JPWO2008041321A1 - 信号処理装置及びそれを用いた放送装置 - Google Patents
信号処理装置及びそれを用いた放送装置 Download PDFInfo
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- JPWO2008041321A1 JPWO2008041321A1 JP2008537378A JP2008537378A JPWO2008041321A1 JP WO2008041321 A1 JPWO2008041321 A1 JP WO2008041321A1 JP 2008537378 A JP2008537378 A JP 2008537378A JP 2008537378 A JP2008537378 A JP 2008537378A JP WO2008041321 A1 JPWO2008041321 A1 JP WO2008041321A1
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- signal processing
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- 238000007906 compression Methods 0.000 claims abstract description 36
- 230000006835 compression Effects 0.000 claims abstract description 33
- 230000005236 sound signal Effects 0.000 claims abstract description 19
- 230000003321 amplification Effects 0.000 claims abstract description 15
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 15
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 9
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 9
- 230000002194 synthesizing effect Effects 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 27
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
Description
2 D/A変換器
3 増幅装置
3a パワーアンプ
3b トランス
4 ハイインピーダンス伝送路
5 スピーカ装置
5a スピーカ
5b トランス
Fd 帯域分割回路
G1〜Gn AGC(自動利得制御)増幅回路
C1〜Cn コンプレス回路
Fc 帯域合成回路
Claims (2)
- 音声信号を複数の周波数帯域の信号に分割する帯域分割回路と、
前記帯域分割回路により分割された各々の周波数帯域の信号を入力し、前記各々の周波数帯域の信号のレベルが各々の周波数帯域に対応して予め定められているレベルになるように自動利得制御による増幅処理を前記各々の周波数帯域の信号に対し行う複数の自動利得制御増幅回路と、
各々の前記自動利得制御増幅回路により増幅処理された信号をコンプレス処理して出力する複数のコンプレス回路と、
前記複数のコンプレス回路の出力信号を合成して出力する帯域合成回路とを備えた信号処理装置。 - 請求項1に記載の信号処理装置と、
前記信号処理装置の前記帯域合成回路の出力信号を増幅し、ハイインピーダンス伝送路へ出力する増幅装置と、
各々が前記ハイインピーダンス伝送路にトランスを介して接続されたスピーカとを備えた放送装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2006/319763 WO2008041321A1 (fr) | 2006-10-03 | 2006-10-03 | Dispositif de traitement des signaux et dispositif de diffusion utilisant ledit dispositif |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2008041321A1 true JPWO2008041321A1 (ja) | 2010-02-04 |
JP4859928B2 JP4859928B2 (ja) | 2012-01-25 |
Family
ID=39268187
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008537378A Active JP4859928B2 (ja) | 2006-10-03 | 2006-10-03 | 放送装置 |
Country Status (2)
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JP (1) | JP4859928B2 (ja) |
WO (1) | WO2008041321A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009110087A1 (ja) * | 2008-03-07 | 2009-09-11 | ティーオーエー株式会社 | 信号処理装置 |
JP5008095B2 (ja) * | 2009-01-30 | 2012-08-22 | 株式会社京三製作所 | 案内情報放送システム |
US20120308042A1 (en) * | 2011-06-01 | 2012-12-06 | Visteon Global Technologies, Inc. | Subwoofer Volume Level Control |
US9178479B2 (en) | 2011-09-15 | 2015-11-03 | Mitsubishi Electric Corporation | Dynamic range control apparatus |
CN105472505A (zh) * | 2014-09-26 | 2016-04-06 | 深圳市三诺数字科技有限公司 | 一种用于音频输出的多段限幅控制系统 |
US10923132B2 (en) | 2016-02-19 | 2021-02-16 | Dolby Laboratories Licensing Corporation | Diffusivity based sound processing method and apparatus |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52149054A (en) * | 1976-06-02 | 1977-12-10 | Furitsuke Yobusuto | Sound regenerative system |
JPS53126845A (en) * | 1977-04-12 | 1978-11-06 | Saito Yoshiaki | Method of compressing and amplifying audio signal |
JPH09232896A (ja) * | 1996-02-27 | 1997-09-05 | Alpine Electron Inc | オーディオ信号処理方法 |
JPH09331223A (ja) * | 1996-06-12 | 1997-12-22 | Alpine Electron Inc | 信号処理装置 |
JPH1117778A (ja) * | 1997-06-23 | 1999-01-22 | Sony Corp | 音声信号の処理回路 |
JPH11187495A (ja) * | 1997-12-19 | 1999-07-09 | Toa Corp | スピーカラインの検査装置 |
JP2000278786A (ja) * | 1999-03-23 | 2000-10-06 | Sony Corp | マイクロホン装置 |
JP2001100774A (ja) * | 1999-09-28 | 2001-04-13 | Takayuki Arai | 音声処理装置 |
JP2005175674A (ja) * | 2003-12-09 | 2005-06-30 | Nec Corp | 信号圧縮伸張装置および携帯通信端末装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003299181A (ja) * | 2002-04-03 | 2003-10-17 | Sony Corp | オーディオ信号処理装置及びオーディオ信号処理方法 |
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2006
- 2006-10-03 WO PCT/JP2006/319763 patent/WO2008041321A1/ja active Application Filing
- 2006-10-03 JP JP2008537378A patent/JP4859928B2/ja active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52149054A (en) * | 1976-06-02 | 1977-12-10 | Furitsuke Yobusuto | Sound regenerative system |
JPS53126845A (en) * | 1977-04-12 | 1978-11-06 | Saito Yoshiaki | Method of compressing and amplifying audio signal |
JPH09232896A (ja) * | 1996-02-27 | 1997-09-05 | Alpine Electron Inc | オーディオ信号処理方法 |
JPH09331223A (ja) * | 1996-06-12 | 1997-12-22 | Alpine Electron Inc | 信号処理装置 |
JPH1117778A (ja) * | 1997-06-23 | 1999-01-22 | Sony Corp | 音声信号の処理回路 |
JPH11187495A (ja) * | 1997-12-19 | 1999-07-09 | Toa Corp | スピーカラインの検査装置 |
JP2000278786A (ja) * | 1999-03-23 | 2000-10-06 | Sony Corp | マイクロホン装置 |
JP2001100774A (ja) * | 1999-09-28 | 2001-04-13 | Takayuki Arai | 音声処理装置 |
JP2005175674A (ja) * | 2003-12-09 | 2005-06-30 | Nec Corp | 信号圧縮伸張装置および携帯通信端末装置 |
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Publication number | Publication date |
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WO2008041321A1 (fr) | 2008-04-10 |
JP4859928B2 (ja) | 2012-01-25 |
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