Phonak CROS  

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Introduction to the CROS System 

Total unilateral hearing loss (UHL), also known as single sided deafness, refers to the total loss of hearing in one ear with either normal hearing or aidable hearing loss in the better ear. 

Total hearing loss in one ear has been found to be very debilitating.  With limited options available for medical treatment, one solution is to transmit sound from the unaidable ear to a receiver on the normal hearing ear. An example of this is a CROS (Contralateral Routing of Signal) hearing aid.  

The new Phonak CROS is the smallest, most stylish and technologically advanced wireless CROS/BiCROS solution designed to meet your individual needs and preferences.  It is available in a BTE or ITE style. Phonak CROS consists of only two parts, a transmitter microphone for the ear that cannot benefit from a hearing aid, and a receiver hearing aid on the better hearing ear. This means that when sound comes from your poorer hearing side it will be wirelessly sent to your better ear. This will enable you to hear sounds regardless of where they come from.  

When your better ear hears normally (CROS) 

The transmitter placed behind or inside your poorer ear, picks up sound and transmits it wirelessly to the normal hearing ear. The hearing in your good ear will remain natural and completely unaffected. 

When you have a hearing loss in your better ear (BiCROS) 

The transmitter placed behind or inside your poorer ear, picks up sound and transmits it wirelessly to the better hearing ear. At the same time, the receiving hearing aid also serves as an amplifier improving hearing in that ear. 

The Phonak CROS Transmitter is available as a BTE in the Audéo S Smart BTE housing or as a custom product in a half shell or full shell option. 

Phonak CROS Features 

SOUNDFLOW 

An acoustic environment is made up of many different sound situations that vary constantly. SoundFlow, the multi-base automatic feature of the Phonak CROS System, seamlessly adapts and integrates the right set of parameters to ensure optimal listening for every sound environment. The streamed signal from the CROS transmitter and the signal from the hearing instrument on the better ear undergo the same SoundFlow signal processing. So depending on what environment you are in, both signals are simultaneously optimized to the changing environment in real time.  

REAL EAR SOUND 

Precise localization of sounds is needed to feel comfortable and secure in all acoustic environments. This is achieved with the help of the natural directivity of the pinna. It provides important monaural spectral information, in particular in the high frequencies, which is necessary to avoid front-back confusions. The location of the microphone in a BTE instrument degrades pinna cues and worsens localization. Real Ear Sound, a monaural directivity algorithm, simulates the pinna by utilizing advanced signal processing schemes restoring the front to back localization. The Phonak CROS instrument is equipped with Real Ear Sound to improve your localization capability as well as improve speech when in noisy situations. 

QUICKSYNC 

With one touch of the button on either the CROS transmitter or hearing instrument, QuickSync instantaneously changes the volume or program settings on the Phonak CROS device and on the hearing instrument. So, now you can control your Phonak CROS System with one button. An additional control option for Phonak CROS is provided by myPilot or Phonak PilotOne remote controls. 

SIGNAL ALERTS 

Phonak CROS System is the first CROS instrument to have clear and distinct connection alerts that are activated in the unlikely event that the wireless connection has been lost, and when it has been re-established. The Phonak CROS also has battery status alerts for the CROS transmitter and hearing instrument, providing further security. 

With the Phonak BiCROS system, you will have access to the Spice Platform features such as Automatic SoundFlow, UltraZoom, WhistleBlock, NoiseBlock, SoundRecover and manual programs. 

Phonak CROS can accommodate the widest range of hearing demands, from normal hearing (CROS) to any degree of hearing loss in the better ear (BiCROS).  

The Phonak CROS - the ultimate CROS/BiCROS solution thanks to the  Phonak Spice Generation.

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