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What are multi-channel hearing aids?
Multi-channel, multi-memory, multi-microphone, etc are all features to consider when buying a hearing aid. Please review the following overview of the most common features to consider when purchasing a hearing system:

::: FEATURE :::

::: BENEFIT :::

AMPLIFIER / PROCESSOR

AMPLIFIER/ PROCESSOR

This is the brain of the hearing aid. It can be analog, digital, non-programmable or programmable.

Single Channel

SINGLE CHANNEL

This type of amplifier allows for basic adjustments to the frequency response and dynamic range. It will work well for flat or sloping hearing losses in quiet places. This is the most basic and can be analog or digital.

2 channel

2 CHANNEL

This type of amplifier provides more fitting flexibility to provide a more natural sound quality in quiet and slightly noisy environments. It will work well for flat or sloping loss. This is the next step up from a single channel amplifier and can be analog or digital.

Multi Channel

MULTI CHANNEL

This type of amplifier provides the most fitting flexibility to provide the most sophisticated processing of sound in quiet and in noisy places. It will work well for flat, sloping or unusually shaped hearing loss configurations. This is considered the premium amplifier type. This is the most sophisticated digital processor type.

MICROPHONE

MICROPHONE

This is the part of the hearing aid that picks up the sounds in your environment and sends it on to the amplifier.

Single microphone

SINGLE MICROPHONE

A single microphone will pick up sounds from in front, to the side and from behind you. This is often referred to as an omni-directional microphone. This is best in a quiet place.

Directional microphone

DIRECTIONAL MICROPHONE

This is a single microphone but it has a fixed emphasis design to pick up what is in front of you better than what is behind you. This helps to reduce background noise.

Dual microphone

DUAL MICROPHONE

This is a combination of 2 microphones designed to enhance the signal nearest and in front of you. Dual microphones can have a fixed or adaptive directional emphasis.Dual microphones have significant benefits for use in noisy environments whether paired with a single or multi-channel amplifier.

MEMORY

MEMORY

This is a set of parameters in the hearing device. Each set of parameters may be designed for specific listening environments.

Single Memory

A SINGLE MEMORY

A single memory hearing device means you have the same settings in all listening situations. This is good for someone who has a limited variety of listening situations.

Multiple memories

MULTIPLE MEMORIES

Multiple memories in a hearing device means that the device can be set up with different settings for different listening situations. This is helpful for someone who has a variety of listening situations where one memory of settings is not helpful-typically multiple memories are ideal for noisy situations, the telephone, listening to music or any other unique situation where the basic settings are not adequate

REMOTE CONTROL

REMOTE CONTROL

The remote control can increase ease of use and provide additional functions not available with a pushbutton. It is ideal for individuals who have poor sensitivity in their fingers and cannot manipulate the volume control and memory button/switch on the hearing device. This device is also useful for smaller hearing aids that do not have room for the volume control or memory button/switch.

TELECOIL

TELECOIL

This is a part inside the hearing aid that is activated for use with a hearing aid compatible telephone. If the microphone is shut off while the telecoil is being used then annoying feedback can be avoided when the phone is at the ear resulting in improved comprehension on the telephone.

 


Last modified: November 15, 2007