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Has the sound of your loudspeaker ever sounded shrill, boomy, or tubby (think of how it sounds if you hold an empty paper towel roll up to your mouth and speak)? If so, the sound quality was degraded due to the speaker’s suboptimal frequency response.Ī good frequency response produces a neutral, flat, and more enjoyable sound. Being new to audio, Andri had to learn about audio engineering and acoustics before he could apply his simulation expertise to solve these issues. When developing a loudspeaker design, there are a few issues that can make or break the sound quality. (However, exceptional performance is just as important as minimal size.) How does Samsung balance these needs? This stands in direct contrast to the conventional wisdom that great sound requires large speakers. Hear (and see!) all about it in this video… Loudspeakers and Soundbars Present Many Design ChallengesĪs TVs are made thinner and thinner, the loudspeakers inside the TVs need to be designed smaller and smaller to fit.
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We visited the Samsung Audio Lab to learn about how they use multiphysics simulation, modeling, and applications to develop loudspeakers and other audio products. Devantier describes the simulation engineer as “the glue that brings everybody together.”
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In 2014, Andri Bezzola came onboard as an engineer specializing in simulation and numerical analysis. One way that the development team at Samsung Audio Lab took their cycle from “mono” to “stereo” was by adding a simulation engineer to their team. A team that brings a variety of expertise to the table.Multiphysics analyses that account for acoustics, electromagnetics, and vibrations.Repeated simulation, prototyping, testing, and validation.On the other hand, a “stereo” loudspeaker development process involves multiple interconnected sources working in parallel: A sole engineer running analyses for other team members.Looking at a single physics in the simulation of a complex system.Prototyping as the only way to test a design.“Mono” development entails designing a loudspeaker using only one channel, whether that “channel” is: We can use a similar analogy to describe the loudspeaker development process. Without getting into the details, a mono system has only one channel, limiting its capabilities, whereas a stereo system has multiple channels that can playback multiple sources in parallel through multiple speakers, producing a better sound experience. “Stereo” ApproachĪsk an audiophile if they prefer mono or stereo systems and they’ll bend your ear for the better part of a day. He assembled a team of engineers specializing in transducers, digital sound processing (DSP), acoustics, programming, and more - but there was still a missing piece to the puzzle…ĭeveloping a Loudspeaker: “Mono” vs. To do so, Allan Devantier, head of acoustics at Samsung Research America, built the Samsung Audio Lab in California from the ground up. However, Samsung has had a goal to be the number one audio company, too. When you hear the name Samsung, you probably think of smartphones and televisions.