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Two-microphone wireless audio reference design kit
October 24, 2011 // Julien Happich
The nRFready Microphone wireless reference design kit provides a complete, fast-track two-microphone audio streaming solution ideally suited to consumer gaming and home karaoke applications. Developed jointly by AKM Semiconductor and Nordic Semiconductor, the nRFready Microphone kit employs Nordic's newly launched nRF2460 2.4GHz mono audio streamer IC and audio converters from AKM to deliver 16-bit 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 analog 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 16-bit 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 24-bit stereo DACs, an AKM AK5374 24-bit stereo ADC, and a Microchip PIC16F684 Flash microcontroller. To enable easy connection to PC-based or analog audio systems both analog (RCA) and USB audio interfaces are included on the receiver board.
Visit Nordic Semiconductor at www.nordicsemi.com
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Market News
Apple's overseas tax evasion stirs debate over US tax code
May 21, 2013
According to the Wall Street Journal, Senate investigators found that Apple Inc paid no corporate income tax to any national ...
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Market News
Could Intel enable USD200 Ultrabook?
-
Technology News
Places2Be project aims to boost European leadership around FD-SOI
-
Technology News
Printed, flexible and organic electronics will enjoy a solid growth over the next decade says IDTechEx
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Technology News
Floating surge stopper provides unlimited overvoltage protection
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Business News
Obsolescence groups tackles long term supply and conflict minerals challenges
May 20, 2013
The increasing use of off the shelf commercial equipment and conflict minerals are two key risks facing designers of long ...
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Technology News
First 45nm embedded flash logic test chips sample
-
Technology News
Wolfson to move integrated MEMS microphones to 8in wafers
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Feature Articles
Exploiting depth sensing for 3D interfaces and complex image analysis
Technical papers
Filter Wizard
Check out the Filter Wizard Series of articles by Filter Guru Kendall Castor-Perry which provide invaluable practical Analog Design guidelines.
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The development platform for i.MX 6Quad from element14 (built to the Freescale SABRE Lite design) is an evaluation platform featuring the powerful i.MX 6Q, a multimedia application processor with Quad ARM Cortex-A9 cores at 1.2 GHz from Freescale Semiconductor.
This month, Freescale and element14 are giving away five such platforms, worth £128.06 each, for EETimes Europe's readers to win. The platform helps evaluate the rich set of peripherals and includes a 10/100/Gb Ethernet port, SATA-II, HDMI v1.4, LVDS, parallel RGB interface, touch screen interface, analog headphone/microphone, micro TF and SD card interface, USB, serial port, JTAG, camera interface, and input keys for Android.
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In our previous reader offer, Pico Technology was giving away one of its recently launched PicoScope 3207B, a 2-channel USB 3.0 oscilloscope worth 1451 Euros. Lucky winner Mr L. Sanchez-Gonzalez from Spain should be receiving his PicoScope 3207B soon. Let's wish them some interesting findings with his projects.
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December 15, 2011 | Texas instruments | 222901974
Unique Ser/Des technology supports encrypted video and audio content with full duplex bi-directional control channel over a single wire interface.
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