SE355258B - - Google Patents

Info

Publication number
SE355258B
SE355258B SE1259170A SE1259170A SE355258B SE 355258 B SE355258 B SE 355258B SE 1259170 A SE1259170 A SE 1259170A SE 1259170 A SE1259170 A SE 1259170A SE 355258 B SE355258 B SE 355258B
Authority
SE
Sweden
Prior art keywords
frequency
output
detector
input signal
fundamental
Prior art date
Application number
SE1259170A
Other languages
English (en)
Inventor
R Buron
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of SE355258B publication Critical patent/SE355258B/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • 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
    • G10L25/90—Pitch determination of speech signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • General Physics & Mathematics (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
SE1259170A 1969-09-16 1970-09-16 SE355258B (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6932231A FR2058696A5 (cs) 1969-09-16 1969-09-16

Publications (1)

Publication Number Publication Date
SE355258B true SE355258B (cs) 1973-04-09

Family

ID=9040420

Family Applications (1)

Application Number Title Priority Date Filing Date
SE1259170A SE355258B (cs) 1969-09-16 1970-09-16

Country Status (7)

Country Link
BE (1) BE754707A (cs)
CA (1) CA921129A (cs)
CH (1) CH512803A (cs)
DE (1) DE2045347A1 (cs)
FR (1) FR2058696A5 (cs)
GB (1) GB1266268A (cs)
SE (1) SE355258B (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2309785C2 (de) * 1970-12-18 1982-08-19 Siemens AG, 1000 Berlin und 8000 München Anordnung zur Durchführung eines Verfahrens zur Grundfrequenzermittlung mit gleitendem Entscheiderschwellenwert

Also Published As

Publication number Publication date
DE2045347A1 (de) 1971-04-01
CH512803A (de) 1971-09-15
BE754707A (fr) 1971-01-18
GB1266268A (cs) 1972-03-08
CA921129A (en) 1973-02-13
FR2058696A5 (cs) 1971-05-28

Similar Documents

Publication Publication Date Title
US3537008A (en) Communications system incorporating means for combatting multipath interference
US2853601A (en) Automatic gain control
ES277019A1 (es) Detector de variación de frecuencia
FR2058696A5 (cs)
GB1212890A (en) Improvements in or relating to coulometric titration apparatus
ES408246A1 (es) Metodo y aparato para medir yno regular una cantidad.
KR840002602A (ko) 인커밍 시그날에 따른 위상을 오실레이터에 인가하는 방법과 장치
GB1144549A (en) Pulse modulation system
SU611287A1 (ru) Демодул тор частотно-модулированного сигнала
GB1322890A (en) Signal-transition frequency measurement
GB756444A (en) Improvements relating to electric circuits for producing rectangular waveforms
FR1312325A (fr) Détecteur de la fréquence de récurrence d'une oscillation
GB1040974A (en) Compatible single-sideband transmission
JPS56154627A (en) Detector for loose part
US2591732A (en) Radio apparatus
FR93357E (fr) Systeme de transmission de signaux.
GB1528740A (en) Phase modulators
GB1229890A (cs)
JPS5491164A (en) Agc system
GB982224A (en) High voltage supply source
GB1245627A (en) Improvements in or relating to a method and apparatus for shaping a waveform
GB604352A (en) Improvements in systems for communicating intelligence by means of pulses modulated in width
GB1086756A (en) Method of direction-finding
JPS5271911A (en) Dc-ac amplitude modulation transmitting system
FR2288367A1 (fr) Generateur d'onde ultra-sonore