JP2001352247A - 周波数領域において変調された信号をデジタル−アナログ変換する方法および装置 - Google Patents
周波数領域において変調された信号をデジタル−アナログ変換する方法および装置Info
- Publication number
- JP2001352247A JP2001352247A JP2000173637A JP2000173637A JP2001352247A JP 2001352247 A JP2001352247 A JP 2001352247A JP 2000173637 A JP2000173637 A JP 2000173637A JP 2000173637 A JP2000173637 A JP 2000173637A JP 2001352247 A JP2001352247 A JP 2001352247A
- Authority
- JP
- Japan
- Prior art keywords
- digital
- analog
- signal
- filter
- modulated
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 59
- 238000006243 chemical reaction Methods 0.000 claims abstract description 32
- 238000001914 filtration Methods 0.000 claims abstract description 8
- 238000010586 diagram Methods 0.000 description 12
- 238000005070 sampling Methods 0.000 description 3
- 108010076504 Protein Sorting Signals Proteins 0.000 description 2
- 241000283986 Lepus Species 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M3/00—Conversion of analogue values to or from differential modulation
- H03M3/30—Delta-sigma modulation
- H03M3/50—Digital/analogue converters using delta-sigma modulation as an intermediate step
- H03M3/502—Details of the final digital/analogue conversion following the digital delta-sigma modulation
- H03M3/504—Details of the final digital/analogue conversion following the digital delta-sigma modulation the final digital/analogue converter being constituted by a finite impulse response [FIR] filter, i.e. FIRDAC
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Analogue/Digital Conversion (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000173637A JP2001352247A (ja) | 2000-06-09 | 2000-06-09 | 周波数領域において変調された信号をデジタル−アナログ変換する方法および装置 |
| EP01113414A EP1162749A3 (en) | 2000-06-09 | 2001-06-01 | Method and apparatus for digital-to-analog converting a signal modulated in the frequency domain |
| US09/874,511 US20020018012A1 (en) | 2000-06-09 | 2001-06-05 | Method and apparatus for analog-to-digital converting signal modulated in frequency domain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000173637A JP2001352247A (ja) | 2000-06-09 | 2000-06-09 | 周波数領域において変調された信号をデジタル−アナログ変換する方法および装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001352247A true JP2001352247A (ja) | 2001-12-21 |
| JP2001352247A5 JP2001352247A5 (enExample) | 2007-07-19 |
Family
ID=18675830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000173637A Pending JP2001352247A (ja) | 2000-06-09 | 2000-06-09 | 周波数領域において変調された信号をデジタル−アナログ変換する方法および装置 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20020018012A1 (enExample) |
| EP (1) | EP1162749A3 (enExample) |
| JP (1) | JP2001352247A (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002374170A (ja) * | 2001-06-12 | 2002-12-26 | Nippon Precision Circuits Inc | 1ビットd/a変換器 |
| JP2010011463A (ja) * | 2008-06-26 | 2010-01-14 | Realtek Semiconductor Corp | デジタルオーディオ信号をアナログオーディオ信号に変換する変換装置及びその変換方法 |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002023728A2 (en) | 2000-09-11 | 2002-03-21 | Broadcom Corporation | Method and apparatus for mismatched shaping of an oversampled converter |
| WO2002023733A2 (en) * | 2000-09-11 | 2002-03-21 | Broadcom Corporation | Sigma-delta digital-to-analog converter |
| US7346113B2 (en) * | 2002-07-26 | 2008-03-18 | Texas Instruments Incorporated | Method and circuit for stop of signals quantized using noise-shaping |
| US6982662B2 (en) * | 2003-03-06 | 2006-01-03 | Texas Instruments Incorporated | Method and apparatus for efficient conversion of signals using look-up table |
| WO2009047673A2 (en) * | 2007-10-08 | 2009-04-16 | St-Nxp Wireless (Holding) Ag | Fir digital to analog converter |
| US7978113B2 (en) * | 2009-09-10 | 2011-07-12 | National Semiconductor Corporation | Analog-to-digital converter having output data with reduced bit-width and related system and method |
| CN116436461B (zh) * | 2023-06-12 | 2023-09-19 | 北京思凌科半导体技术有限公司 | 数模转换器和电子设备 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5012245A (en) * | 1989-10-04 | 1991-04-30 | At&T Bell Laboratories | Integral switched capacitor FIR filter/digital-to-analog converter for sigma-delta encoded digital audio |
| JPH09153806A (ja) * | 1995-11-29 | 1997-06-10 | Sony Corp | 信号処理装置 |
| US6011501A (en) * | 1998-12-31 | 2000-01-04 | Cirrus Logic, Inc. | Circuits, systems and methods for processing data in a one-bit format |
-
2000
- 2000-06-09 JP JP2000173637A patent/JP2001352247A/ja active Pending
-
2001
- 2001-06-01 EP EP01113414A patent/EP1162749A3/en not_active Withdrawn
- 2001-06-05 US US09/874,511 patent/US20020018012A1/en not_active Abandoned
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002374170A (ja) * | 2001-06-12 | 2002-12-26 | Nippon Precision Circuits Inc | 1ビットd/a変換器 |
| JP2010011463A (ja) * | 2008-06-26 | 2010-01-14 | Realtek Semiconductor Corp | デジタルオーディオ信号をアナログオーディオ信号に変換する変換装置及びその変換方法 |
| US9391633B2 (en) | 2008-06-26 | 2016-07-12 | Realtek Semiconductor Corp. | Digital-to-analog converter for reducing pop noise and harmonic tone and related converting method |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1162749A2 (en) | 2001-12-12 |
| EP1162749A3 (en) | 2003-11-05 |
| US20020018012A1 (en) | 2002-02-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1168631B1 (en) | Method and apparatus for improving S/N ratio in digital-to-analog conversion of pulse density modulated (PDM) signal | |
| JP3935215B2 (ja) | 音声信号のデータ圧縮及び伸張装置 | |
| US5313205A (en) | Method for varying the interpolation ratio of a digital oversampling digital-to-analog converter system and apparatus therefor | |
| CN1179348C (zh) | 比特流信号的数据处理 | |
| KR100419837B1 (ko) | 샘플링레이트변환방법및장치 | |
| JP2001352247A (ja) | 周波数領域において変調された信号をデジタル−アナログ変換する方法および装置 | |
| CN1092865C (zh) | 用于传输具有特定字长的样本形式且以特定采样速率出现的数字音频信号的数字传输系统 | |
| JPH09153806A (ja) | 信号処理装置 | |
| JP2007518374A (ja) | 時間加重誤差値を有する先読み変調器を用いた信号処理 | |
| JPH0738437A (ja) | コーデック装置 | |
| JP2988894B2 (ja) | Dvd−ビデオ標準に互換するディジタルオーディオ処理システム | |
| CN1282947C (zh) | 数字信号处理设备和方法 | |
| JP2022124126A (ja) | Da変換装置 | |
| JP4391035B2 (ja) | デジタル信号処理装置および処理方法 | |
| JPH02124622A (ja) | 量子化誤差低減装置 | |
| JP4391036B2 (ja) | デジタル信号処理方法および処理装置 | |
| EP0822666B1 (en) | 1-bit digital signal processing device, recording device and reproducing device | |
| JP2507285B2 (ja) | ビット長拡張装置 | |
| JPH08172363A (ja) | 信号伸張装置及び方法 | |
| JPH0265407A (ja) | ディジタル信号処理回路 | |
| JP2000114971A (ja) | ディジタル信号発生装置 | |
| JP3304727B2 (ja) | ディジタルデータ受信装置、送信装置及び伝送方法 | |
| JPH08335882A (ja) | 符号装置及び復号装置 | |
| JP3538931B2 (ja) | 信号伸張装置及び方法 | |
| JPH117718A (ja) | ディジタルデータ記録方法及び装置並びに記録媒体 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20070606 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20070606 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20090727 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20090805 |
|
| RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20091106 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20091222 |