H04S   1/00  \	0	0	5D162	H04S   1/00	1317	ͥʣȣӣȣӣͥˡΣ	Two-channel systems (H04S 5/00, H04S 7/00 take precedence) [3]
H04S   1/00 200 \	1	1	5D162	H04S   1/00	3490	Ŭϩ㡥䲻ζŪ֤Ĵ뤿μưĴĴΤΡʲŻŪΤϩȣӣ	Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution (control circuits for electronic adaptation of the sound field H04S7/00, 300)
H04S   1/00 500 \	2	2	5D162	H04S   1/00	893	إåɥۥ	For headphones
H04S   1/00 700 \	1	1	5D162	H04S   1/00	406	ǥޥͥ뿮򣲤ĤΥͥ˥ߥå	downmixing digital multichannel signals to 2 channel signals
H04S   3/00  \	0	0	5D162	H04S   3/00	835	ͥʾ塤㡥ͥ롤ѤʣȣӣȣӣͥˡΣ	Systems employing more than two channels, e.g. quadraphonic (H04S 5/00, H04S 7/00 take precedence) [3]
H04S   3/00 200 \	1	1	5D162	H04S   3/00	848	Ŭϩ㡥䲻ζŪ֤Ĵ뤿ΡưĴĴΤΡʲŻŪΤϩȣӣ	Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution (control circuits for electronic adaptation of the sound field H04S7/00, 300)
H04S   3/00 400 \	2	2	5D162	H04S   3/00	67	إåɥۥ	For headphones
H04S   3/00 600 \	1	1	5D162	H04S   3/00	306	ʣΥǥ򥪡ǥĴȹ礻ѴΡ㡥ãġݣƥ	multiple audio signals transformed into a combination between audio signals and modulated signals, e.g. CD-4 system
H04S   3/00 800 \	1	1	5D162	H04S   3/00	139	ǥޥͥ뿮򣲤ĤΥͥ¿ͥ˥ߥåΡ㡥ɥӡǥޤϣģԣ	downmixing digital multichannel signals to two or more channel signals, e.g. Dolby digital or DTS
H04S   3/02  \	1	1	5D162	H04S   3/02	708	ޥȥꥯʤϿ椬ŪȤ߹蘆Ρ㡥ߤ˴ؤưܤʤ줿Ȥ߹蘆ΡΣ	of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other [3]
H04S   5/00  \	0	0	5D162	H04S   5/00	724	ƥ쥪㡥ղŪʥͥ뿮椬Υ뿮椫ܡٱޤϻĶˤäΣ	Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation (arrangements for producing a reverberation or echo sound G10K 15/08) [3]
H04S   5/00 500 \	1	1	5D162	H04S   5/00	177	ͥ䤽ʾεͥΤΡ㡥С륵饦	Virtual 5 or more channel system, e.g. virtual surround
H04S   5/02  \	1	1	5D162	H04S   5/02	964	ͥ㡥ͥ뿮椬ͥ륹ƥ쥪椫ΡΣ	of the pseudo four-channel type, e.g. in which rear channel signals are derived from two-channel stereo signals [3]
H04S   7/00  \	0	0	5D162	H04S   7/00	2270	ؼ֡֡㡥ХΣ	Indicating arrangements; Control arrangements, e.g. balance control [3]
H04S   7/00 300 \	1	1	5D162	H04S   7/00	9539	ŻŪΤϩŬϩʤ䲻ζŪ֤Ĵ롤ưĴĴΤΣȣӣȣӣ	Control circuits for electronic adaptation of the sound field (non-adaptive circuits, i.e. manually adjustable or static, for enhancing the sound image or the spatial distribution H04S1/00, 200, H04S3/00, 200)
H04S   7/00 310 \	2	2	5D162	H04S   7/00	574	ƥ쥪ɥƥμư㡥ƥѥޥۥѤ	Automatic calibration of stereophonic sound system, e.g. with test microphones
H04S   7/00 320 \	2	2	5D162	H04S   7/00	1460	ꥹʡΰ֤ꥹʡθؤΥƥ쥪ɥƥŻŪʣȣӣͥ	Electronic adaptation of stereophonic sound system to listeners' position or orientation (H04S7/00, 310 take precedence)
H04S   7/00 330 \	3	3	5D162	H04S   7/00	1369	ꥹʡΰ֤ꥹʡθ	Tracking of listeners' position or orientation
H04S   7/00 340 \	4	4	5D162	H04S   7/00	327	إåɥۥ	For headphones
H04S   7/00 350 \	2	2	5D162	H04S   7/00	1139	ꥹ˥󥰶֤λĶؤΥƥ쥪ŻŪʣȣӣͥ	electronic processes of stereo for reverberation in listening spaces (H04S7/00, 310 take precedence)
H04S   7/00 360 \	3	3	5D162	H04S   7/00	113	إåɥۥ	For headphones
H04S   7/00 370 \	2	2	5D162	H04S   7/00	470	ȿĴ㡥ȡ󥳥ȥʣȣӣͥ	adjustment of frequencies, e.g. tone control (H04S7/00, 310 take precedence)
H04S   7/00 380 \	2	2	5D162	H04S   7/00	767	ԡ³ޤϥإåɥۥ³˱ŻŪ	Electronic adaptation dependent on speaker or headphone connection
H04S   7/00 400 \	2	2	5D162	H04S   7/00	799	ƥ쥪βĻɽ	Visual indication of stereophonic sound image
