Abstract: Some implementations relate to methods, systems, and computer-readable media for providing audio for virtual experiences. In some implementations, a method includes receiving, at a server, a first request to generate a plurality of sounds for a user device, wherein the user device is associated with a virtual experience hosted by the server, obtaining, by the server, sound source data for a plurality of sound sources associated with the plurality of sounds, obtaining, by the server, virtual experience state information that comprises a location of a virtual microphone in the virtual experience and at least one of a velocity of the virtual microphone in the virtual experience or an orientation of the virtual microphone in the virtual experience, generating, by the server, an audio mix of the plurality of sounds based on the sound source data and the virtual experience state information, and transmitting the audio mix to the user device.

Abstract: There is described a method of preparing solid particles of a compound, said method comprising controlling provision of a liquid phase, wherein said liquid phase comprises a solution of the compound, in a first flow direction to a membrane, said membrane defining a plurality of pores; and controlling the supersaturation of the liquid phase after it has passed through the membrane via the plurality of pores, to form solid particles of the compound. The method may comprise a continuous method.

Abstract: There is described a method of preparing lipid vesicles, said method comprising dispersing a first liquid phase in a second liquid phase; wherein said first liquid phase comprises a lipid phase and said second liquid phase comprises an aqueous phase; or said first liquid phase comprises an aqueous phase and said second liquid phase comprises a lipid phase; said method comprising controlling provision of the first liquid phase in a first flow direction to a membrane, said membrane defining a plurality of pores; and controlling provision of the second liquid phase to the membrane in a crossflow to the first flow direction, via the plurality of pores, to form a lipid vesicle suspension.