Telecoms, Datacoms, Wireless, IoT


Nordic chip delivers CD-quality DAB audio via wireless link

17 May 2006 Telecoms, Datacoms, Wireless, IoT

Asono, a manufacturer of digital audio equipment, has selected the Nordic Semiconductor's nRF24Z1 transceiver to power the wireless link between its aesthetically-designed DAB1 'kitchen shelf' radio and remote stereo speaker. The Nordic nRF24Z1 transceiver boasts ample bandwidth (up to 4 Mbps) to deliver uncompressed 16-bit resolution, 44,1 kHz, CD-quality audio per channel between the Asono DAB1 radio and its optional wireless satellite stereo speaker up to 10 m away.

According to the company, competing solutions such as Bluetooth lack the bandwidth to deliver high-quality audio and must resort to compression techniques, compromising sound quality.

The Asono DAB1 radio has already received some rave reviews in the specialist hi-fi press for its appearance, novel features and high-quality audio reproduction.

Comments Lars Elstad, marketing manager at Asono: "In addition to including leading design features - such as a digital display that can be re-orientated when a user turns the main unit on its side, and the ability to pause, rewind and record DAB radio broadcasts - it had to sound great."

"Because we specified high quality speakers from Norwegian manufacturer SEAS, differences in audio quality were easily detectable due to faithful reproduction of the source audio signal," says Mads Hoyby, Asono product developer. "In addition, although the satellite speaker is mains-powered, the main unit can be battery powered, so low power consumption is essential. We initially tried a Bluetooth-based solution for the wireless link, but found that the power consumption was too high, draining the main unit's batteries. The wireless audio link was also more prone to ambient 2,4 GHz interference than Nordic's transceiver."

Notes SEAS director Jorgen Gjerdrum: 'Our engineers were surprised at just how good the Nordic Semiconductor nRF24Z1 transceiver sounded when streaming wireless audio to our speakers in the Asono DAB radio. To our ears it lost practically nothing in terms of outright sound quality compared to a conventional hard-wired connection. We did not think that was yet possible with any wireless audio streaming transceiver, let alone a low cost, volume part like the nRF24Z1."

Digital audio broadcasting (DAB) is expected to eventually supersede analog FM and AM radio broadcasts across the world for clear interference-free sound. The UK, Germany, Norway, Denmark and Canada are currently the most advanced countries for DAB introduction.



Credit(s)



Share this article:
Share via emailShare via LinkedInPrint this page

Further reading:

Industrial Ethernet time sensitive networking switch
RS South Africa Telecoms, Datacoms, Wireless, IoT
The ADIN3310 and ADIN6310 are 3-port and 6-port Gigabit Ethernet time sensitive networking (TSN) switches with integrated security primarily designed for industrial Ethernet applications.

Read more...
When it comes to long-term reliability of RF amplifier ICs, focus first on die junction temperature
Altron Arrow Editor's Choice Telecoms, Datacoms, Wireless, IoT
When considering the long-term reliability of integrated circuits, a common misconception is that high package or die thermal resistance is problematic. However, high or low thermal resistance, by itself, tells an incomplete story.

Read more...
Automotive-grade digital isolators
Telecoms, Datacoms, Wireless, IoT
The NSI83xx series of capacitive-based isolators from NOVOSENSE Microelectronics offer superior EOS resilience and minimal power noise susceptibility.

Read more...
Why bis means business for LTE Cat 1 IoT connections
NuVision Electronics Editor's Choice Telecoms, Datacoms, Wireless, IoT
Tomaž Petaros, product manager IoT EMEA at Quectel Wireless Solutions explains why the market for Cat 1bis IoT connections is getting busy.

Read more...
Wi-Fi in 2025: When is Wi-Fi 7 the answer?
iCorp Technologies Telecoms, Datacoms, Wireless, IoT
Wi-Fi 7 introduces multi-link operation and lower latency, a game-changing feature that allows devices to transmit and receive data across multiple frequency bands simultaneously to significantly reduce network congestion.

Read more...
Bluetooth Lite SoCs purpose built for IoT
NuVision Electronics Telecoms, Datacoms, Wireless, IoT
Whether it is enabling predictive maintenance on industrial equipment, tracking assets in dense environments, or running for years on a coin cell battery in ultra-low power sensors, developers need solutions that are lean, reliable, and ready to scale with emerging use cases.

Read more...
LTE Cat 1bis module
Otto Wireless Solutions Telecoms, Datacoms, Wireless, IoT
The A7673X LTE Cat 1bis module from SimCom is engineered to meet the growing demands of the IoT industry, offering exceptional performance and seamless integration.

Read more...
Track with precision
Electrocomp Telecoms, Datacoms, Wireless, IoT
KYOCERA AVX provides innovative antennas for cellular, LTE-M, NB-IoT, LoRa, GNSS, BLE, UWB, Wi-Fi, and future Satellite IoT.

Read more...
Wi-Fi 7 front-end module
RF Design Telecoms, Datacoms, Wireless, IoT
The Qorvo QPF4609 is an integrated front end module designed for 802.11be systems that has integrated matching, which minimises layout area.

Read more...
Multi-channel downconverter
Vepac Electronics Telecoms, Datacoms, Wireless, IoT
The Downconverter from Crane Aerospace is a converter that operates from 2 to 18 GHz and delivers a noise figure of 11 dB with an attenuation range of 25 dB.

Read more...