Evaluation of the Relationship Between the Air–Bone Gap and
... results [4, 11, 13]. In order to minimize the effects of age on ABR wave morphology, adults aged between 19 and 55 years with mixed-type hearing loss were included in this study. This study was conducted without gender distinction in healthy volunteers using a constant intensity and stimulus repeat ...
... results [4, 11, 13]. In order to minimize the effects of age on ABR wave morphology, adults aged between 19 and 55 years with mixed-type hearing loss were included in this study. This study was conducted without gender distinction in healthy volunteers using a constant intensity and stimulus repeat ...
Improving Initial Sound Segmentation Skills of
... Improving Initial Sound Segmentation Skills of Preschool Children with Severe to Profound Hearing Loss: An ...
... Improving Initial Sound Segmentation Skills of Preschool Children with Severe to Profound Hearing Loss: An ...
Standard and Multifrequency Tympanometry in Normal and
... resonant frequency has now been implemented in a commercial device, the Grason-Stadler middle ear analyzer (GSI model 33, version 2). Their custom instrument plots the difference in sound pressure and phase angle between 0 daPa and -200 daPa, whereas the GSI-33 plots the difference between susceptan ...
... resonant frequency has now been implemented in a commercial device, the Grason-Stadler middle ear analyzer (GSI model 33, version 2). Their custom instrument plots the difference in sound pressure and phase angle between 0 daPa and -200 daPa, whereas the GSI-33 plots the difference between susceptan ...
A Proven Natural Pathway to Better Hearing
... patients with inadequate bone quality or quantity to provide stability and support for the implant, or in patients who will be unable to maintain and clean the skin around the abutment. In the U.S., use of the implanted fixture is also contraindicated in children ...
... patients with inadequate bone quality or quantity to provide stability and support for the implant, or in patients who will be unable to maintain and clean the skin around the abutment. In the U.S., use of the implanted fixture is also contraindicated in children ...
Finite Element Dynamics of Human Ear System Comprising Middle
... system. The use of structural damping coefficient of G = 0.4 can make the displacement constant at the frequency less than 1000 [Hz]. However, the value of G = 0.4 makes the displacement very large in 1500 [Hz] and more. Therefore, the frequency response analyses using five kinds of structural dampi ...
... system. The use of structural damping coefficient of G = 0.4 can make the displacement constant at the frequency less than 1000 [Hz]. However, the value of G = 0.4 makes the displacement very large in 1500 [Hz] and more. Therefore, the frequency response analyses using five kinds of structural dampi ...
Rinne test: does the tuning fork position affect the sound amplitude
... Background: Guidelines and text-book descriptions of the Rinne test advise orienting the tuning fork tines in parallel with the longitudinal axis of the external auditory canal (EAC), presumably to maximise the amplitude of the air conducted sound signal at the ear. Whether the orientation of the tu ...
... Background: Guidelines and text-book descriptions of the Rinne test advise orienting the tuning fork tines in parallel with the longitudinal axis of the external auditory canal (EAC), presumably to maximise the amplitude of the air conducted sound signal at the ear. Whether the orientation of the tu ...
Differences in otoacoustic emissions in infants and adults with
... Abstract. Objective: Otoacoustic emissions (OAE) are widely used as a noninvasive technique as the test can provide a glimpse into the human cochlea during the earliest segments of perinatal and postnatal life. Although the cochlea is structurally and functionally adult-like by term birth, both tran ...
... Abstract. Objective: Otoacoustic emissions (OAE) are widely used as a noninvasive technique as the test can provide a glimpse into the human cochlea during the earliest segments of perinatal and postnatal life. Although the cochlea is structurally and functionally adult-like by term birth, both tran ...
5 Neural Coding of Sound with Cochlear Damage
... sound representations (Syka, 2002). These central changes may underlie phenomena like tinnitus, a phantom percept of sound (see Kaltenbach chapter 8 in this volume), but they may also contribute to a variety of other perceptual deficits. ...
... sound representations (Syka, 2002). These central changes may underlie phenomena like tinnitus, a phantom percept of sound (see Kaltenbach chapter 8 in this volume), but they may also contribute to a variety of other perceptual deficits. ...
REVIEW OF POLICE USE OF LONG
... were found primarily within military and law enforcement literature and included LRAD-specific documents, other acoustic device/weapon research and general material on less lethal weapons and related technology. Some of the research on acoustic hailing devices discusses their use within the broader ...
... were found primarily within military and law enforcement literature and included LRAD-specific documents, other acoustic device/weapon research and general material on less lethal weapons and related technology. Some of the research on acoustic hailing devices discusses their use within the broader ...
Jan01: INTRAOPERATIVE ASSESSMENT OF STAPES MOVEMENT
... and underestimated at higher frequencies by some decibels because of the lowered stiffening effect of the middle ear cavity. This effect adds to the difference between live human subject and TB experiments. On the other hand, the results from both the TB preparations and live humans are not angle-co ...
... and underestimated at higher frequencies by some decibels because of the lowered stiffening effect of the middle ear cavity. This effect adds to the difference between live human subject and TB experiments. On the other hand, the results from both the TB preparations and live humans are not angle-co ...
Overview and Rationale for Prescriptive Formulas for Linear and
... hearing aids. For example, the speech presentation levels judged to be “soft,” “comfortable,” and “loud” by normal hearing individuals also should be judged “soft,” “comfortable,” and “loud” by the hearing aid wearer. In addition, the normal relative loudness across frequency bands in a complex sign ...
... hearing aids. For example, the speech presentation levels judged to be “soft,” “comfortable,” and “loud” by normal hearing individuals also should be judged “soft,” “comfortable,” and “loud” by the hearing aid wearer. In addition, the normal relative loudness across frequency bands in a complex sign ...
How Does Closure of Tympanic Membrane Perforations
... daily life. Furthermore, when the TM perforation is combined with additional middle-ear infections, it is difficult to determine how much of the total CHL is due to the TM perforation alone. Previous theoretical (3), experimental (4,5) and clinical (6,7) data have shown that CHL due to TM perforatio ...
... daily life. Furthermore, when the TM perforation is combined with additional middle-ear infections, it is difficult to determine how much of the total CHL is due to the TM perforation alone. Previous theoretical (3), experimental (4,5) and clinical (6,7) data have shown that CHL due to TM perforatio ...
Estimating the Audiogram Using Multiple Auditory Steady
... varying the relative phases between the maximum AM and maximum FM will alter the frequency spectra . For example, when the maximum amplitude of the AM and maximum FM frequency occur at the same time (i .e ., 6 = 0 degrees), the peak of the spectra skews toward higher frequencies . Conversely, when m ...
... varying the relative phases between the maximum AM and maximum FM will alter the frequency spectra . For example, when the maximum amplitude of the AM and maximum FM frequency occur at the same time (i .e ., 6 = 0 degrees), the peak of the spectra skews toward higher frequencies . Conversely, when m ...
The perceptual consequences of binaural hearing
... upon understanding the nature of narrowband signals. The effective bandwidth of auditory peripheral filtering increases roughly proportionally with the center frequency of the channel, so that low-frequency channels have a narrow bandwidth (in Hz) compared to high-frequency channels. The impact of p ...
... upon understanding the nature of narrowband signals. The effective bandwidth of auditory peripheral filtering increases roughly proportionally with the center frequency of the channel, so that low-frequency channels have a narrow bandwidth (in Hz) compared to high-frequency channels. The impact of p ...
Samuel Duarte Quest Academy Dacono, Colorado 80514
... pressure levels, is the Decibel (dB), named for Alexander Graham Bell. It is used not only as a measurement of sound but also of in electronics and optics. A decibel is a logarithmic unit which is well related to human perception of sound and allows for effective representation of a large range of n ...
... pressure levels, is the Decibel (dB), named for Alexander Graham Bell. It is used not only as a measurement of sound but also of in electronics and optics. A decibel is a logarithmic unit which is well related to human perception of sound and allows for effective representation of a large range of n ...
The Oticon Approach to Care of the Tinnitus Patient
... approach where one of the cornerstones is that therapy sounds must not be annoying, attract attention, or induce a negative reaction. Broadband sounds have the advantage of being stationary and neutral. They have historically been used for complete masking (Vernon, ...
... approach where one of the cornerstones is that therapy sounds must not be annoying, attract attention, or induce a negative reaction. Broadband sounds have the advantage of being stationary and neutral. They have historically been used for complete masking (Vernon, ...
Perceptual model for assessment of coded audio
... In this thesis, a time-domain binaural auditory model is developed for the assessment of high quality coded audio signals. Traditional objective measurements of sound quality yield misleading results when applied to psychoacoustic based codecs. Whilst human subjective opinion must be the ultimate ar ...
... In this thesis, a time-domain binaural auditory model is developed for the assessment of high quality coded audio signals. Traditional objective measurements of sound quality yield misleading results when applied to psychoacoustic based codecs. Whilst human subjective opinion must be the ultimate ar ...
The Effect of Stimulus Bandwidth on Perception of Fricative /s
... used as a cue to distinguish the fricatives from one another. Although the primary interest of this study was the perception of /s/, it was necessary to provide subjects with alternative stimuli that would confuse the client and reduce practice and order-effect. Hence other phonemes /f/, /ṣ / and /c ...
... used as a cue to distinguish the fricatives from one another. Although the primary interest of this study was the perception of /s/, it was necessary to provide subjects with alternative stimuli that would confuse the client and reduce practice and order-effect. Hence other phonemes /f/, /ṣ / and /c ...
supplemental material
... was defined as the lowest sound intensity at which the peak of the ASSR was greater than the background noise (see above) by two standard deviations. ...
... was defined as the lowest sound intensity at which the peak of the ASSR was greater than the background noise (see above) by two standard deviations. ...
Measuring the Real-Ear to Coupler Difference Transfer Function
... study: (1) a foam ear-tip; (2) a personal earmold with the same length of acoustic tubing as the foam ear-tip (25 mm); and (3) the same personal earmold with the appropriate length of tubing for a behindthe ear (BTE) fitting (approximately 45 mm). The results showed that there was a significant diff ...
... study: (1) a foam ear-tip; (2) a personal earmold with the same length of acoustic tubing as the foam ear-tip (25 mm); and (3) the same personal earmold with the appropriate length of tubing for a behindthe ear (BTE) fitting (approximately 45 mm). The results showed that there was a significant diff ...
Listening with two ears instead of one
... The “better-ear” effect Likely the most important cue that listeners use to enhance hearing in noisy situations is the monaural cue arising because of the better-ear effect (Zurek, 1993). When target and masker signals are produced from different locations, there is a resulting SNR advantage at one ...
... The “better-ear” effect Likely the most important cue that listeners use to enhance hearing in noisy situations is the monaural cue arising because of the better-ear effect (Zurek, 1993). When target and masker signals are produced from different locations, there is a resulting SNR advantage at one ...
Treatments for Decreased Sound Tolerance
... depend only on its physical characteristics (i.e., its spectrum and intensity). The sound’s meaning and the context in which it occurs are irrelevant. In turn, this implies that the mechanisms responsible for the emergence of hyperacusis are within the subconscious part of the auditory pathways.2,4, ...
... depend only on its physical characteristics (i.e., its spectrum and intensity). The sound’s meaning and the context in which it occurs are irrelevant. In turn, this implies that the mechanisms responsible for the emergence of hyperacusis are within the subconscious part of the auditory pathways.2,4, ...
Sound Pressure Level of the Steyr AUG Rifle
... Charge mode amplifiers are preferable for piezoelectric transducers with weak signal levels. However, impulsive signals from explosive sources at close range are loud and a cheaper voltage amplifier would probably suffice. These are also less susceptible to noise, particularly from unintended cable ...
... Charge mode amplifiers are preferable for piezoelectric transducers with weak signal levels. However, impulsive signals from explosive sources at close range are loud and a cheaper voltage amplifier would probably suffice. These are also less susceptible to noise, particularly from unintended cable ...
Full text - Acta Palaeontologica Polonica
... Permian anomodont Kawingasaurus fossilis, which is interpreted as having adaptation to seismic sound detection (Laaß 2014) as in the Cretaceous multituberculates Catopsalis and Meniscoessus (Luo and Ketten 1991), the Paleocene multituberculate Lambdopsalis bulla (Miao 1988) and possibly also other m ...
... Permian anomodont Kawingasaurus fossilis, which is interpreted as having adaptation to seismic sound detection (Laaß 2014) as in the Cretaceous multituberculates Catopsalis and Meniscoessus (Luo and Ketten 1991), the Paleocene multituberculate Lambdopsalis bulla (Miao 1988) and possibly also other m ...
THE Art OF SOUND
... the degree of noise that is present in the sound. It is also important that there is no distortion, and that no noises are generated which were not present in the original sound picture. So yes, good sound is largely a matter of taste, but not entirely,” says Lars. Such considerations are taken into ...
... the degree of noise that is present in the sound. It is also important that there is no distortion, and that no noises are generated which were not present in the original sound picture. So yes, good sound is largely a matter of taste, but not entirely,” says Lars. Such considerations are taken into ...