All items tagged with audio codecs (65)

LC3plus Certified for Hi-Res Audio Wireless by Japan Audio Society

November 10, 2022 by Joao Martins

LC3plus Certified for Hi-Res Audio Wireless by Japan Audio Society

The LC3plus codec, co-invented and licensed by Fraunhofer IIS, has received the Hi-Res Audio Wireless certification logo issued by the Japan Audio Society, following an extensive objective and subjective testing process. This shows that LC3plus High-Resolution meets the criteria set by the Japan Audio Society, in particular the support of a 96kHz sampling rate, at least 24 bits per audio sample, and the ability to reproduce frequencies of 40kHz and above.

Japan Audio Society Certifies New MQA SCL6 Scalable Codec for Hi-Res Audio Wireless Applications

November 9, 2022 by Joao Martins

Japan Audio Society Certifies New MQA SCL6 Scalable Codec for Hi-Res Audio Wireless Applications

Japan Audio Society (JAS), the internationally respected audio research organization, has certified MQA's new SCL6 scalable codec for use with its Hi-Res Audio Wireless logo. This new codec carries the technical name of SCL6 and is coming to market as MQair. In the announcement, JAS confirmed that both the new SCL6 (MQA) and LC3plus (Fraunhofer IIS) codecs will receive this new level of certification, created specifically for wireless audio, and expanding the existing Hi-Res Audio certification.

New High Quality, Low Latency Digital Wireless Transmission Solution Available from Audio Codecs

September 22, 2022 by Joao Martins

New High Quality, Low Latency Digital Wireless Transmission Solution Available from Audio Codecs

Audio Codecs, a new Belfast-based company and the developers of the Skylark digital audio data compression algorithm designed for low latency, joined forces with Virscient, a New Zealand based RF consultancy house, to launch a new wireless audio transmission module using Bluetooth Low Energy. The solution uses a Nordic Bluetooth LE SoC to transmit a 24-bit/48kHz high quality, low latency digital wireless microphone signal.

Closer to Home. audioXpress October 2022 Is Now Available

September 9, 2022 by audioXpress Staff

Closer to Home. audioXpress October 2022 Is Now Available

There's a lot of everything in audioXpress October 2022. Starting with a market update on audio for Residential Integration. Next, Jonny McClintock shares The Story of aptX, Gary Galo reviews Sumiko phono cartridges and new 78 rpm stylus, Richard Honeycutt explains RT Measurement, Frans de Wit tackles the design of a DC Power Supply, Ken Bird builds a pair of tower speakers with Oaktron drivers manufactured in the US, and Christopher Paul writes about Triode Common Cathode Stages and its controversies.

The Acoustical Challenges of Designing True Wireless Earphones

June 28, 2022 by Andrew Bellavia

The Acoustical Challenges of Designing True Wireless Earphones

Expanding the perspective on the evolution toward hearables, this article explores the current trends as well as the acoustical challenges and solutions for designing true wireless earphones. The article explains the enabling technologies currently converging as the TWS market continues to grow and use cases multiply, with more consumers using wireless earbuds for a diverse and varied set of applications, from listening to podcasts and audiobooks to Internet meetings and interacting with voice assistants. This article was originally published in audioXpress, April 2022.

RTX Expands Sheerlink 2.4GHz Wireless Audio Module Series

June 3, 2022 by audioXpress Staff

RTX Expands Sheerlink 2.4GHz Wireless Audio Module Series

During NAMM 2022, RTX A/S, a Danish company specializing in the design of resilient wireless audio solutions, announced the expansion of their Sheerlink audio module series. The company's new RTX1291 2.4GHz module bears strong relations to the RTX1290 module but fits additional purposes due to its higher DSP performance, enabling robust wireless audio quality with low latency for professional and semi-professional applications in musical instruments, microphones, speakers, and headphones.

Bluetooth SIG Market Update on LE Audio Specification

March 31, 2022 by Joao Martins

Bluetooth SIG Market Update on LE Audio Specification

The Bluetooth SIG published its latest Bluetooth Market Update. And we learn that the LE Audio specification project is nearing completion... and should be ready this year. Will everyone just wait? This article looks at the llatest Bluetooth Market Update, which confirms that wireless audio streaming is still the largest Bluetooth solution application area by far, and is bound to grow even more thanks to LE Audio. But everything is taking a bit longer than expected and not everyone is happy...

The Standards We Need. A Review of the Book "Introducing Bluetooth LE Audio" by Nick Hunn

January 20, 2022 by Joao Martins

The Standards We Need. A Review of the Book "Introducing Bluetooth LE Audio" by Nick Hunn

This article is a review of the recently distributed book, Introducing Bluetooth LE Audio, by Nick Hunn, Chair of the Bluetooth SIG Hearing Aid Working Group, Vice Chair of the Generic Audio Working Group and a key contributor to the Bluetooth LE Audio specifications. This is an important book for everyone who wants to understand Bluetooth LE Audio. But has the industry momentum for Bluetooth LE Audio been lost? Two years after the original Bluetooth LE Audio announcement in 2020, all we have is a Book.

MPEG-H Audio Selected as the Sole Mandatory Audio System for Next-Generation TV 3.0 Broadcast Service in Brazil

January 18, 2022 by audioXpress Staff

MPEG-H Audio Selected as the Sole Mandatory Audio System for Next-Generation TV 3.0 Broadcast Service in Brazil

The Brazilian SBTVD Forum (Brazil's digital TV technical coordination entity) recently finalized the technical evaluation phase of its TV 3.0 Project for the definition of the next-generation television system in Brazil. It comprised a detailed technical evaluation of all proposed technologies. As a result, the MPEG-H Audio system was selected as the sole mandatory audio codec for the future Brazilian broadcast system. Fraunhofer IIS supported the SBTVD Forum in the testing and evaluation process.

Update from Asahi Kasei Microdevices - The Return of Velvet Sound

December 2, 2021 by Joao Martins

Update from Asahi Kasei Microdevices - The Return of Velvet Sound

Following the major fire that destroyed its semiconductor factory in Japan, Asahi Kasei Microdevices (AKM) is back online and promises new announcements in January 2022. audioXpress received notice from Gaku Suzuki, General Manager for Digital Marketing HiFi ICs at AKM that the company's famed Velvet Sound DACs and ADCs are about to resume production. We also learned that the company intends to focus on a new generation of chips and offer updated replacements for existing references.

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