Exemplos de uso de Masking noise em Inglês e suas traduções para o Português
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Broadband masking noise was used when necessary.
The threshold variance was determined according to the masking noise.
The current level of the masking noise was fixed at 10 units above the stimulation level.
Sound generator: analysis of the effectiveness of masking noise in tinnitus reli….
Studies of P300 with masking noise also demonstrated increased latencies with unaffected amplitudes.
The average value obtained was lower than 5 dB,confirming the effectiveness of the masking noise.
In addition to these, five other items that presented only a masking noise without pure tones were also included.
In the present study,the acoustic values of frequency variability in Hz were higher in the presence of masking noise.
The MML analysis with three types of masking noise was performed considering the findings of Feldmann(1971) and Vernon and Meikle 2003.
In our study the subjects underwent hearing sound stimuli/samples presented simultaneously with a masking noise.
In this case a lower intensity of low frequency masking noise was required to mask the tinnitus noise group NG.
In the Hearing in Noise Test HINT, sentences are used to measure speech recognition thresholds in the presence of masking noise.
The determination of real hearing threshold occurs when the masking noise is within the Plateau region, what must happen for both methods.
Speech recognition performance in noisy environments may vary according to the acoustic characteristics of the masking noise.
When analyzing the MML intensity variables using masking noise in relation to high pitch tinnitus, the ratio was WN HFNB< LFNB Table 6.
Therefore, in each application of the test,the signal-to-noise S/N ratio between the tone and the masking noise varied between -10 and -40.
The association of the three types of masking noise, WN, LFNB and HFNB, was evaluated with the high pitch and low pitch tinnitus within each group alone.
Nonetheless, other influences are also reported, such as: age,intensity level of the task and masking noise central frequency.
When comparing the three types of masking noise used: WN, LFNB and HFNB, in the three groups of patients, there was a homogeneity regarding the proportion of masking noise used.
The magnitude of masking release is related to some of the physical characteristics of the masking noise. For example, its modulation rate across time.
Owing to the fact that the equipment used to register the EOAE in the population studiedlacked a suppression system, we utilized a clinical audiometer with TDH-29 phones to apply the masking noise.
Both groups read the same passage in three different moments:the first without masking noise and the other two with white noise at 50 dB and 90 dB, respectively.
The three groups were similar in relation to the intensity required to mask tinnitus when WN and HFNB masking noise were used.
In the presence of masking noise, reporters and non-reporters present changes in voice and speech production characterized by an increase in loudness, pitch, strain and articulatory precision, with major shifts in the non-reporters.
The refractory properties of the auditory nerve are extracted from the amplitude of the neural response as a function of the interval between the stimulus and masking noise i.e., the interpulse interval, or IPI and can be measured by NRT using the subtraction method.
Regarding the number of masking noise increments needed for the retest of the thresholds AC and BC, considering unilateral and bilateral patterns in which similar hearing thresholds were obtained for a higher percentage of frequencies tested, it was verified that the Optimized method used a smaller number of increments for the masking, despite of the test AC or BC, what considerably reduced the evaluation time.
The 1000 Hz tone, present in the same channel as that of the CD on which the sentences were recorded,as well as the masking noise present in the other channel, were set to zero-level.
In this way, the lower brainstem is activated to facilitate the perception when the pure tone and the masking noise are out of phase when they occur at different times, whereas when they are in phase when they occur at the same time, such facilitation does not happen.
The Words-in-Noise Test(WIN)uses monosyllabic words presented at seven different signal to noise ratios with masking noise- typically speech spectrum noise. .