BHI-NEDSP900 Noise Suppressor
SKU Part Number: BHI-NEDSP900
The NEDSP900 is a dual channel audio Noise Suppression pcb module capable of handling a wide range of audio inputs.  It provides up to 40dB...
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£109.99 £91.66
Availability: In stock
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The NEDSP900 is a dual channel audio Noise Suppression pcb module capable of handling a wide range of audio inputs.  It provides up to 40dB of noise suppression. The module operates on a single supply rain with on‐board voltage regulation and clock oscillator. It has low power consumption which makes it suitable for portable applications.

The noise suppression is carried out using a Digital Signal Processing (DSP) device that runs software containing a Noise Suppression algorithm. This is patented technology for noise reduction of speech signals. It is one of the best algorithms of its kind and is ideally suited for real‐time processing in any kind of voice communication system in noisy environments, such as handsfree telephone sets, industrial intercom systems and radio communication systems.

The module comprises a multi‐layer PCB that provides good signal isolation and grounding making integration into target systems easy with the minimum of design effort. A few simple rules need to be observed in order to preserve the achievable levels of noise suppression, these are dealt in the datasheet/user manual. Pins are on a 2mm pitch.

There are several ways in which the device can be controlled. The module has been designed such that it may be used with purely passive control elements such as switches and solder pads or by using logic control via a microprocessor.

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Applications:
• Noise Cancelling Microphones
• Noise Suppression for radio voice communications
• Noise Cancelling in voice recognition to improve accuracy rates
• Intercoms

Features:

  • Dual channel configurable Noise Suppression
  • Up to 30 dB maximum gain configurable input amplifiers
  • Low power consumption (typ <5mA)
  • Wide supply voltage range (3 to 20V)
  • In‐and outputs RF protected with LC low pass filter
  • Up to 40dB noise suppression
  • Audio bandwidth 300Hz to 5KHz
 
  •  

Shipping:

We have several shipping options for our products, including next-day and Saturday/Sunday delivery for certain items. Please see these options at checkout.

Returns:

If you have any equipment that needs to be returned to Martin Lynch & Sons, please fill out the form below:

Click here for returns form

Upon receipt of goods you have 14 days to return goods however the goods must be returned in original packaging and care must have been taken with the goods you wish to return. Under distance selling regulations you are not entitled to any refund on carriage charges or modification charges made at your request. Large items cannot be returned if they have been assembled, unless faulty.

Warranty Terms and Conditions

Outside of the 14 faulty return period, returned items cannot be accepted, unless covered by manufacturer's warranty. We will repair as much as possible on site however in exceptional circumstances products may have to be returned to the manufacturer of distributor.

For repairs/replacements under manufacturer’s warranty for any item please download a ML&S return form from the link above and return to ML&S with the faulty product.

International Warranty information

Warranty service for items we sell is available in the U.K. only, unless otherwise noted. It is your responsibility to pay freight for returned items to the U.K. and back to you for desired warranty coverage. All of our NEW products come with a minimum 12 month warranty, (Yaesu & Icom 24 months), with up to 90 days on second-hand equipment. Items returned for service must state "returned goods for repair" on the return air waybill or U.K. import customs duties apply and will be added to your invoice. For more info about returning items please contact our customer help desk, [email protected]