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Widex Senso Plus BTE P38 Technical Guide by Hearing Planet
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Searched and found50 speed senso anti hum filter battery maintainers bte btes direct audio input comfort guide compass software widex dsp earmold earmolds examples of a delta force and interference fit hearing aid filters hearing filter hi pro hi pro fitting linear amplifier linear amplifiers linear guide linear guides low loss fittings lp2 microphone noise reduction multi channel noah noah hi pro optimizer microphone p38 profound loss in hearing senso p38 senso p38 settings senso p38 user settings sigma 6 spectra user guide widex widex battery widex compass software widex filter widex hearing aid widex senso widex senso p38 widex senso p38 hearing aid widex senso plus
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100 digital high power bte · programmable lp2 or compass · 3 channel dsp with varioslopetm filters · sound stabilizertm · enhanced dynamic range compression · automatic feedback manager · optional digital comfort vc recommended for · moderately severe to profound hearing losses · all hearing losses including conductive fluctuating sloping flat and reverse slope losses · persons wanting the digital solution to their hearing loss suggested fitting range the senso p38 features together with its elegant design make it a natural extension of hearing rather than just an aid the senso digital signal processor dsp works with 20-bit representation of the signal and a sampling rate of 32 khz senso p38 is a superbly engineered hearing aid in the renowned widex tradition senso p38 offers you · 3 channel dsp with varioslopetm filters for
| accurate and versatile fitting · enhanced dynamic range compression to maximize speech intelligibility and listening comfort · sound stabilizertm for fast adjustment to sudden changes in the sound environment while maintaining speech intelligibility and speech dynamic range · automatic feedback manager patent pending for reduction of acoustic feedback · optional digital comfort volume control ± 6 db range with beep-tone adjustment indicator · m t and mt settings available the and t mt responses are compensated to preserve the frequency and output level of the acoustic signal · the microphone and telecoil inputs each have their own sigma-delta converter allowing a telecoil with a digital anti-hum filter to reduce interference from the mains · long battery life of approximately 500 hours 675 zn-air battery with 600 mah capacity · low battery beep-tone indicator · minimal audible internal noise due to special processing · digital power drivetm dpd senso direct digital drive patent
| when fitting multi-channel hearing aids traditional filters with fixed orders rarely give the right compensation over the entire frequency range moderately sloping hearing losses are best fitted using low order filters to avoid peaks or valleys in the compensation while precipitously sloping hearing losses need high order filters to obtain appropriate compensation when fitting the 3 channel senso p38 the varioslopetm filters provide natural slopes for most types of hearing loss in order to ensure optimal fitting between the frequency channels automatic feedback manager senso p38 has a built-in automatic feedback manager which minimizes feedback the enhanced dynamic range compression system requires high gain for low level inputs depending on the earmold quality the high gain will increase the risk of feedback in quiet surroundings in each of the three channels the automatic feedback manager verifies if the high gain is possible without feedback if not the gain in that particular channe
| enhanced dynamic range compression works to present all signals to the senso p38 user at a natural sensation level in these two audiograms htls and ucls of a profound hearing loss are shown for each of three different speech signals both unamplified and amplified speech spectra are shown it is worth noting that 1 amplified speech is made audible in all cases as it is reproduced between the users htl and ucl 2 amplification is different for different levels of speech comparison of amplified and unamplified speech reveals 55 db amplification in the low frequencies for soft speech and 40 db for loud speech 500 hz low band 1 khz mid band 3 khz high band dynamic i/o curve for a speech signal enhanced dynamic range compression can also be described through i/ocurves the steady-state i/o-curves black lines show how amplification is adjusted as a function of the input level for low inputs amplification is reduced to minimize microphone noise and feedback for medium level inputs it is reduc
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