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Technology Modules: Network Processor Unit (NPU) : STR NPU03: NPU Audio Insert

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STR NPU03: NPU Audio Insert

  • Description

The STR NLK03 NPU Audio Insert module allows product developers to encodes live analogue audio into IP streams and vice versa. 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 create systems that support live audio streams into the network. Developers and manufacturers can implement live network paging systems, high quality network music distribution solutions, bi-directional intercom box or any other applications that requires a distributed network based audio. When utilized with our UCX framework for file streaming,  developers can easily implement 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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