Modeling of the head-related impulse responses
A method (1900) for audio signal filtering. The method includes generating (s1902) a pair of filters for a certain location specified by an elevation angle ϑ and an azimuth angle φ, the pair of filters consisting of a right filter (hr(ϑ,φ)) and a left filter (hl(ϑ, φ)); filtering (s1904) an audio si...
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| creator | Karlsson, Erlendur Zhang, Mengqiu |
| description | A method (1900) for audio signal filtering. The method includes generating (s1902) a pair of filters for a certain location specified by an elevation angle ϑ and an azimuth angle φ, the pair of filters consisting of a right filter (hr(ϑ,φ)) and a left filter (hl(ϑ, φ)); filtering (s1904) an audio signal using the right filter; and filtering (s1906) the audio signal using the left filter. Generating the pair of filters comprises: i) obtaining at least a first set of elevation basis function values at the elevation angle: ii) obtaining at least a first set of azimuth basis function values at the azimuth angle; iii) generating the right filter using: a) at least the first set of elevation basis function values, b) at least the first set of azimuth basis function values, and c) right filter model parameters; and iv) generating the left filter using: a) at least the first set of elevation basis function values, b) at least the first set of azimuth basis function values, and c) left filter model parameters. |
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The method includes generating (s1902) a pair of filters for a certain location specified by an elevation angle ϑ and an azimuth angle φ, the pair of filters consisting of a right filter (hr(ϑ,φ)) and a left filter (hl(ϑ, φ)); filtering (s1904) an audio signal using the right filter; and filtering (s1906) the audio signal using the left filter. Generating the pair of filters comprises: i) obtaining at least a first set of elevation basis function values at the elevation angle: ii) obtaining at least a first set of azimuth basis function values at the azimuth angle; iii) generating the right filter using: a) at least the first set of elevation basis function values, b) at least the first set of azimuth basis function values, and c) right filter model parameters; and iv) generating the left filter using: a) at least the first set of elevation basis function values, b) at least the first set of azimuth basis function values, and c) left filter model parameters.</description><language>eng</language><subject>ACOUSTICS ; DEAF-AID SETS ; ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRICITY ; LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS ; MUSICAL INSTRUMENTS ; PHYSICS ; PUBLIC ADDRESS SYSTEMS ; SPEECH ANALYSIS OR SYNTHESIS ; SPEECH OR AUDIO CODING OR DECODING ; SPEECH OR VOICE PROCESSING ; SPEECH RECOGNITION ; STEREOPHONIC SYSTEMS</subject><creationdate>2024</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20240903&DB=EPODOC&CC=US&NR=12080302B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20240903&DB=EPODOC&CC=US&NR=12080302B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Karlsson, Erlendur</creatorcontrib><creatorcontrib>Zhang, Mengqiu</creatorcontrib><title>Modeling of the head-related impulse responses</title><description>A method (1900) for audio signal filtering. 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The method includes generating (s1902) a pair of filters for a certain location specified by an elevation angle ϑ and an azimuth angle φ, the pair of filters consisting of a right filter (hr(ϑ,φ)) and a left filter (hl(ϑ, φ)); filtering (s1904) an audio signal using the right filter; and filtering (s1906) the audio signal using the left filter. Generating the pair of filters comprises: i) obtaining at least a first set of elevation basis function values at the elevation angle: ii) obtaining at least a first set of azimuth basis function values at the azimuth angle; iii) generating the right filter using: a) at least the first set of elevation basis function values, b) at least the first set of azimuth basis function values, and c) right filter model parameters; and iv) generating the left filter using: a) at least the first set of elevation basis function values, b) at least the first set of azimuth basis function values, and c) left filter model parameters.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ACOUSTICS DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS MUSICAL INSTRUMENTS PHYSICS PUBLIC ADDRESS SYSTEMS SPEECH ANALYSIS OR SYNTHESIS SPEECH OR AUDIO CODING OR DECODING SPEECH OR VOICE PROCESSING SPEECH RECOGNITION STEREOPHONIC SYSTEMS |
| title | Modeling of the head-related impulse responses |
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