Neuro-Audio

digital system for objective audiometry of newborns, children and adults

USB connection

ISO 9001 quality certificate

ISO 13488 quality certificate

CE conformance certificate

Certificates of conformance to CIS requirements

 

 

 

 

 

     PDF-file
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General Properties • Techniques • Delivery Set • Specifications •

Neuro-Audio General Properties 

"Low" speech factor is one of the greatest disorders, especially for children. Total or partial loss of hearing usually results in retarded development. To assess objectively adult and children auditory analyzer, to provide assistance for earphone selection, to make people's life full of voices, birds singing and favourite melodies sounds hearing become possible thanks to auditory EP and TEOAE system Neuro-Audio.

Our company specialists managed to solve an extremely difficult task of creating the device which can register long-, middle- and short-latency (brainstem) auditory evoked potentials and transient evoked otoacoustic emission. The results of this work were highly appreciated by the audiologists in the whole world.

Neuro-Audio can be used in psychiatry, professional eligibility determination, clinical and forensic medical examinations. Moreover, the patient state (e.g. sleep or vigil) and even his/her negative attitude to the checkup don't affect the results.

Neuro-Audio Techniques 

 

 

 

 

 

Short-latency (brainstem) auditory EP

 

 

 

 

 

 

 

 

Long-latency auditory EP

 

 

 

 

 

 

 

 

Cognitive EP (P300)

 

 

 

 

 

 

 

 

Transient evoked otoacoustic emission (TEOAE)

 

 

 

 

Neuro-Audio Delivery Set 

·                   Neuro-MEP amplifier unit with a holder

·                   Neuro-MEP auditory-visual stimulator

·                   Patient button

·                   USB-hub

·                   Cup EP electrode with a cable – 5 pcs.

·                   Auditory stimulator (headphones)

·                   TEOAE probe

·                   Ear tips (5-14 mm diameter with 1 mm step – 4 pcs. of each size)

·                   Abrasive paste for skin preparation

·                   Electrode adhesive paste

·                   CD with software

·                   User and technical manuals

·                   Transportation bag

 

 

 

 

 

Neuro-Audio Specifications 

Neuro-MEP Amplifier:

Number of channels

4

Sampling rate per channel

200 Hz – 40 kHz

A/D converter

16 bit

Input impedance

100 MΩ

Peak to peak input noise level in the band from 2 Hz up to 10 kHz, not more than

3 µV

High pass filter

0.02 – 1000 Hz

Low pass filter

10 – 10000 Hz

On/off notch filter 50/60 Hz (switchable), not less than

40 dB

Common mode rejection ratio, not less than

100 dB

Interchannel damping

60 dB

Interface

USB

Trig-out for third-party firm stimulators

Yes

Auditory-Visual Stimulator Unit:

Auditory Stimulator:

 

Stimulus intensity

0 – 120 dB SPI

Tone Stimulation:

 

• Tone

100 – 8000 Hz

• Stimulus duration

0.125 – 90 ms

Click Stimulation:

 

• Stimulus duration

100 – 50000 µs

Stimulus frequency

0.05 – 300 Hz

Left/right/double-sided stimulation

Yes

Stimulus shape:

 

• rectangle

Yes

• meander, unipolar meander

Yes

• trapezium

Yes

• sinusoid, modulated sinusoid

Yes

Contralateral noise masking

Yes

Headphones:

 

Bandpass flatness

 

• In the band from 100 Hz up to 6 kHz, not more than

6 dB

• In the band from 100 Hz up to 8 kHz, not more than

10 dB

TEOAE Probe:

Yes

Stimulus intensity

50 – 80 dB

Telephone bandpass flatness

 

• In the band 500-3000 Hz

6 dB

• In the band 500-5000 Hz

20 dB

Microphone bandpass flatness

 

• In the band 500-5000 Hz

6 dB

Supply Voltage:

Electronic units

5 V DC

Desktop PC-based system

220/230 V AC (50 Hz) / 110 V AC (60 Hz)

Notebook PC-based system

220/230 V AC (50 Hz) / 110 V AC (60 Hz) /Int. battery

Dimensions:

Amplifier unit

190x140x50 mm

Auditory-visual stimulator unit

155x105x40 mm

Delivery set (without computer and printer)

450x350x320 mm

Weight:

Amplifier unit, not more than

1.0 kg

Auditory-visual stimulator unit, not more than

0.5 kg

Delivery set (without computer and printer), not more than

8.0 kg

Safety

BF type