Device for determining vital sign information of a subject, said device comprising: - an input interface for obtaining at least two detection signals derived from detected electromagnetic radiation transmitted through or reflected from a skin region of a subject, wherein each detection signal comprises wavelength-dependent reflection or transmission information in a different wavelength channel, - a first filter unit for filtering said at least two detection signals with a first filter to obtain at least two first bandwidth-limited detection signals (C f1), - a weight computation unit for computing weights (w) resulting, when applied in a weighted combination of said at least two first bandwidth-limited detection signals (C f1), in a first vital sign signal (S 1) having reduced distortions, - a vital sign signal computation unit for computing a second vital sign signal (S 2) different from the first vital sign signal (S 1) by using - either said first bandwidth-limited detection signals (C f1), if they include the frequency range of said second vital sign signal (S 2), to compute the first vital sign signal (S 1) as a weighted combination of said at least two first bandwidth-limited detection signals (C f1) using the computed weights (w) and to filter the computed first vital sign signal (S 1) with a second filter unit of the device to obtain the second vital sign signal (S 2), - or, otherwise, a weighted combination of at least two second bandwidth-limited detection signals (C f2) using said computed weights (w), the second bandwidth-limited detection signals obtained by filtering said at least two detection signals with a further second filter unit of the device, being differently bandwidth-limited than said first bandwidth-limited detection signals (C f1) and including the frequency range of said second vital sign signal (S 2), and - a vital sign determination unit for determining vital sign information from said second vital sign signal (S 2). - an input interface for obtaining at least two detection signals derived from detected electromagnetic radiation transmitted through or reflected from a skin region of a subject, wherein each detection signal comprises wavelength-dependent reflection or transmission information in a different wavelength channel, - a first filter unit for filtering said at least two detection signals with a first filter to obtain at least two first bandwidth-limited detection signals (C f1), - a weight computation unit for computing weights (w) resulting, when applied in a weighted combination of said at least two first bandwidth-limited detection signals (C f1), in a first vital sign signal (S 1) having reduced distortions, - a vital sign signal computation unit for computing a second vital sign signal (S 2) different from the first vital sign signal (S 1) by using - either said first bandwidth-limited detection signals (C f1), if they include the frequency range of said second vital sign signal (S 2), to compute the first vital sign signal (S 1) as a weighted combination of said at least two first bandwidth-limited detection signals (C f1) using the computed weights (w) and to filter the computed first vital sign signal (S 1) with a second filter unit of the device to obtain the second vital sign signal (S 2), - or, otherwise, a weighted combination of at least two second bandwidth-limited detection signals (C f2) using said computed weights (w), the second bandwidth-limited detection signals obtained by filtering said at least two detection signals with a further second filter unit of the device, being differently bandwidth-limited than said first bandwidth-limited detection signals (C f1) and including the frequency range of said second vital sign signal (S 2), and - a vital sign determination unit for determining vital sign information from said second vital sign signal (S 2).