-pump operating mode in an audio power amplifier integrated circuit |
| JP5299093B2 (ja) * | 2009-05-29 | 2013-09-25 | 株式会社村田製作所 | バイアス回路、ハイパワーアンプ及び携帯情報端末 |
| JP5258687B2 (ja) * | 2009-07-13 | 2013-08-07 | ルネサスエレクトロニクス株式会社 | メモリインタフェース制御回路 |
| TWI418139B (zh) | 2009-10-09 | 2013-12-01 | Richtek Technology Corp | 高效率g類放大器及其控制方法 |
| CN102075146B (zh) * | 2009-10-20 | 2013-07-10 | 成都芯源系统有限公司 | G类音频放大系统及方法 |
| JP4843094B2 (ja) * | 2010-04-19 | 2011-12-21 | カシオ計算機株式会社 | 受信装置、および、プログラム |
| CN102195566B (zh) * | 2011-02-01 | 2013-02-27 | 上海矽诺微电子有限公司 | 音频放大器的静态噪声消除电路 |
| US8582786B2 (en) * | 2011-06-15 | 2013-11-12 | Alpine Electronics, Inc. | Automatic gain control of amplifier by dynamic suppressing and output control at multiple stages |
-
2012
- 2012-04-10 US US13/443,525 patent/US9065413B2/en active Active
-
2013
- 2013-01-25 JP JP2014554857A patent/JP6141880B2/ja active Active
- 2013-01-25 WO PCT/US2013/023160 patent/WO2013112846A1/en not_active Ceased
- 2013-01-25 CN CN201380006724.0A patent/CN104081664B/zh active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104081664A (zh) | 2014-10-01 |
| US9065413B2 (en) | 2015-06-23 |
| JP2015510722A (ja) | 2015-04-09 |
| CN104081664B (zh) | 2017-03-01 |
| WO2013112846A1 (en) | 2013-08-01 |
| US20130188808A1 (en) | 2013-07-25 |
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