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CANTA 7™

ReSound Canta 7

Digital Hearing Aids Canta 7™ is the first 3D digital hearing instrument to be designed for our multi-dimensional world of sound. This advanced new instrument has taken the proven technology that GN ReSound is known for, refined it and added new technology and algorithms.

The GN ReSound Canta 7 product line includes the following features:

Digital Cochlea Dynamics

Digital Dynamic Directionality

LASER Speech Enhancement System

Digital Feedback Suppression 

Digital Cochlea Dynamics

Digital Cochlea Dynamics is a signal processing rationale that replicates the lost physiological function of the outer hair cells. To accomplish this, it uses a low compression threshold, compression ratios ranging from 1:1 to 3:1 and fast attack and release times. Additionally, GN ReSound Canta7 uses a series of highly overlapping filter banks for fine control of frequency response and better preservation of spectral contrast. This finely tuned signal processing system provides clear, comfortable sound quality.


Digital Dynamic Directionality

Hearing instruments that address consumer complaints of poor performance in noise have historically provided the highest level of patient satisfaction. The GN ReSound Canta7 hearing instruments utilize Dual Microphone technology combined with an Adaptive Directionality algorithm to enhance speech intelligibility in noise. This means that the loudest signal in the rear plane of the patient is always receiving the maximum attenuation. In addition, GN ReSound Canta7 utilizes Active Microphone Matching to continuously calibrate the dual microphones throughout the life of the hearing instrument. This ensures that the directionality works optimally throughout the life of the hearing instrument.

LASER Speech Enhancement System

The LASER speech enhancement system found in GN ReSound Canta7 instruments consists of two separate algorithms. The first is a 14-band noise reduction system. This system first identifies whether the signal is speech or noise and then, it reduces the gain in the bands where noise is present by either 5, 8 or 12 dB. This noise reduction system also utilizes extremely fast time constants, which allows us to attenuate the noise even between syllables. Canta7 also employs the world’s first ear level spectral enhancement system. Spectral enhancement allows us to exaggerate the spectral contrast to the point where the internal representation of the spectrally enhanced signal in the impaired ear resembles the internal representation of the natural signal in the unimpaired ear. The user perception is a clean, clear sound.
 
Digital Feedback Suppression

Digital Feedback Suppression (DFS) is a “search & destroy” digital function that uses fixed and adaptive filters to monitor the input and listener’s environment for feedback sources. When feedback is detected, DFS generates a signal of equal but opposite phase to cancel out the feedback without affect the gain or any other parameters in the hearing instrument. This allows the user to use the telephone, wear a hat, etc. without annoying feedback.
GN ReSound Canta7 provides unparalleled user benefits. In addition, it is available in all models from Power BTE to CIC and is easily programmed through our Aventa fitting software. Canta7 is the ultimate solution.