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Technology Modules: Network Processor Unit (NPU) : STR NPU02: NPU Audio Extract

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STR NPU02: NPU Audio Extract

  • Description

The STR NPU02 NPU Audio Extract module allows product developers to receive and decode IP audio streams into analogue audio. The module comes in-built with the Stream-Plus Unified Convergence (UC) Platform application interface, and when used with the UCX software framework, developers can easily stream audio to the module and have it decode the audio. Developers and manufacturers of audio products can benefit from this module allowing them to create an IP paging system, Network Music distribution solutions or any other applications that require IP based audio. When utilized with our UCX Software framework that comes with file streaming modules,  developers can easily create an audio streaming music server for the distribution of music via the network.


  • Realtime Instore/Commercial Audio Streaming
  • Network audio/announcement system
  • High quality multi-room network audio receiver


  • In-built Unified Convergence (UC) Platform application interface control platform. No additional firmware development required
  • Ready to work directly with the UCX Framework, protocol ready, on the human interface UI has to be developed
  • Supports live stream decoding
  • Supports file pulling with storage mainly for internet and WiFi audio distribution
  • 10nos. GPIO, RS 232 and UART Communication ports
  • In-built internal storage

Technical Data

Speed: 400MHz
Memory: 128MB
FPU: Hardware Base
GPU: Hardware Base
Internal Storage: 128MB
External Storage: USB
Networking: 10/100Mbit Ethernet
Audio Output: Stereo, 0dB
Frequency Response: 20Hz ~ 20kHz
Audio Decoding Formats: G.711, MP3
Application Interface: Built-in UC Platform
Power Requirement: 3.3Vdc, 700mA
Digital GPIO: 10nos.
UART: 1nos.
RS 232: 1nos.
USB Host: 2nos.
MTBF: Min. 950000h at 40deg.
Operating Environment: 0 to +50deg.
Storage condition: 0 to +70deg; max70% relative humidity; non-condensing
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