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Microphone kit targets consumer gaming apps

Posted: 31 Oct 2011     Print Version  Bookmark and Share

Keywords:microphone  audio streaming  wireless reference 

AKM Semiconductor and Nordic Semiconductor develop the nRFready Microphone wireless reference design kit that offers a complete, fast-track two-microphone audio streaming solution said to be ideally suited to consumer gaming and home karaoke applications.

nRFready Microphone kit

The nRFready Microphone kit employs Nordic's nRF2460 2.4GHz mono audio streamer IC and audio converters from AKM to deliver 16bit uncompressed PCM audio quality, less than 22ms latency, and over 100-hours of battery lifetime (per mic) from two AA batteries.

It includes two microphone boards, a receiver board with both USB and analogue interfaces, plus a complete set of design files, source code, and supporting documentation. The microphone board integrates a Nordic nRF2460 2.4GHz audio streamer IC, AKM's AK5700 16bit mono ADC with microphone pre-amp and ALC (Automatic Loudness Control), a 3.5mm jack for the microphone, and a Microchip PIC16F684 Flash microcontroller. The receiver board integrates two Nordic nRF2460 audio streamer ICs, two AKM AK4430 24bit stereo DACs, an AKM AK5374 24bit stereo ADC, and a Microchip PIC16F684 Flash microcontroller. To enable easy connection to PC-based or analogue audio systems both analogue (RCA) and USB audio interfaces are included on the receiver board.

- Julien Happich
  EE Times





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