JPS6467010A - Pseudo pink noise generator - Google Patents

Pseudo pink noise generator

Info

Publication number
JPS6467010A
JPS6467010A JP22353287A JP22353287A JPS6467010A JP S6467010 A JPS6467010 A JP S6467010A JP 22353287 A JP22353287 A JP 22353287A JP 22353287 A JP22353287 A JP 22353287A JP S6467010 A JPS6467010 A JP S6467010A
Authority
JP
Japan
Prior art keywords
memory
waveform data
pseudo
pink noise
address
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.)
Granted
Application number
JP22353287A
Other languages
Japanese (ja)
Other versions
JPH0580161B2 (en
Inventor
Takanori Komuro
Makoto Imamura
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.)
Yokogawa Electric Corp
Original Assignee
Yokogawa Electric 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 Yokogawa Electric Corp filed Critical Yokogawa Electric Corp
Priority to JP22353287A priority Critical patent/JPS6467010A/en
Publication of JPS6467010A publication Critical patent/JPS6467010A/en
Publication of JPH0580161B2 publication Critical patent/JPH0580161B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Electrophonic Musical Instruments (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

Abstract

PURPOSE:To obtain a pseudo pink noise signal with high accuracy and excellent reproducibility by reading a waveform data from a memory storing plural sine waveform data with equal level at an equal frequency interval so as to apply D/A conversion. CONSTITUTION:A memory 7 stored with plural sine wave data with equal level at an equal frequency interval to number of pairs, a means 8 generating an address to read a waveform data from the memory 7 and a D/A converter 9 converting the waveform data read from the memory 7 into an analog signal according to the address fed from the means 8, are provided. Then the waveform data is read sequentially to the D/A converter 9 by using the count of the addresscounter from the memory 7 as the address and converted into an analog signal to be used for a pseudo pink noise whose energy frequency distribution characteristic is made flat in applying the signal to a band pass filter having a 1/3 octave pass band.
JP22353287A 1987-09-07 1987-09-07 Pseudo pink noise generator Granted JPS6467010A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22353287A JPS6467010A (en) 1987-09-07 1987-09-07 Pseudo pink noise generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22353287A JPS6467010A (en) 1987-09-07 1987-09-07 Pseudo pink noise generator

Publications (2)

Publication Number Publication Date
JPS6467010A true JPS6467010A (en) 1989-03-13
JPH0580161B2 JPH0580161B2 (en) 1993-11-08

Family

ID=16799627

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22353287A Granted JPS6467010A (en) 1987-09-07 1987-09-07 Pseudo pink noise generator

Country Status (1)

Country Link
JP (1) JPS6467010A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110478597A (en) * 2019-08-22 2019-11-22 西安八水健康科技有限公司 A kind of pink noise generator for consolidating stimulation apparatus for brain memory

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110478597A (en) * 2019-08-22 2019-11-22 西安八水健康科技有限公司 A kind of pink noise generator for consolidating stimulation apparatus for brain memory

Also Published As

Publication number Publication date
JPH0580161B2 (en) 1993-11-08

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