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SafeSound (SFS)

SafeSound (SFS)

 

Researches and government health agencies all agree that normal conversations are happening at around 60dB and exposure to sound level up to 75dB remains safe for human auditory system. However, permanent hearing loss will start when exposed to sound at 85dB or above, and sound level (above 85dB) x time of exposure = level of permanent hearing loss. It also occurs that users tend to increase audio playback volume when in a noisy environment. SFSound exploits human’s psychoacoustic behavior to increase the user’s perceived volume while maintaining a reduced harmful sound level. SFSound shares the same fundamental intellectual property as CFSound. Application areas for SFSound would be handheld infotainment equipment, automobile electronics, home entertainment electronics, etc.

 

SFSound technology is also a licensable SW right now, can be implemented on either the application processor chip or the analog-digital interface CODEC chip. Longer term, a licensable IP for chip-set makers to integrate into their own chip will also be available.

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