Tensilica HiFi audio DSP adds Dolby Volume technology

Tensilica has announced that it will add Dolby Volume technology to its popular HiFi audio DSP (Digital Signal Processor). The technology was developed based on Dolby's software source code and passed Dolby certification. Dolby Volume technology is used in the SoC (System on Chip) design of home entertainment systems, digital TVs, and mobile digital TVs. The goal is that any content source can provide the same playback volume for the audience.

Larry Przywara, Senior Director of Multimedia Marketing at Tensilica, said: "All the time, viewers have been pursuing higher-quality volume fluctuation solutions. In the past, they had to constantly adjust the volume through the remote control as compensation, which not only destroyed the user's experience, but also It will cause potential hearing damage when users use headphones. Dolby Volume (Dolby Volume) solution, optimized for Tensilica HiFi DSP, ensures that users have the best listening experience at any volume level. "

P-Product President Michael Vulikh said: "Tensilica's HiFi architecture design is very suitable for Dolby Volume-like applications. HiFi's C-based programming model allows us to quickly develop and optimize, and can deliver on time." Tensilica Audio partner P-Product, transplanted and optimized Dolby Volume.

Gilles Baker, Senior Director of Dolby Laboratories ’Broadcasting Department, said:“ Adding Dolby Volume technology to Tensilica HiFi audio DSP continues to improve the Dolby solution based on Tensilica processor. As the demand for TensilicaHiFi DSP design continues to increase, we look forward to Dobly Volume Broader application prospects. "

The technologies behind Dolby Volume, such as loudness domain signal processing and auditory scene analysis, use advanced human auditory models based on psychoacoustics and auditory science. This allows Dolby technology to identify differences in sound sources to eliminate unnecessary human influences, such as breath sounds brought by pre-stage compression and expansion techniques.

Dolby Volume can also dynamically balance the low, medium and high frequency sounds of each channel to compensate for the effect of the ear on the sensitivity of different frequencies when adjusting the volume. Therefore, the nuances and effects of the original mix are maintained even when the volume is low.

TensilicaHiFi audio DSP provides a hardware platform for chip designers and system OEMs, it can efficiently run most audio standards, as well as proprietary audio processing algorithms. Tensilica's customers and partners have transplanted audio algorithm libraries of more than 80 different audio formats to the HiFi architecture, so designers can choose the application software they need. With the development of the market and the definition of new standards, they can be easily and quickly implanted into the HiFi architecture to design future chips.

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