EP 3864859 B1 20231004 - ACOUSTIC SYSTEM WITH SPATIAL EFFECT
Title (en)
ACOUSTIC SYSTEM WITH SPATIAL EFFECT
Title (de)
AKUSTISCHES SYSTEM MIT RÄUMLICHEM EFFEKT
Title (fr)
SYSTÈME ACOUSTIQUE À EFFET SPATIAL
Publication
Application
Priority
- FR 1859338 A 20181009
- EP 2019077296 W 20191009
Abstract (en)
[origin: WO2020074553A1] Acoustic system (1) for diffusing sound from <u>N</u> channels (Si) comprising audio frequencies, <u>N</u> being greater than or equal to two, the acoustic system comprising a frame (5), <u>M</u> loudspeakers (HPj) which are similar to each other and mounted on the frame (5), and a processing unit (20) designed to send <u>M</u> loudspeaker signals (SS,) to the loudspeakers, respectively. The loudspeakers are arranged at an angle about an axis (Z), two consecutive loudspeakers forming an angle (a) substantially equal to 360° divided by <u>M</u>. The processing unit (20) comprises a splitter (28) configured to produce the loudspeaker signals (SSj), each loudspeaker signal comprising the same shared bass component (SSLF), in which audio frequencies that are higher than a first predetermined frequency (f1) are non-existent or reduced, at least two of the loudspeaker signals further comprising a specific component (SSj MF) in addition to the shared bass component. In said specific component, audio frequencies lower than the first frequency are non-existent or reduced, each specific component being obtained from at least one of the channels, and at least two of the specific components being different from each other.
IPC 8 full level
H04R 3/12 (2006.01); H04R 1/40 (2006.01); H04S 1/00 (2006.01); H04S 3/00 (2006.01)
CPC (source: EP KR US)
H04R 1/403 (2013.01 - US); H04R 3/12 (2013.01 - EP KR); H04S 1/002 (2013.01 - EP KR); H04S 3/00 (2013.01 - US); H04S 3/002 (2013.01 - EP KR); H04R 1/403 (2013.01 - EP KR); H04R 2201/401 (2013.01 - EP KR US); H04S 2400/01 (2013.01 - US); H04S 2400/03 (2013.01 - EP KR); H04S 2400/07 (2013.01 - EP KR US)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
FR 3087077 A1 20200410; FR 3087077 B1 20220121; CN 112840672 A 20210525; CN 112840672 B 20220809; EP 3864859 A1 20210818; EP 3864859 B1 20231004; JP 2022504565 A 20220113; JP 7501961 B2 20240618; KR 20210070989 A 20210615; US 11451917 B2 20220920; US 2022007125 A1 20220106; WO 2020074553 A1 20200416
DOCDB simple family (application)
FR 1859338 A 20181009; CN 201980067777 A 20191009; EP 19783045 A 20191009; EP 2019077296 W 20191009; JP 2021519640 A 20191009; KR 20217009582 A 20191009; US 201917283349 A 20191009