The speaker, the most traditional consumer electronic product, has become the "net celebrity" of consumer electronics products due to the development trend of wireless and intelligence in recent years, especially the smart speaker used as the entrance to the smart home has become the top brand in this group of "net celebrities" . According to GfK's national retail monitoring data, China's smart speaker market retail volume reached 1.65 million units in 2017. The popularity in 2018 has become more and more intense. Baidu, Ali, and Xiaomi respectively released their own strategic products in March. Therefore, the market size is expected to grow to 5.88 million units in 2018.
However, discerning music enthusiasts will find that most of the work it undertakes is "smart" rather than "sound". In other words, it is more like a tool and an assistant. You can molested it like Siri. You can ask the express train to order takeaways. But when you really want to hear "fever" music, many times you Will be disappointed. Some people would say that if you want to have a fever, you should use a big traditional speaker. However, under the general trend of portability and intelligence, some emerging and traditional audio equipment manufacturers are merging, integrating more Internet functions into traditional audio products, returning to the essence of audio in smart products, and pursuing perfect music playback. And high-performance audio solution manufacturers like ADI have also focused their attention on this emerging market.
It faces the home theater marketSince entering the theater in 2012, Dolby Atmos has received unanimous praise from all major Hollywood studios, 7 Oscar-winning directors, and 16 Oscar-winning mixers, and has become an identity symbol for high-end home theaters and audio systems. Dolby Atmos can reproduce fascinating multi-dimensional sounds, and cast and move specific sounds to any position in the room, including the top of the room, so that the audience can enjoy vibrant entertainment.
More than three years ago, ADI announced the launch of the first digital signal processor SHARC® 214xx series for Dolby® Atmos® content decoding applications, which can realize Dolby's latest cinema audio surround in AVR systems in the home theater market Sound processing technology. This series of products is the first to be used in many top audio system products in the world, including Denon and Marantz products. You can enjoy Dolby panoramic sound at home and experience the best sound effects.
The ADSP-21489 processor shown by ADI at CES2018 is used to improve wireless speakers.
Interestingly, at the Consumer Electronics Show (CES2018) at the beginning of the year, ADI exhibited solutions based on this series of products for soundbars, wireless speakers and smart speakers. The demonstration program uses the ADSP-21489 processor to improve wireless speakers. , To expand the horizontal and vertical sound levels while maintaining a natural sound. The core configuration of this top-level audio device is once again introduced to the wider consumer electronics market.
The traditional immersive panoramic sound audio system usually requires complicated speaker configuration, coupled with professional knowledge and skills. But ADI cooperates with industry-leading manufacturers to convert all audio content into immersive audio effects with the immersive audio virtualizer, and integrates brand-new audio processing technology and MPEG-H decoding technology on its ADSP-21584 processor.
ADI system application engineer Matt demonstrated Dolby Atmos based on ADSP-21584 soundbar at CES2018.
ADSP-21584 integrates two SHARC cores in a single chip package, both of which can run at 450MHz, providing sufficient performance support for key applications such as Dolby Atmos audio decoding and MPEG-H audio. On the sound bar on display, the ADSP-21584 processor implements Dolby Atmos audio decoding output on the 7.1.4 channel audio board. And use the same processor to decode and output MPEG-H audio. In another show, ADI used its ADSP-21489 processor to improve the horizontal and vertical sound level expansion of portable wireless speakers while maintaining the powerful performance of natural sound.
Although the market for small wireless smart home speakers has experienced rapid growth in recent years, there is no sign of declining momentum. However, due to size and cost constraints, it is extremely challenging for these audio systems to produce satisfactory sound. In order to improve the user experience of such speakers, Dolby Laboratories introduced Dolby sound technology for wireless speakers.
Just as Dolby Laboratories released the latest Dolby audio directional processing IP, ADI launched a low-cost version of the powerful floating-point SHARC processor ADSP-21485, which provides an ideal DSP solution for high-intensity processing needs, which helps significantly Improve the sound quality of the speaker system. The processor uses Dolby sound technology for wireless speakers to expand the horizontal and vertical sound fields of an audio system with a limited number of channels. Realize truly immersive sound effects through Dolby Virtualizer algorithm. In addition, dynamic content recognition and processing make consistent timbre and sound pressure levels that can be achieved regardless of the source material.
Josh Willmar, ADI Audio System Architect: Limited by size and cost,
Background: About the high-end audio core SHARC DSP processor
ADI SHARC® series processors are the leading products in the floating-point DSP market. They have extraordinary cores, storage performance and excellent I/O throughput. SHARC has successfully brought real-time floating-point processing performance to many applications, and dynamic range is the core of these applications. The latest generation of products integrates excellent performance and power efficiency and advanced DSP accelerators (FFT, FIR, IIR).
As a low-cost version of the powerful floating-point SHARC processor family, ADSP-21485 provides a channel for the recent hot wireless audio and smart audio system market this year to move towards high-performance audio product segments, using Dolby audio technology for wireless speakers , Enabling wireless audio systems with limited channels to achieve truly immersive sound effects through the Dolby Virtualizer algorithm, significantly improving the sound quality of the speaker system of wireless speakers.
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