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db spl  (Oticon Inc)
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Oticon Inc db spl
Db Spl, supplied by Oticon Inc, used in various techniques. Bioz Stars score: 86/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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db spl  (Tucker-Davis Tech)
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A , B DPOAE longitudinally recorded in Klhdc7b Regn+/+ , Klhdc7b Regn +/Δ and Klhdc7b Regn Δ/Δ mice. A Input-output curves of DPOAE signal vs. primary stimulus intensity at 2 and 12 weeks for 16 kHz. B DPOAE thresholds over time at three frequencies. n = 4–9 mice per group. C DPOAEs recorded in Klhdc7b IMPC+/+ , Klhdc7b IMPC+/- , and Klhdc7b IMPC-/- mice plotted against frequency. The stimul i were presented in 2 kHz intervals at 65/55 <t>dB</t> <t>SPL</t> for the f1 and f2 tones, respectively. For A – C data were analyzed via two-way ANOVA followed by Tukey’s test ( B , 8 kHz) or unpaired t tests ( C ). If data failed normality ( A , B 8 kHz and 16 kHz) testing they were analyzed via Mann–Whitney tests. *p < 0.05, **p < 0.01, ***p < 0.001, ****p < 0.0001 between knockout ( Klhdc7b Regn Δ/Δ , Klhdc7b IMPC-/- ) and wild type ( Klhdc7b Regn+/+ , Klhdc7b IMPC+/+ ) mice. + p < 0.05, ++ p < 0.01, +++ p < 0.001, ++ ++ p < 0.0001 between knockout and heterozygous ( Klhdc7b Regn +/Δ , Klhdc7b IMPC+/- ) mice. Thicker lines indicate means, thin lines individual mice, and shaded areas between dotted lines are 95% confidence intervals.
Db Spl, supplied by Tucker-Davis Tech, used in various techniques. Bioz Stars score: 86/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
https://www.bioz.com/product/db+spl/db+spl/pmc12820229-418-25-7
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75 db spl  (Logitech Inc)
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Logitech Inc 75 db spl
A , B DPOAE longitudinally recorded in Klhdc7b Regn+/+ , Klhdc7b Regn +/Δ and Klhdc7b Regn Δ/Δ mice. A Input-output curves of DPOAE signal vs. primary stimulus intensity at 2 and 12 weeks for 16 kHz. B DPOAE thresholds over time at three frequencies. n = 4–9 mice per group. C DPOAEs recorded in Klhdc7b IMPC+/+ , Klhdc7b IMPC+/- , and Klhdc7b IMPC-/- mice plotted against frequency. The stimul i were presented in 2 kHz intervals at 65/55 <t>dB</t> <t>SPL</t> for the f1 and f2 tones, respectively. For A – C data were analyzed via two-way ANOVA followed by Tukey’s test ( B , 8 kHz) or unpaired t tests ( C ). If data failed normality ( A , B 8 kHz and 16 kHz) testing they were analyzed via Mann–Whitney tests. *p < 0.05, **p < 0.01, ***p < 0.001, ****p < 0.0001 between knockout ( Klhdc7b Regn Δ/Δ , Klhdc7b IMPC-/- ) and wild type ( Klhdc7b Regn+/+ , Klhdc7b IMPC+/+ ) mice. + p < 0.05, ++ p < 0.01, +++ p < 0.001, ++ ++ p < 0.0001 between knockout and heterozygous ( Klhdc7b Regn +/Δ , Klhdc7b IMPC+/- ) mice. Thicker lines indicate means, thin lines individual mice, and shaded areas between dotted lines are 95% confidence intervals.
75 Db Spl, supplied by Logitech Inc, used in various techniques. Bioz Stars score: 86/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
https://www.bioz.com/product/db+spl/75+db+spl/bio_rxiv__2025__11__11__687884-214-5-13
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stimulus 106 db spl  (Tucker-Davis Tech)
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Tucker-Davis Tech stimulus 106 db spl
A , B DPOAE longitudinally recorded in Klhdc7b Regn+/+ , Klhdc7b Regn +/Δ and Klhdc7b Regn Δ/Δ mice. A Input-output curves of DPOAE signal vs. primary stimulus intensity at 2 and 12 weeks for 16 kHz. B DPOAE thresholds over time at three frequencies. n = 4–9 mice per group. C DPOAEs recorded in Klhdc7b IMPC+/+ , Klhdc7b IMPC+/- , and Klhdc7b IMPC-/- mice plotted against frequency. The stimul i were presented in 2 kHz intervals at 65/55 <t>dB</t> <t>SPL</t> for the f1 and f2 tones, respectively. For A – C data were analyzed via two-way ANOVA followed by Tukey’s test ( B , 8 kHz) or unpaired t tests ( C ). If data failed normality ( A , B 8 kHz and 16 kHz) testing they were analyzed via Mann–Whitney tests. *p < 0.05, **p < 0.01, ***p < 0.001, ****p < 0.0001 between knockout ( Klhdc7b Regn Δ/Δ , Klhdc7b IMPC-/- ) and wild type ( Klhdc7b Regn+/+ , Klhdc7b IMPC+/+ ) mice. + p < 0.05, ++ p < 0.01, +++ p < 0.001, ++ ++ p < 0.0001 between knockout and heterozygous ( Klhdc7b Regn +/Δ , Klhdc7b IMPC+/- ) mice. Thicker lines indicate means, thin lines individual mice, and shaded areas between dotted lines are 95% confidence intervals.
Stimulus 106 Db Spl, supplied by Tucker-Davis Tech, used in various techniques. Bioz Stars score: 86/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
https://www.bioz.com/product/db+spl/db+spl/bio_rxiv__2025__10__13__682100-63-30-3
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stimulus 106 db spl - by Bioz Stars, 2026-09
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mdr-v150 headphones (65 db spl rms)  (Sony)
90
Sony mdr-v150 headphones (65 db spl rms)
A , B DPOAE longitudinally recorded in Klhdc7b Regn+/+ , Klhdc7b Regn +/Δ and Klhdc7b Regn Δ/Δ mice. A Input-output curves of DPOAE signal vs. primary stimulus intensity at 2 and 12 weeks for 16 kHz. B DPOAE thresholds over time at three frequencies. n = 4–9 mice per group. C DPOAEs recorded in Klhdc7b IMPC+/+ , Klhdc7b IMPC+/- , and Klhdc7b IMPC-/- mice plotted against frequency. The stimul i were presented in 2 kHz intervals at 65/55 <t>dB</t> <t>SPL</t> for the f1 and f2 tones, respectively. For A – C data were analyzed via two-way ANOVA followed by Tukey’s test ( B , 8 kHz) or unpaired t tests ( C ). If data failed normality ( A , B 8 kHz and 16 kHz) testing they were analyzed via Mann–Whitney tests. *p < 0.05, **p < 0.01, ***p < 0.001, ****p < 0.0001 between knockout ( Klhdc7b Regn Δ/Δ , Klhdc7b IMPC-/- ) and wild type ( Klhdc7b Regn+/+ , Klhdc7b IMPC+/+ ) mice. + p < 0.05, ++ p < 0.01, +++ p < 0.001, ++ ++ p < 0.0001 between knockout and heterozygous ( Klhdc7b Regn +/Δ , Klhdc7b IMPC+/- ) mice. Thicker lines indicate means, thin lines individual mice, and shaded areas between dotted lines are 95% confidence intervals.
Mdr V150 Headphones (65 Db Spl Rms), supplied by Sony, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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70 db spl noise with 80db speech  (AZBIO CORP)
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AZBIO CORP 70 db spl noise with 80db speech
A , B DPOAE longitudinally recorded in Klhdc7b Regn+/+ , Klhdc7b Regn +/Δ and Klhdc7b Regn Δ/Δ mice. A Input-output curves of DPOAE signal vs. primary stimulus intensity at 2 and 12 weeks for 16 kHz. B DPOAE thresholds over time at three frequencies. n = 4–9 mice per group. C DPOAEs recorded in Klhdc7b IMPC+/+ , Klhdc7b IMPC+/- , and Klhdc7b IMPC-/- mice plotted against frequency. The stimul i were presented in 2 kHz intervals at 65/55 <t>dB</t> <t>SPL</t> for the f1 and f2 tones, respectively. For A – C data were analyzed via two-way ANOVA followed by Tukey’s test ( B , 8 kHz) or unpaired t tests ( C ). If data failed normality ( A , B 8 kHz and 16 kHz) testing they were analyzed via Mann–Whitney tests. *p < 0.05, **p < 0.01, ***p < 0.001, ****p < 0.0001 between knockout ( Klhdc7b Regn Δ/Δ , Klhdc7b IMPC-/- ) and wild type ( Klhdc7b Regn+/+ , Klhdc7b IMPC+/+ ) mice. + p < 0.05, ++ p < 0.01, +++ p < 0.001, ++ ++ p < 0.0001 between knockout and heterozygous ( Klhdc7b Regn +/Δ , Klhdc7b IMPC+/- ) mice. Thicker lines indicate means, thin lines individual mice, and shaded areas between dotted lines are 95% confidence intervals.
70 Db Spl Noise With 80db Speech, supplied by AZBIO CORP, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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85 db sound pressure level (spl)  (Grason Stadler)
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Grason Stadler 85 db sound pressure level (spl)
Data were obtained in the left ear of the example subject. The ART was elicited by an ipsilateral 1000-Hz activator and recorded at ambient pressure. Each line represents the change in absorbance of the probe across frequency in Hz at a given activator level in dB sound pressure level <t>(SPL).</t> A total of six activator trials was required to establish ART. The first ascending run is represented by dashed lines and the second by solid lines. The test began at 80-dB SPL at which level the criteria for a reflex response were not met. The level was increased 5 dB to 85 dB SPL at which the criteria for a reflex response were not met again, and the level was increased to 90 dB SPL at which the criteria for a reflex were obtained. The level decreased to 80 dB SPL and level was increased in 5-dB steps again until a reflex response was obtained. The automated procedure terminated when a reflex response was obtained at 90 dB SPL on two ascending runs.
85 Db Sound Pressure Level (Spl), supplied by Grason Stadler, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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1 khz, 94 db spl certified speaker (type 4231, bruel & kjaer)  (Bruel Kjaer GmbH)
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Bruel Kjaer GmbH 1 khz, 94 db spl certified speaker (type 4231, bruel & kjaer)
Data were obtained in the left ear of the example subject. The ART was elicited by an ipsilateral 1000-Hz activator and recorded at ambient pressure. Each line represents the change in absorbance of the probe across frequency in Hz at a given activator level in dB sound pressure level <t>(SPL).</t> A total of six activator trials was required to establish ART. The first ascending run is represented by dashed lines and the second by solid lines. The test began at 80-dB SPL at which level the criteria for a reflex response were not met. The level was increased 5 dB to 85 dB SPL at which the criteria for a reflex response were not met again, and the level was increased to 90 dB SPL at which the criteria for a reflex were obtained. The level decreased to 80 dB SPL and level was increased in 5-dB steps again until a reflex response was obtained. The automated procedure terminated when a reflex response was obtained at 90 dB SPL on two ascending runs.
1 Khz, 94 Db Spl Certified Speaker (Type 4231, Bruel & Kjaer), supplied by Bruel Kjaer GmbH, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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a reference 1 khz, 94 db spl certified speaker (type 4231, bruel & kjaer)  (Bruel Kjaer GmbH)
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Bruel Kjaer GmbH a reference 1 khz, 94 db spl certified speaker (type 4231, bruel & kjaer)
Data were obtained in the left ear of the example subject. The ART was elicited by an ipsilateral 1000-Hz activator and recorded at ambient pressure. Each line represents the change in absorbance of the probe across frequency in Hz at a given activator level in dB sound pressure level <t>(SPL).</t> A total of six activator trials was required to establish ART. The first ascending run is represented by dashed lines and the second by solid lines. The test began at 80-dB SPL at which level the criteria for a reflex response were not met. The level was increased 5 dB to 85 dB SPL at which the criteria for a reflex response were not met again, and the level was increased to 90 dB SPL at which the criteria for a reflex were obtained. The level decreased to 80 dB SPL and level was increased in 5-dB steps again until a reflex response was obtained. The automated procedure terminated when a reflex response was obtained at 90 dB SPL on two ascending runs.
A Reference 1 Khz, 94 Db Spl Certified Speaker (Type 4231, Bruel & Kjaer), supplied by Bruel Kjaer GmbH, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
https://www.bioz.com/product/db+spl/1+khz++94+db+spl+certified+speaker++type+4231++bruel+++kjaer+/pm33575914-59-14-24
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Image Search Results


A , B DPOAE longitudinally recorded in Klhdc7b Regn+/+ , Klhdc7b Regn +/Δ and Klhdc7b Regn Δ/Δ mice. A Input-output curves of DPOAE signal vs. primary stimulus intensity at 2 and 12 weeks for 16 kHz. B DPOAE thresholds over time at three frequencies. n = 4–9 mice per group. C DPOAEs recorded in Klhdc7b IMPC+/+ , Klhdc7b IMPC+/- , and Klhdc7b IMPC-/- mice plotted against frequency. The stimul i were presented in 2 kHz intervals at 65/55 dB SPL for the f1 and f2 tones, respectively. For A – C data were analyzed via two-way ANOVA followed by Tukey’s test ( B , 8 kHz) or unpaired t tests ( C ). If data failed normality ( A , B 8 kHz and 16 kHz) testing they were analyzed via Mann–Whitney tests. *p < 0.05, **p < 0.01, ***p < 0.001, ****p < 0.0001 between knockout ( Klhdc7b Regn Δ/Δ , Klhdc7b IMPC-/- ) and wild type ( Klhdc7b Regn+/+ , Klhdc7b IMPC+/+ ) mice. + p < 0.05, ++ p < 0.01, +++ p < 0.001, ++ ++ p < 0.0001 between knockout and heterozygous ( Klhdc7b Regn +/Δ , Klhdc7b IMPC+/- ) mice. Thicker lines indicate means, thin lines individual mice, and shaded areas between dotted lines are 95% confidence intervals.

Journal: Communications Biology

Article Title: Cross-species validation of a human age-related hearing loss candidate KLHDC7B as essential for mammalian hearing

doi: 10.1038/s42003-025-09349-1

Figure Lengend Snippet: A , B DPOAE longitudinally recorded in Klhdc7b Regn+/+ , Klhdc7b Regn +/Δ and Klhdc7b Regn Δ/Δ mice. A Input-output curves of DPOAE signal vs. primary stimulus intensity at 2 and 12 weeks for 16 kHz. B DPOAE thresholds over time at three frequencies. n = 4–9 mice per group. C DPOAEs recorded in Klhdc7b IMPC+/+ , Klhdc7b IMPC+/- , and Klhdc7b IMPC-/- mice plotted against frequency. The stimul i were presented in 2 kHz intervals at 65/55 dB SPL for the f1 and f2 tones, respectively. For A – C data were analyzed via two-way ANOVA followed by Tukey’s test ( B , 8 kHz) or unpaired t tests ( C ). If data failed normality ( A , B 8 kHz and 16 kHz) testing they were analyzed via Mann–Whitney tests. *p < 0.05, **p < 0.01, ***p < 0.001, ****p < 0.0001 between knockout ( Klhdc7b Regn Δ/Δ , Klhdc7b IMPC-/- ) and wild type ( Klhdc7b Regn+/+ , Klhdc7b IMPC+/+ ) mice. + p < 0.05, ++ p < 0.01, +++ p < 0.001, ++ ++ p < 0.0001 between knockout and heterozygous ( Klhdc7b Regn +/Δ , Klhdc7b IMPC+/- ) mice. Thicker lines indicate means, thin lines individual mice, and shaded areas between dotted lines are 95% confidence intervals.

Article Snippet: Tone stimuli were presented via separate MF1 (Tucker Davis Technology) speakers, with f1 and f2 at a ratio of f2/f1 = 1.2 (L1 = 65 dB SPL, L2 = 55 dB SPL), centered around the probing frequencies.

Techniques: MANN-WHITNEY, Knock-Out

Data were obtained in the left ear of the example subject. The ART was elicited by an ipsilateral 1000-Hz activator and recorded at ambient pressure. Each line represents the change in absorbance of the probe across frequency in Hz at a given activator level in dB sound pressure level (SPL). A total of six activator trials was required to establish ART. The first ascending run is represented by dashed lines and the second by solid lines. The test began at 80-dB SPL at which level the criteria for a reflex response were not met. The level was increased 5 dB to 85 dB SPL at which the criteria for a reflex response were not met again, and the level was increased to 90 dB SPL at which the criteria for a reflex were obtained. The level decreased to 80 dB SPL and level was increased in 5-dB steps again until a reflex response was obtained. The automated procedure terminated when a reflex response was obtained at 90 dB SPL on two ascending runs.

Journal: Ear and hearing

Article Title: Automated Adaptive Wideband Acoustic Reflex Threshold Estimation in Normal Hearing Adults

doi: 10.1097/AUD.0000000000001102

Figure Lengend Snippet: Data were obtained in the left ear of the example subject. The ART was elicited by an ipsilateral 1000-Hz activator and recorded at ambient pressure. Each line represents the change in absorbance of the probe across frequency in Hz at a given activator level in dB sound pressure level (SPL). A total of six activator trials was required to establish ART. The first ascending run is represented by dashed lines and the second by solid lines. The test began at 80-dB SPL at which level the criteria for a reflex response were not met. The level was increased 5 dB to 85 dB SPL at which the criteria for a reflex response were not met again, and the level was increased to 90 dB SPL at which the criteria for a reflex were obtained. The level decreased to 80 dB SPL and level was increased in 5-dB steps again until a reflex response was obtained. The automated procedure terminated when a reflex response was obtained at 90 dB SPL on two ascending runs.

Article Snippet: Traditional ARTs were obtained with an 85 dB sound pressure level (SPL), 226-Hz probe tone ( Grason-Stadler, Inc. [GSI], 2005 ; 2011 ) using a GSI Tympstar version 2 (GSI, Eden Prairie, MN).

Techniques:

Mean acoustic reflex threshold (ART) in dB sound pressure level (SPL) by gender in each condition.

Journal: Ear and hearing

Article Title: Automated Adaptive Wideband Acoustic Reflex Threshold Estimation in Normal Hearing Adults

doi: 10.1097/AUD.0000000000001102

Figure Lengend Snippet: Mean acoustic reflex threshold (ART) in dB sound pressure level (SPL) by gender in each condition.

Article Snippet: Traditional ARTs were obtained with an 85 dB sound pressure level (SPL), 226-Hz probe tone ( Grason-Stadler, Inc. [GSI], 2005 ; 2011 ) using a GSI Tympstar version 2 (GSI, Eden Prairie, MN).

Techniques:

Mean acoustic reflex thresholds (ARTs) (+/- one standard deviation) in dB sound pressure level (SPL) obtained on the clinical tympanometer and wideband (WB) system.

Journal: Ear and hearing

Article Title: Automated Adaptive Wideband Acoustic Reflex Threshold Estimation in Normal Hearing Adults

doi: 10.1097/AUD.0000000000001102

Figure Lengend Snippet: Mean acoustic reflex thresholds (ARTs) (+/- one standard deviation) in dB sound pressure level (SPL) obtained on the clinical tympanometer and wideband (WB) system.

Article Snippet: Traditional ARTs were obtained with an 85 dB sound pressure level (SPL), 226-Hz probe tone ( Grason-Stadler, Inc. [GSI], 2005 ; 2011 ) using a GSI Tympstar version 2 (GSI, Eden Prairie, MN).

Techniques: Standard Deviation