JPS57185793A - Driving system for digital speaker - Google Patents

Driving system for digital speaker

Info

Publication number
JPS57185793A
JPS57185793A JP7124581A JP7124581A JPS57185793A JP S57185793 A JPS57185793 A JP S57185793A JP 7124581 A JP7124581 A JP 7124581A JP 7124581 A JP7124581 A JP 7124581A JP S57185793 A JPS57185793 A JP S57185793A
Authority
JP
Japan
Prior art keywords
polarity
signals
quantized value
speaker
value
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
JP7124581A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0440920B2 (OSRAM
Inventor
Kiyofumi Inanaga
Masaaki Nishimura
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP7124581A priority Critical patent/JPS57185793A/ja
Publication of JPS57185793A publication Critical patent/JPS57185793A/ja
Publication of JPH0440920B2 publication Critical patent/JPH0440920B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/005—Details of transducers, loudspeakers or microphones using digitally weighted transducing elements

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
JP7124581A 1981-05-12 1981-05-12 Driving system for digital speaker Granted JPS57185793A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7124581A JPS57185793A (en) 1981-05-12 1981-05-12 Driving system for digital speaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7124581A JPS57185793A (en) 1981-05-12 1981-05-12 Driving system for digital speaker

Publications (2)

Publication Number Publication Date
JPS57185793A true JPS57185793A (en) 1982-11-16
JPH0440920B2 JPH0440920B2 (OSRAM) 1992-07-06

Family

ID=13455112

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7124581A Granted JPS57185793A (en) 1981-05-12 1981-05-12 Driving system for digital speaker

Country Status (1)

Country Link
JP (1) JPS57185793A (OSRAM)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0814633A1 (en) * 1996-06-18 1997-12-29 Sony Corporation Digital loudspeaker with sound volume control
EP0810810A3 (en) * 1996-05-28 1998-01-14 Sony Corporation Digital loudspeaker and sound reproduction system employing such a loudspeaker

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56131294A (en) * 1980-03-17 1981-10-14 Matsushita Electric Ind Co Ltd Digital speaker system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56131294A (en) * 1980-03-17 1981-10-14 Matsushita Electric Ind Co Ltd Digital speaker system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0810810A3 (en) * 1996-05-28 1998-01-14 Sony Corporation Digital loudspeaker and sound reproduction system employing such a loudspeaker
US6160894A (en) * 1996-05-28 2000-12-12 Sony Corporation Speaker apparatus and sound reproduction system employing same
EP0814633A1 (en) * 1996-06-18 1997-12-29 Sony Corporation Digital loudspeaker with sound volume control
US5862237A (en) * 1996-06-18 1999-01-19 Sony Corporation Speaker apparatus

Also Published As

Publication number Publication date
JPH0440920B2 (OSRAM) 1992-07-06

Similar Documents

Publication Publication Date Title
JPS6454932A (en) Data converting circuit
JPS57185793A (en) Driving system for digital speaker
CA2061462A1 (en) Speech signal coding and decoding system transmitting allowance range information
GB987289A (en) Analogue to digital conversion system
JPS5758414A (en) Analog-to-digital conversion circuit providing agc function
JPS56135345A (en) Optical signal transmitting device
GB1200680A (en) Electrical data transmission system
JPS55121517A (en) Sound announciator
JPS5624825A (en) Analog-digital converting circuit
JPS56147519A (en) Digital-to-analog converter
JPS56169934A (en) Switching circuit of converting characteristic for digital-to-analog converter
JPS5757035A (en) Radio device
JPS5620329A (en) Decoding circuit
JPS5727485A (en) Rotating magnetic field driving device
JPS57170072A (en) Control method of multiplex invertor
JPS5780827A (en) Digital-analogue converter
JPS5715509A (en) Power supply circuit for power amplifier
JPS5737922A (en) A/d converter and its output extending system
JPS5639628A (en) Offset compensation system
JPS57160216A (en) A/d and d/a converter
JPS52149110A (en) Anologue-digital conversion
JPS5761378A (en) Intermediate image band compression coding system
JPS55164976A (en) Processing system for analog digital signal
JPS57197930A (en) Logical circuit
JPS57193176A (en) Redundancy supressing and coding system of half-tone picture signal