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Directional Mix

Role
Prepares low and high pitches to be treated differently. Directionality can be applied to high pitches, while low pitches always remain in omni.

End user benefit
Rich sound quality and enhanced ability to understand speech while retaining awareness of surroundings.

The lower signals, whose frequencies are below the crossover frequency are amplified as omni. The crossover frequency depends on the space between the hearing instrument’s two microphones.

Sound quality preference for Directional Mix

 

 

   70 % Directional Mix preferred
 30 % Full bandwidth directional preferred
CHOICE
        
Very high  High Low Very low
 LiNX Quattro, LiNX 3D
 Series 61
 500 Hz 800 Hz 1150 Hz 1500 Hz
 LiNX Quattro (62 only), LiNX 3D
 Series 62
 600 Hz 900 Hz 1200 Hz 1500 Hz
Series 67
 450 Hz 750 Hz 1100 Hz 1450 Hz
Series 77
 450 Hz 800 Hz 1150 Hz 1500 Hz
Series 88
 500 Hz 800 Hz 1150 Hz 1500 Hz
 Up Smart, Enya
 Series 77
 600 Hz 850 Hz 1100 Hz 1350 Hz
Series 88
 600 Hz 850 Hz 1100 Hz 1350 Hz
 Enya
 Series 62
 600 Hz 850 Hz 1100 Hz 1350 Hz
 ENZO 3D, Up, Up Smart Series 98
 500 Hz 775 Hz 1050 Hz 1325 Hz
 Magna
 Series 90
 500 Hz 775 Hz 1050 Hz 1325 Hz
 All custom
 5mm spacing
 800 Hz 1050 Hz 1300 Hz 1550 Hz
 ITE custom
 10mm spacing
 600 Hz 850 Hz 1100 Hz 1359 Hz

 RESOUND MODEL  CHOICE
LiNX Quattro 9 / LiNX 3D 9 / ENZO 3D 9 / Up Smart 9, Up 9 Very lo, Low, High, Very high
LiNX Quattro 7 / LiNX 3D 7 / Enya 4, Enya 3, Enya 2 / ENZO 3D 7 / ENZO 3D 5 / Magna 4, Magna 2 / Up Smart 7, Up Smart 5 / Up 7 Prescribed by fitting software depending on the audiogram