CPC Main Group Additional Only
H04R 2205/00 Details of stereophonic arrangements covered by H04R5/00 but not provided for in any of its subgroups
5 direct subcodes
Child Classifications
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- H04R 2205/021 Aspects relating to docking-station type assemblies to obtain an acoustical effect, e.g. the type of connection to external loudspeakers or housings, frequency improvement
- H04R 2205/022 Plurality of transducers corresponding to a plurality of sound channels in each earpiece of headphones or in a single enclosure
- H04R 2205/024 Positioning of loudspeaker enclosures for spatial sound reproduction
- H04R 2205/026 Single (sub)woofer with two or more satellite loudspeakers for mid- and high-frequency band reproduction driven via the (sub)woofer
- H04R 2205/041 Adaptation of stereophonic signal reproduction for the hearing impaired