GB2030822B - Method of and apparatus for digital audio/fdm and pcm/fdm conversion - Google Patents

Method of and apparatus for digital audio/fdm and pcm/fdm conversion

Info

Publication number
GB2030822B
GB2030822B GB7932006A GB7932006A GB2030822B GB 2030822 B GB2030822 B GB 2030822B GB 7932006 A GB7932006 A GB 7932006A GB 7932006 A GB7932006 A GB 7932006A GB 2030822 B GB2030822 B GB 2030822B
Authority
GB
United Kingdom
Prior art keywords
fdm
pcm
signals
conversion
digital audio
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.)
Expired
Application number
GB7932006A
Other languages
English (en)
Other versions
GB2030822A (en
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.)
Siemens Corp
Original Assignee
Siemens Corp
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 Siemens Corp filed Critical Siemens Corp
Publication of GB2030822A publication Critical patent/GB2030822A/en
Application granted granted Critical
Publication of GB2030822B publication Critical patent/GB2030822B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J4/00—Combined time-division and frequency-division multiplex systems
    • H04J4/005—Transmultiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Analogue/Digital Conversion (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Transmitters (AREA)
  • Amplitude Modulation (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
GB7932006A 1978-09-15 1979-09-14 Method of and apparatus for digital audio/fdm and pcm/fdm conversion Expired GB2030822B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2840256A DE2840256C3 (de) 1978-09-15 1978-09-15 Verfahren zur digitalen Audio/FDM und PCM/FDM-Umsetzung

Publications (2)

Publication Number Publication Date
GB2030822A GB2030822A (en) 1980-04-10
GB2030822B true GB2030822B (en) 1983-03-02

Family

ID=6049570

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7932006A Expired GB2030822B (en) 1978-09-15 1979-09-14 Method of and apparatus for digital audio/fdm and pcm/fdm conversion

Country Status (14)

Country Link
US (1) US4326288A (enExample)
EP (1) EP0009203B1 (enExample)
JP (1) JPS5541094A (enExample)
AT (1) ATE2592T1 (enExample)
AU (1) AU520499B2 (enExample)
BR (1) BR7905885A (enExample)
DE (1) DE2840256C3 (enExample)
DK (1) DK385379A (enExample)
FI (1) FI792871A7 (enExample)
GB (1) GB2030822B (enExample)
HU (1) HU180950B (enExample)
MX (1) MX153287A (enExample)
NO (1) NO153828C (enExample)
YU (1) YU224479A (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3041701C2 (de) * 1980-11-05 1986-01-02 ANT Nachrichtentechnik GmbH, 7150 Backnang Verfahren zur Einkopplung der Pilottöne bei der Umsetzung von Zeitmultiplex-Signalen in Frequenzmultiplex-Signale
NL8103064A (nl) * 1981-06-25 1983-01-17 Philips Nv Gemeenschappelijke antenne-inrichting voor de ontvangst en distributie van tv- en digitale audiosignalen.
DE3144456A1 (de) * 1981-11-09 1983-05-19 Siemens AG, 1000 Berlin und 8000 München Transversalfilter zur umformung digitaler signale
JPH0442516Y2 (enExample) * 1986-08-09 1992-10-07
DE3773848D1 (de) * 1986-11-12 1991-11-21 Siemens Ag Mehrdimensionale (k-dimensionales) digitalfilter, das addierer, multiplizierer und schiebeglieder enthaelt.
JPS63180792A (ja) * 1987-01-19 1988-07-25 富士写真フイルム株式会社 配管の継手構造
NO165980C (no) * 1988-11-07 1991-05-08 Frobe Radio As Fremgangsmaate for omforming respektive prosessering av elektroniske multiplekssignaler, og anordning for prosessering av slike signaler.
GB2258963B (en) * 1991-08-23 1995-06-14 Sony Broadcast & Communication Sub band filters
GB2313490B (en) * 1996-05-23 2000-09-20 Matra Marconi Space Uk Ltd Multiplexing/demultiplexing an FDM or RF signal channels
KR101684061B1 (ko) * 2015-02-05 2016-12-07 김규용 멀티플렉서 및 멀티플렉서용 저역통과필터

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2027303C3 (de) * 1970-06-03 1975-09-04 Siemens Ag, 1000 Berlin Und 8000 Muenchen Filter mit frequenzabhängigen Übertragungseigenschaften für elektrische Analogsignale
GB1457768A (en) * 1972-12-22 1976-12-08 Siemens Ag Digital filters
FR2204335A5 (enExample) * 1972-10-24 1974-05-17 Cit Alcatel
FR2210061B1 (enExample) * 1972-12-07 1977-04-08 Cit Alcatel
US3965300A (en) * 1974-04-23 1976-06-22 Tekade Felten & Guilleaume Fernmeldeanlagen Gmbh 200 MHz carrier frequency system with sextenary groups
US4011905A (en) * 1975-12-18 1977-03-15 Borg-Warner Corporation Heat exchangers with integral surge tanks
JPS5831061B2 (ja) * 1976-02-24 1983-07-04 日本電気株式会社 デイジタル処理による単側帯波周波数分割多重方式

Also Published As

Publication number Publication date
AU520499B2 (en) 1982-02-04
BR7905885A (pt) 1980-05-27
DE2840256B2 (de) 1980-09-25
MX153287A (es) 1986-09-11
DE2840256C3 (de) 1981-04-30
NO792974L (no) 1980-03-18
EP0009203B1 (de) 1983-02-16
DE2840256A1 (de) 1980-03-20
DK385379A (da) 1980-03-16
NO153828B (no) 1986-02-17
AU5085279A (en) 1980-04-24
HU180950B (en) 1983-05-30
NO153828C (no) 1986-05-28
FI792871A7 (fi) 1981-01-01
ATE2592T1 (de) 1983-03-15
JPH0216069B2 (enExample) 1990-04-16
JPS5541094A (en) 1980-03-22
US4326288A (en) 1982-04-20
YU224479A (en) 1983-04-30
EP0009203A1 (de) 1980-04-02
GB2030822A (en) 1980-04-10

Similar Documents

Publication Publication Date Title
GB2089622B (en) Technique for high rate digital transmission over a dynamic dispersive channel
GB2196512B (en) Variable data rate channel for digital network
GB2048617B (en) Method of frame synchronisation of a digital tdm communication system and arrangement for performing the method
DK612389A (da) Fremgangsmaade og apparat til tilvejebringelse af digital audio i fm-sendebaandet
FI893949L (fi) Menetelmä dispergoivien, lineaaristen tai likimain lineaaristen kanavien korjausta varten digitaalisten signaalien siirtämiseksi sekä laite menetelmän suorittamiseksi
IL44994A (en) Method and apparatus for the secret transmission of speech signals
GB2030822B (en) Method of and apparatus for digital audio/fdm and pcm/fdm conversion
CA1023817A (en) Method and apparatus for decreasing channel spacing in digital frequency synthesizers
AU467834B2 (en) Apparatus for distinguishing between various fm broadcast multiplex transmissions
NO874685D0 (no) Kommunikasjonssystem med tidsmultipleks for effektiv utnyttelse av frekvensbaand.
JPS57184394A (en) Method and device for mixing low frequency signals transmitted in digital format through different time division channel toward telephone
DE3164136D1 (en) Method of transforming speech signals subdivided into signal segments for enciphered transmission, and apparatus for realizing this method
IE38356L (en) Frequency multiplex apparatus
AU468388B2 (en) Channel filter arrangement fora carrier frequency transmission system
JPS51137314A (en) Communication channel selecting system and its device
JPS56121098A (en) Pitch frequency transmission system for voice analyzing and synthesizing system
JPS543405A (en) Service channel transmission system
JPS5271918A (en) Synchronous transmission system for time compressed multiplex transmis sion
HU171184B (hu) Sposob i ehlektroskhema dlja peredachi signalov cherez sluzhebnyj kanal kommunikacionnykh sistem svjazi
JPS5294708A (en) Band compressing audio transmission system
AU500050B2 (en) Multiplex carrier frequency transmission system
JPS5280711A (en) Pam timeedivision multiplex transmission system
JPS5255421A (en) Synchronous retiming system
PL124888B2 (en) Apparatus for recording digital telegraph reports
JPS51129101A (en) Transmission method for stereo signals

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee