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Wi-Fi Video Baby Monitor

Overview
Whether serving as an audio-only or audio/video device, Wi-Fi video baby monitors are becoming an increasingly popular home monitoring product. As such, DSP Group® offers a comprehensive wireless baby monitor reference design for handling audio or video capabilities or a combination of the two.
 
Part of DSP Group's connected multimedia screen family, the reference design enables the cost-effective development of always-on baby monitors featuring a touch screen and intuitive interface, as well as immediate access to information capabilities. The DSP Group-designed Wi-Fi video baby monitor is also highly portable, built on an open platform, and can be easily personalized.
 
The reference design is linked to a transmitter (i.e. baby unit), which enables transfer of data to the receiver (i.e. parent unit) while simultaneously handling wireless communications. By utilizing the Wi-Fi 802.11 b/g standard, the reference design can also interact with commonly used home gateways, enabling parents to monitor their baby's room from a PC at their office or other remote sites.
 
The parent unit, which can also be configured as a Wi-Fi access point, utilizes maximal-ratio combining (MRC) for increased range and sensitivity. As a result, the monitor enables throughput of over 30Mbps both within and outside the home, while displaying a full screen, full frame rate video stream received from the baby unit.
 
The baby monitor hardware and software reference design is based on DSP Group's XpandR® II chipset. Part of the Company's new-generation XpandR family of multimedia chipset solutions, the chipset is connected to an external camera module featuring a JPEG encoder for capturing visual information and compression. Audio received from the baby unit microphone and visual data received from the camera are sent in parallel to the remote monitoring parent unit.
 

Offering superior coverage, auto triggering via motion and/or audio detection (i.e. VAD, VOX), and low power consumption and radiation, the Wi-Fi reference design is ideal for visual wireless baby monitors as well as other residential security applications.

 
Highlights

Features

  • Single system incorporating video, audio and an alert signal

  • Highly integrated digital, analog and RF circuits for system bill of materials (BOM) cost savings, as well as compact design with small footprint

  • Powerful ARM926EJ-S™ @ 240MHz processor

  • Battery operation with built-in DC/DC converter

  • Single-stream encoding resolution: QVGA 320x240 up to 30fps

  • Integrated JPEG HW decoder
  • Low power consumption for increased monitoring time
  • Low emission and radiation with dynamic transmission power control
  • High-quality audio, wide band audio, wide band synthesis, protected audio mode
  • Silence detection (voice activation) and motion detection (motion activation) options for minimized transmission time and power savings
  • Infrared sensors for monitoring in low light environment
  • Hands-free true full duplex speakerphone
  • MP3 melody playback support (for playing lullabies)
  • Full silicon, hardware and software reference design solution

WLAN Connectivity

  • Wi-Fi connectivity (802.11b/g) with maximal-ratio combining (MRC) operation for increased range and sensitivity

  • Reduced Wi-Fi RF transmission using the WMM-APSD with HCCA standard
  • Security: WEP, WPA, WPA2, TKIP and AES hardware acceleration
  • QoS and low power: WMM and WMM-PS for improved battery life of Wi-Fi devices
  • WPS for easy set-up and configuration
  • Wi-Fi auto find (for easy Wi-Fi network setup)

Benefits

  • Fast TTM

  • Small form factor
  • Transmitter and receiver portability
  • Full frame rate video quality
  • Long-life battery
  • Safety and radiation regulation compliance
  • Low transmitter radiation
  • Low cost
 

Product Graphics

Wi-Fi Baby Monitor Parent Unit DMW74 + DP

Wi-Fi Baby Monitor Baby Unit DMW74 + RF52 + DP

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