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• Head-related_transfer_function abstract "A head-related transfer function (HRTF) is a response that characterizes how an ear receives a sound from a point in space; a pair of HRTFs for two ears can be used to synthesize a binaural sound that seems to come from a particular point in space. It is a transfer function, describing how a sound from a specific point will arrive at the ear (generally at the outer end of the auditory canal). Some consumer home entertainment products designed to reproduce surround sound from stereo (two-speaker) headphones use HRTFs. Some forms of HRTF-processing have also been included in computer software to simulate surround sound playback from loudspeakers.Humans have just two ears, but can locate sounds in three dimensions – in range (distance), in direction above and below, in front and to the rear, as well as to either side. This is possible because the brain, inner ear and the external ears (pinna) work together to make inferences about location. This ability to localize sound sources may have developed in humans and ancestors as an evolutionary necessity, since the eyes can only see a fraction of the world around a viewer, and vision is hampered in darkness, while the ability to localize a sound source works in all directions, to varying accuracy, regardless of the surrounding light.Humans estimate the location of a source by taking cues derived from one ear (monaural cues), and by comparing cues received at both ears (difference cues or binaural cues). Among the difference cues are time differences of arrival and intensity differences. The monaural cues come from the interaction between the sound source and the human anatomy, in which the original source sound is modified before it enters the ear canal for processing by the auditory system. These modifications encode the source location, and may be captured via an impulse response which relates the source location and the ear location. This impulse response is termed the head-related impulse response (HRIR). Convolution of an arbitrary source sound with the HRIR converts the sound to that which would have been heard by the listener if it had been played at the source location, with the listener's ear at the receiver location. HRIRs have been used to produce virtual surround sound. Template:For example?The HRTF is the Fourier transform of HRIR. The HRTF is also sometimes known as the anatomical transfer function (ATF).HRTFs for left and right ear (expressed above as HRIRs) describe the filtering of a sound source (x(t)) before it is perceived at the left and right ears as xL(t) and xR(t), respectively.The HRTF can also be described as the modifications to a sound from a direction in free air to the sound as it arrives at the eardrum. These modifications include the shape of the listener's outer ear, the shape of the listener's head and body, the acoustical characteristics of the space in which the sound is played, and so on. All these characteristics will influence how (or whether) a listener can accurately tell what direction a sound is coming from.".
• Head-related_transfer_function thumbnail HRTF.svg?width=300.
• Head-related_transfer_function wikiPageExternalLink hrtf.html.
• Head-related_transfer_function wikiPageExternalLink tutorial.
• Head-related_transfer_function wikiPageExternalLink index.html.
• Head-related_transfer_function wikiPageExternalLink KEMAR.html.
• Head-related_transfer_function wikiPageExternalLink www.audiogroup.web.fh-koeln.de.
• Head-related_transfer_function wikiPageExternalLink air.
• Head-related_transfer_function wikiPageExternalLink index.php?option=com_content&view=article&id=608:ari-hrtf-database&catid=158:resources-items&Itemid=606&lang=en.
• Head-related_transfer_function wikiPageID "161005".
• Head-related_transfer_function wikiPageLength "18945".
• Head-related_transfer_function wikiPageOutDegree "62".
• Head-related_transfer_function wikiPageRevisionID "698074155".
• Head-related_transfer_function wikiPageWikiLink A3D.
• Head-related_transfer_function wikiPageWikiLink Anechoic_chamber.
• Head-related_transfer_function wikiPageWikiLink Auditory_system.
• Head-related_transfer_function wikiPageWikiLink Auricle_(anatomy).
• Head-related_transfer_function wikiPageWikiLink Binaural_recording.
• Head-related_transfer_function wikiPageWikiLink Category:Acoustics.
• Head-related_transfer_function wikiPageWikiLink Category:Control_theory.
• Head-related_transfer_function wikiPageWikiLink Category:Electrical_circuits.
• Head-related_transfer_function wikiPageWikiLink Category:Signal_processing.
• Head-related_transfer_function wikiPageWikiLink Convolution.
• Head-related_transfer_function wikiPageWikiLink Diffraction.
• Head-related_transfer_function wikiPageWikiLink Dummy_head_recording.
• Head-related_transfer_function wikiPageWikiLink Ear.
• Head-related_transfer_function wikiPageWikiLink Ear_canal.
• Head-related_transfer_function wikiPageWikiLink Eardrum.
• Head-related_transfer_function wikiPageWikiLink Elevation.
• Head-related_transfer_function wikiPageWikiLink Environmental_Audio_Extensions.
• Head-related_transfer_function wikiPageWikiLink Fourier_transform.
• Head-related_transfer_function wikiPageWikiLink Frequency.
• Head-related_transfer_function wikiPageWikiLink Frequency_domain.
• Head-related_transfer_function wikiPageWikiLink Human_head.
• Head-related_transfer_function wikiPageWikiLink Impulse_response.
• Head-related_transfer_function wikiPageWikiLink Interaural_time_difference.
• Head-related_transfer_function wikiPageWikiLink Interpolation.
• Head-related_transfer_function wikiPageWikiLink Lasso_(statistics).
• Head-related_transfer_function wikiPageWikiLink Maximum_length_sequence.
• Head-related_transfer_function wikiPageWikiLink Near_and_far_field.
• Head-related_transfer_function wikiPageWikiLink Nyquist_rate.
• Head-related_transfer_function wikiPageWikiLink OpenAL.
• Head-related_transfer_function wikiPageWikiLink Reflection_(physics).
• Head-related_transfer_function wikiPageWikiLink Reverberation.
• Head-related_transfer_function wikiPageWikiLink Sensaura.
• Head-related_transfer_function wikiPageWikiLink Signal-to-noise_ratio.
• Head-related_transfer_function wikiPageWikiLink Sine.
• Head-related_transfer_function wikiPageWikiLink Sound.
• Head-related_transfer_function wikiPageWikiLink Sound_Retrieval_System.
• Head-related_transfer_function wikiPageWikiLink Sound_localization.
• Head-related_transfer_function wikiPageWikiLink Soundbar.
• Head-related_transfer_function wikiPageWikiLink Spherical_coordinate_system.
• Head-related_transfer_function wikiPageWikiLink Time-invariant_system.
• Head-related_transfer_function wikiPageWikiLink Torso.
• Head-related_transfer_function wikiPageWikiLink Transduction_(physiology).
• Head-related_transfer_function wikiPageWikiLink Transfer_function.
• Head-related_transfer_function wikiPageWikiLink File:HRTF.svg.
• Head-related_transfer_function wikiPageWikiLinkText "HRTF".
• Head-related_transfer_function wikiPageWikiLinkText "Head-related transfer function".
• Head-related_transfer_function wikiPageWikiLinkText "Head-related_transfer_function".
• Head-related_transfer_function wikiPageWikiLinkText "head-related transfer function".
• Head-related_transfer_function align "right".
• Head-related_transfer_function caption "A sample of frequency response of ears: * green curve: left ear XL * blue curve: right ear XR for a sound source from upward front.".
• Head-related_transfer_function caption "An example of how the HRTF tilt with azimuth taken from a point of reference is derived".
• Head-related_transfer_function image "FreqHRTF.jpg".
• Head-related_transfer_function image "HRTFazimuth.png".
• Head-related_transfer_function width "260".
• Head-related_transfer_function wikiPageUsesTemplate Template:Citation_needed.
• Head-related_transfer_function wikiPageUsesTemplate Template:Context.
• Head-related_transfer_function wikiPageUsesTemplate Template:For_example%3F.
• Head-related_transfer_function wikiPageUsesTemplate Template:Multiple_image.
• Head-related_transfer_function wikiPageUsesTemplate Template:Reflist.
• Head-related_transfer_function wikiPageUsesTemplate Template:Sub.
• Head-related_transfer_function wikiPageUsesTemplate Template:Sup.
• Head-related_transfer_function subject Category:Acoustics.
• Head-related_transfer_function subject Category:Control_theory.
• Head-related_transfer_function subject Category:Electrical_circuits.
• Head-related_transfer_function subject Category:Signal_processing.
• Head-related_transfer_function hypernym Response.
• Head-related_transfer_function type Disease.
• Head-related_transfer_function type Acoustic.
• Head-related_transfer_function type Dynamic.
• Head-related_transfer_function type Field.
• Head-related_transfer_function type Page.
• Head-related_transfer_function type Redirect.
• Head-related_transfer_function comment "A head-related transfer function (HRTF) is a response that characterizes how an ear receives a sound from a point in space; a pair of HRTFs for two ears can be used to synthesize a binaural sound that seems to come from a particular point in space. It is a transfer function, describing how a sound from a specific point will arrive at the ear (generally at the outer end of the auditory canal).".
• Head-related_transfer_function label "Head-related transfer function".
• Head-related_transfer_function sameAs Q1432854.
• Head-related_transfer_function sameAs Category:Head-related_transfer_function.
• Head-related_transfer_function sameAs Head-Related_Transfer_Function.
• Head-related_transfer_function sameAs Hrtf.
• Head-related_transfer_function sameAs 頭部伝達関数.
• Head-related_transfer_function sameAs 머리전달함수.
• Head-related_transfer_function sameAs m.0159ng.
• Head-related_transfer_function sameAs Q1432854.
• Head-related_transfer_function sameAs 头部相关传输函数.
• Head-related_transfer_function wasDerivedFrom Head-related_transfer_function?oldid=698074155.
• Head-related_transfer_function depiction HRTF.svg.
• Head-related_transfer_function isPrimaryTopicOf Head-related_transfer_function.