Dirac Research Debuts Dirac Distortion Control, Enabling Cleaner Audio From Mobile Devices at MWC19

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MWC19 features a Dirac Distortion Control™ demo experience developed in partnership with leading micro-speaker manufacturer AAC Technologies that showcases the next-generation of mobile audio performance.

Dirac Research, the Swedish pioneer of digitally optimized sound solutions, today announced the debut of Dirac Distortion Control, a patent-pending audio solution that reduces audible distortion in smartphones, tablets, laptops and all-in-one PCs with minimal impact on volume. The company is introducing Dirac Distortion Control to the mobile market at MWC19 in Barcelona in Hall 2, Stand 2B64MR.

According to Erik Rudolphi, Dirac General Manager of Mobile, when small speakers play at high volume, distortion occurs. The distortion becomes more obvious when playing piano music or vocals, especially those that are bright and higher-pitched. 

The tonal harmonies of the piano music stand in stark contrast to the noisy distortion – which has led to the term “piano distortion”. However, it’s not actually a specific type of music or sound that causes distortion; it’s caused by the mechanical limitations of small speakers due to their constrained space. 

“As consumers increasingly demand mobile devices that are bezel-less, include multiple cameras, and add functions while also remaining thin, manufacturers must sacrifice speaker space, which thus increases the likelihood of piano distortion at high volumes,” stated Rudolphi. “Piano distortion is a significant challenge for mobile audio performance, and until now there has not been an effective solution available.” 

Continued Rudolphi, “Manufacturers, along with consumers, have been forced to choose between loud playback with high distortion or strongly attenuated playback with less distortion. With mobile media consumption skyrocketing, the market has an immediate need to provide consumers with cleaner sound even at high volumes – which now, for the first time, is possible thanks to Dirac Distortion Control.”

Dirac Distortion Control significantly reduces audio distortion with minimal impact on loudness, thereby allowing wide-band music to be played at high volumes with cleaner sound. The technology combines loudspeaker profiles that determine how to avoid distortion with a “smart” algorithm that continuously monitors audio content to determine when the remedy needs to be applied. The smart algorithm identifies the specific part of the content that causes audible distortion, and then accordingly applies the correct dose of remedy to compensate for the specific constraints of each device’s electro-acoustical components.

“The rapidly advancing technology found in mobile devices provides numerous benefits to consumers, but improvements in audio performance has largely been limited to louder sound – with audio fidelity going almost completely unaddressed,” Rudolphi added. “As a leader in audio science and engineering, we are proud to continue introducing solutions like Dirac Distortion Control that produce better audio experiences that satisfy the expectations of the music-loving public.”

Dirac is debuting a new Dirac Distortion Control demo experience developed with strategic partner AAC Technologies, the world-leader in micro speaker R&D and manufacturing. The demo integrates various Dirac mobile audio solutions, including Dirac Distortion Control, with AAC Technologies’ leading micro speakers to demonstrate a new level of mobile audio performance.

Since 2016, Dirac and AAC Technologies’ engineering teams have collaborated closely to maximize the efficiency of the hardware and software design process and achieve a new calibre of audio performance through products designed specifically to work together.

 The new Dirac Distortion Control solution – which is used exclusively in conjunction with Dirac Panorama Sound® or Dirac Power Sound® – is being demoed at MWC19 from February 25-28, 2019 at Dirac’s Stand 2B64MR in Hall 2.

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