GB2553473B - Analog-to-digital converter - Google Patents

Analog-to-digital converter

Info

Publication number
GB2553473B
GB2553473B GB1719308.7A GB201719308A GB2553473B GB 2553473 B GB2553473 B GB 2553473B GB 201719308 A GB201719308 A GB 201719308A GB 2553473 B GB2553473 B GB 2553473B
Authority
GB
United Kingdom
Prior art keywords
analog
digital converter
converter
digital
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
Application number
GB1719308.7A
Other versions
GB201719308D0 (en
GB2553473A (en
Inventor
Paul Lesso John
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cirrus Logic International Semiconductor Ltd
Original Assignee
Cirrus Logic International Semiconductor Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Cirrus Logic International Semiconductor Ltd filed Critical Cirrus Logic International Semiconductor Ltd
Priority to GB1719308.7A priority Critical patent/GB2553473B/en
Priority claimed from GB1609582.0A external-priority patent/GB2541079B/en
Publication of GB201719308D0 publication Critical patent/GB201719308D0/en
Publication of GB2553473A publication Critical patent/GB2553473A/en
Application granted granted Critical
Publication of GB2553473B publication Critical patent/GB2553473B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H03M3/39—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators
    • H03M3/392—Arrangements for selecting among plural operation modes, e.g. for multi-standard operation
    • H03M3/398—Arrangements for selecting among plural operation modes, e.g. for multi-standard operation among different converter types
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00—Speech recognition
    • G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L17/00—Speaker identification or verification techniques
    • G10L17/22—Interactive procedures; Man-machine interfaces
    • G10L17/24—Interactive procedures; Man-machine interfaces the user being prompted to utter a password or a predefined phrase
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/002—Provisions or arrangements for saving power, e.g. by allowing a sleep mode, using lower supply voltage for downstream stages, using multiple clock domains or by selectively turning on stages when needed
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/004—Reconfigurable analogue/digital or digital/analogue converters
    • H03M1/005—Reconfigurable analogue/digital or digital/analogue converters among different converters types
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/004—Reconfigurable analogue/digital or digital/analogue converters
    • H03M1/007—Reconfigurable analogue/digital or digital/analogue converters among different resolutions
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/60—Analogue/digital converters with intermediate conversion to frequency of pulses
    • 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
    • H03M3/32—Delta-sigma modulation with special provisions or arrangements for power saving, e.g. by allowing a sleep mode, using lower supply voltage for downstream stages, using multiple clock domains, by selectively turning on stages when needed
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78—Detection of presence or absence of voice signals
    • 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
    • H03M3/458—Analogue/digital converters using delta-sigma modulation as an intermediate step

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Telephone Function (AREA)
GB1719308.7A 2013-06-26 2013-06-26 Analog-to-digital converter Active GB2553473B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1719308.7A GB2553473B (en) 2013-06-26 2013-06-26 Analog-to-digital converter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1719308.7A GB2553473B (en) 2013-06-26 2013-06-26 Analog-to-digital converter
GB1609582.0A GB2541079B (en) 2013-06-26 2013-06-26 Analog-to-digital converter

Publications (3)

Publication Number Publication Date
GB201719308D0 GB201719308D0 (en) 2018-01-03
GB2553473A GB2553473A (en) 2018-03-07
GB2553473B true GB2553473B (en) 2018-05-02

Family

ID=60805744

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1719308.7A Active GB2553473B (en) 2013-06-26 2013-06-26 Analog-to-digital converter

Country Status (1)

Country Link
GB (1) GB2553473B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI733117B (en) * 2019-05-21 2021-07-11 瑞昱半導體股份有限公司 Audio processing circuit supporting multi-channel audio input function

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0954107A2 (en) * 1998-04-27 1999-11-03 Motorola, Inc. Sigma-delta modulator and digitizing method
US6362762B1 (en) * 2000-08-23 2002-03-26 Hrl Laboratories, Llc Multiple mode analog-to-digital converter employing a single quantizer
US6894632B1 (en) * 2004-01-14 2005-05-17 Northrop Grumman Corporation Programmable analog-to-digital converter
US7183957B1 (en) * 2005-12-30 2007-02-27 Cirrus Logic, Inc. Signal processing system with analog-to-digital converter using delta-sigma modulation having an internal stabilizer loop

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0954107A2 (en) * 1998-04-27 1999-11-03 Motorola, Inc. Sigma-delta modulator and digitizing method
US6362762B1 (en) * 2000-08-23 2002-03-26 Hrl Laboratories, Llc Multiple mode analog-to-digital converter employing a single quantizer
US6894632B1 (en) * 2004-01-14 2005-05-17 Northrop Grumman Corporation Programmable analog-to-digital converter
US7183957B1 (en) * 2005-12-30 2007-02-27 Cirrus Logic, Inc. Signal processing system with analog-to-digital converter using delta-sigma modulation having an internal stabilizer loop

Also Published As

Publication number Publication date
GB201719308D0 (en) 2018-01-03
GB2553473A (en) 2018-03-07

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