SPATIAL SOUND PLAYBACK SYSTEM Russian patent published in 1998 - IPC

Abstract RU 2106075 C1

FIELD: radio engineering, sound playback in various rooms for individual listening. SUBSTANCE: system includes multichannel signal source and sound playback channels. Each sound playback channel is composed of low-frequency amplifier and loudspeaker coupled in series, probing device, automatic control device, communication line. Output of probing device is connected to first input of automatic control device by means of communication line which second input is connected to output of signal source and which output is coupled to input of low-frequency amplifier. EFFECT: enhanced functional reliability. 19 cl, 4 dwg

Similar patents RU2106075C1

Title Year Author Number
SPATIAL SOUND-REPRODUCING SYSTEM 1996
  • Efremov Vladimir Anatol'Evich
RU2106074C1
SPATIAL SOUND-REPRODUCING SYSTEM 1996
  • Efremov Vladimir Anatol'Evich
RU2106073C1
METHOD FOR OPTIMAL TRANSMISSION OF ARBITRARY MESSAGES, FOR EXAMPLE, METHOD FOR OPTIMAL ACOUSTIC PLAYBACK AND DEVICE WHICH IMPLEMENTS SAID METHOD; METHOD FOR OPTIMAL THREE- DIMENSIONAL ACTIVE ATTENUATION OF LEVEL OF ARBITRARY SIGNALS 1997
  • Efremov V.A.
RU2145446C1
THREE-DIMENSIONAL SPEAKING SYSTEM 1993
  • Efremov Vladimir Anatol'Evich
RU2038704C1
METHOD OF MESSAGE TRANSFER AND SYSTEM FOR ITS REALISATION 2004
  • Efremov Vladimir Anatol'Evich
RU2344479C2
METHOD FOR TRANSFERRING MESSAGES OF ANY PHYSICAL ORIGIN, FOR EXAMPLE, METHOD FOR TRANSFERRING SOUND MESSAGES AND SYSTEM FOR ITS REALIZATION 2005
  • Efremov Vladimir Anatol'Evich
RU2288550C1
METHOD OF COMMUNICATION OF MESSAGES OF ANY PHYSICAL NATURE, FOR EXAMPLE, METHOD OF COMMUNICATION OF AUDIO MESSAGES AND SYSTEM FOR ITS IMPLEMENTATION 2004
  • Efremov Vladimir Anatol'Evich
RU2326495C2
METHOD OF MESSAGING AND SYSTEM FOR REALISING SAID METHOD (VERSIONS) 2008
  • Efremov Vladimir Anatol'Evich
RU2422919C2
METHOD FOR TRANSFERRING MESSAGES USING CHECK COMMUNICATION, METHOD FOR ACTIVE REDUCTION OF NOISES 2006
  • Efremov Vladimir Anatol'Evich
RU2320012C2
METHOD OF TRANSMISSION OF MESSAGES OF ANY PHYSICAL NATURE, FOR INSTANCE, METHOD OF AUDIO REPRODUCTION, AND SYSTEM FOR ITS REALIZATION ( VARIANTS ), METHOD OF SPATIAL, ACTIVE REDUCTION OF LEVEL OF SIGNALS OF ANY PHYSICAL NATURE (VARIANTS ) 2000
  • Efremov V.A.
RU2211491C9

RU 2 106 075 C1

Authors

Efremov Vladimir Anatol'Evich

Dates

1998-02-27Published

1996-03-25Filed