The present disclosure relates to methods, devices and systems for calculating or selecting a first set of chemical compounds for an odor additive. For example, a method identifies a second set of chemical compounds present in a sample and intensities of individual chemical compounds in the second s
The present disclosure relates to methods, devices and systems for calculating or selecting a first set of chemical compounds for an odor additive. For example, a method identifies a second set of chemical compounds present in a sample and intensities of individual chemical compounds in the second set of chemical compounds, and calculates the first set of chemical compounds for the odor additive such that an olfactory perception of a mixture of the sample and the odor additive is an olfactory white.
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1. A method for formulating an odor additive, the method comprising: obtaining a sample from an ambient environment, the sample comprising a first set of chemical compounds that collectively induce a first non-white olfactory perception;identifying individual chemical compounds present in the first
1. A method for formulating an odor additive, the method comprising: obtaining a sample from an ambient environment, the sample comprising a first set of chemical compounds that collectively induce a first non-white olfactory perception;identifying individual chemical compounds present in the first set of chemical compounds and respective intensities of the individual chemical compounds; andcalculating a second set of chemical compounds that collectively induce a second olfactory perception different from the first non-white olfactory perception for the odor additive, such that a third olfactory perception induced when the odor additive is introduced to the ambient environment is an olfactory white, wherein the calculating the second set of chemical compounds comprises: minimizing a difference between a vector projection of a mixture of the sample and the odor additive in a perceptual space with a vector projection of the olfactory white in the perceptual space. 2. The method of claim 1, further comprising: producing the odor additive, wherein the odor additive comprises the second set of chemical compounds. 3. The method of claim 2, wherein the odor additive comprises a mist or a spray. 4. The method of claim 2, wherein the odor additive comprises a food, a beverage, a paste, a gum, a spray or a sorbet. 5. The method of claim 1, wherein the perceptual space comprises a multidimensional space where each dimension is associated with a different olfactory or flavor perceptual descriptor. 6. The method of claim 1, wherein the perceptual space comprises a multidimensional space where at least one dimension is associated with at least two different olfactory or flavor perceptual descriptors. 7. The method of claim 1, wherein the calculating the second set of chemical compounds comprises determining a set of physicochemical properties for the odor additive, where the determining the set of physicochemical properties for the odor additive is based upon at least one correlation between the perceptual space and a physicochemical space. 8. The method of claim 7, wherein the physicochemical space comprises a multidimensional space where each dimensions is associated with a different physicochemical property. 9. The method of claim 7, wherein the physicochemical space comprises a normed multidimensional space where at least one dimension is associated with at least two different physicochemical properties. 10. The method of claim 1, wherein the calculating the second set of chemical compounds comprises: calculating a set of physicochemical properties for the odor additive such that a fourth olfactory perception of a mixture of the sample and the odor additive is the same as a fifth olfactory perception of only the olfactory white. 11. The method of claim 10, wherein the calculating the second set of chemical compounds further comprises: selecting individual chemical compounds for inclusion in the second set of chemical compounds such that, when combined, the odor additive comprises the set of physicochemical properties. 12. The method of claim 1, wherein the first set of chemical compounds is identified by gas chromatography. 13. The method of claim 1, wherein the second set of chemical compounds is calculated based upon an availability of one or more chemical compounds in the second set of chemical compounds or such that a cost of the second set of chemical compounds is minimized. 14. The method of claim 1, further comprising: determining a set of physicochemical properties of the first set of chemical compounds by performing a database lookup to match each of the individual chemical compounds with their respective physicochemical properties. 15. The method of claim 1, wherein the second set of chemical compounds is calculated over a time period, wherein the second set of chemical compounds that is calculated over the time period changes over the time period based upon a forecast of a third set of chemical compounds present in a future sample and intensities of individual chemical compounds in the third set of chemical compounds. 16. The method of claim 15, wherein the second set of chemical compounds and intensities of individual chemical compounds in the second set of chemical compounds over the time period are calculated to maximize an availability of the second set of chemical compounds over the time period or to minimize a cost of the second set of chemical compounds over the time period. 17. The method of claim 15, further comprising: obtaining an additional sample from the ambient environment at a time during the time period that is different from a time during the time period at which the sample is obtained, wherein the additional sample comprises a fourth set of chemical compounds that collectively induce a third non-white olfactory perception, wherein the additional sample is obtained prior to the calculating;identifying individual chemical compounds present in the fourth set of chemical compounds and respective intensities of the individual chemical compounds in the fourth set of chemical compounds, wherein the individual chemical compounds present in the fourth set of chemical compounds are identified prior to the calculating; andforecasting the third set of chemical compounds present in the future sample and the intensities of the individual chemical compounds in the third set of chemical compounds based on analysis of the first set of chemical compounds and the fourth set of chemical compounds, wherein the forecasting is performed prior to the calculating. 18. The method of claim 1, wherein there is a partial overlap between the chemical compounds in the mixture of the sample and the odor additive and chemical compounds in the olfactory white. 19. The method of claim 1, wherein there is a partial overlap between components of the first set of chemical compounds and the second set of chemical compounds.
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