GB2530605B - Systems and methods for compressing a digital signal - Google Patents

Systems and methods for compressing a digital signal

Info

Publication number
GB2530605B
GB2530605B GB1511091.9A GB201511091A GB2530605B GB 2530605 B GB2530605 B GB 2530605B GB 201511091 A GB201511091 A GB 201511091A GB 2530605 B GB2530605 B GB 2530605B
Authority
GB
United Kingdom
Prior art keywords
compressing
systems
methods
digital signal
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
GB1511091.9A
Other versions
GB2530605A (en
GB201511091D0 (en
Inventor
Parker Chesney Brian
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 Inc
Original Assignee
Cirrus Logic Inc
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
Priority claimed from US14/745,795 external-priority patent/US9626981B2/en
Application filed by Cirrus Logic Inc filed Critical Cirrus Logic Inc
Publication of GB201511091D0 publication Critical patent/GB201511091D0/en
Publication of GB2530605A publication Critical patent/GB2530605A/en
Application granted granted Critical
Publication of GB2530605B publication Critical patent/GB2530605B/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
    • H03M3/412—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution
    • H03M3/422—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only
    • H03M3/424—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only the quantiser being a multiple bit one
    • 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
    • H03M3/412—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution
    • H03M3/422—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only
    • H03M3/424—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only the quantiser being a multiple bit one
    • H03M3/428—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only the quantiser being a multiple bit one with lower resolution, e.g. single bit, feedback
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M5/00—Conversion of the form of the representation of individual digits
    • H03M5/02—Conversion to or from representation by pulses
    • H03M5/04—Conversion to or from representation by pulses the pulses having two levels

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
GB1511091.9A 2014-06-25 2015-06-24 Systems and methods for compressing a digital signal Active GB2530605B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201462016881P 2014-06-25 2014-06-25
US14/745,795 US9626981B2 (en) 2014-06-25 2015-06-22 Systems and methods for compressing a digital signal

Publications (3)

Publication Number Publication Date
GB201511091D0 GB201511091D0 (en) 2015-08-05
GB2530605A GB2530605A (en) 2016-03-30
GB2530605B true GB2530605B (en) 2018-10-24

Family

ID=53525281

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1511091.9A Active GB2530605B (en) 2014-06-25 2015-06-24 Systems and methods for compressing a digital signal

Country Status (1)

Country Link
GB (1) GB2530605B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9332345B1 (en) 2013-04-09 2016-05-03 Cirrus Logic, Inc. Use of microphone capacitance as a switched capacitor in an input network of a delta-sigma modulator
US9626981B2 (en) 2014-06-25 2017-04-18 Cirrus Logic, Inc. Systems and methods for compressing a digital signal

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0173983A2 (en) * 1984-08-30 1986-03-12 Fujitsu Limited Differential coding circuit
US20090295615A1 (en) * 2008-05-28 2009-12-03 Austriamicrosystems Ag Sigma-Delta Converter and Signal Processing Method
US20100057444A1 (en) * 2008-07-26 2010-03-04 Andrew Cilia Method and system of extending battery life of a wireless microphone unit
GB2508612A (en) * 2012-12-04 2014-06-11 Wolfson Microelectronics Plc Interpretation circuit for a switch unit comprising a plurality of register blocks
US20140301572A1 (en) * 2013-04-09 2014-10-09 Cirrus Logic, Inc. Systems and methods for compressing a digital signal in a digital microphone system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0173983A2 (en) * 1984-08-30 1986-03-12 Fujitsu Limited Differential coding circuit
US20090295615A1 (en) * 2008-05-28 2009-12-03 Austriamicrosystems Ag Sigma-Delta Converter and Signal Processing Method
US20100057444A1 (en) * 2008-07-26 2010-03-04 Andrew Cilia Method and system of extending battery life of a wireless microphone unit
GB2508612A (en) * 2012-12-04 2014-06-11 Wolfson Microelectronics Plc Interpretation circuit for a switch unit comprising a plurality of register blocks
US20140301572A1 (en) * 2013-04-09 2014-10-09 Cirrus Logic, Inc. Systems and methods for compressing a digital signal in a digital microphone system

Also Published As

Publication number Publication date
GB2530605A (en) 2016-03-30
GB201511091D0 (en) 2015-08-05

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