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While room correction is an essential addition to any surround processor, most processors add noise to a system that high quality stereo pre amps don’t, another barrier for use in systems with great stereo performance. Because the signal was in the digital domain, room correction could be added without the noise of extra A/D and D/A to the signal path. Lyngdorf created the first fully digital amplifier, the Millennium, in 1998 which reproduced music with none of the noise inherent in analogue amplifiers. Steinway Lyngdorf and Lyngdorf products with RoomPerfect are totally silent. This gives true stereo bass down to 20Hz. In systems where dual subs are used, RoomPerfect is unique in seamlessly blending the right-hand sub to all speakers on the right of the room and vice versa. RoomPerfect is also unique in measuring and correcting the speakers with the subs so they are perfectly integrated. The process typically takes 15 minutes for stereo and under an hour for the largest Dolby Atmos systems. Room errors are a three-dimensional problem so measurement across all of the room is required.
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Then the full height, width and length of the room is captured. This captures the characteristics of the speakers with the addition you would expect from the room they are used in. RoomPerfect requires the mic to be pointed at the speakers for the first reading. This led to a complete rethink of their approach to room correction.Īfter four years research and an investment of $9,000,000, RoomPerfect was patented with 54 separate elements protected by one of the largest patents in the history of audio. Demonstrating the technology in his stores, listeners commented that all the speakers sounded virtually identical after set-up. This approach is the one all correction systems still use. In a home cinema this may not be an issue, but where people have spent years finding their favourite speakers, customers were not happy that the sound of their speakers had changed. The system works by changing the sound of your speakers to try and match the target curve that the correction system has stored. This process didn’t capture the sound of the speakers, so their characteristics couldn’t be preserved. This process was then repeated across the seating area. The measurement process took a reading with a mic at the listening position, firing towards the ceiling. The system was very complex to set up, but the biggest problem was that it changed the sound of the loudspeakers that were being used. Three years later they released the world’s first full range digital room correction system. This led to his research into room correction for high end stereo systems in 1990.
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Rob Sinden of Gecko Home Cinema, UK supplier of Lyngdorf, which includes its RoomPerfect technology.Īs the owner of DALI loudspeakers, Peter Lyngdorf was disappointed that customers didn’t hear the speakers they bought at their best in their homes. But, how do they work? Which one is the best? EI invited those in the know to explain the benefits. One of the hottest subjects in the industry right now is room correction, taking high-performance systems and tuning them specifically for the environment they are to be located in. Advice & Opinion Features Guides 17 min read