Abstract: Systems, devices, and methods for capturing audio which can be used in applications such as virtual reality, augmented reality, and mixed reality systems. Some systems can include a plurality of distributed monitoring devices. Each monitoring device can include a microphone and a location tracking unit. The monitoring devices can capture audio signals in an environment, as well as location tracking signals which respectively indicate the locations of the monitoring devices over time during capture of the audio signals. The system can also include a processor to receive the audio signals and the location tracking signals. The processor can determine one or more acoustic properties of the environment based on the audio signals and the location tracking signals.

Abstract: Systems, devices, and methods for capturing audio which can be used in applications such as virtual reality, augmented reality, and mixed reality systems. Some systems can include a plurality of distributed monitoring devices. Each monitoring device can include a microphone and a location tracking unit. The monitoring devices can capture audio signals in an environment, as well as location tracking signals which respectively indicate the locations of the monitoring devices over time during capture of the audio signals. The system can also include a processor to receive the audio signals and the location tracking signals. The processor can determine one or more acoustic properties of the environment based on the audio signals and the location tracking signals.

Abstract: Systems, devices, and methods for capturing audio which can be used in applications such as virtual reality, augmented reality, and mixed reality systems. Some systems can include a plurality of distributed monitoring devices. Each monitoring device can include a microphone and a location tracking unit. The monitoring devices can capture audio signals in an environment, as well as location tracking signals which respectively indicate the locations of the monitoring devices over time during capture of the audio signals. The system can also include a processor to receive the audio signals and the location tracking signals. The processor can determine one or more acoustic properties of the environment based on the audio signals and the location tracking signals.

Abstract: Systems and methods for capturing audio which can be used in applications such as virtual reality, augmented reality, and mixed reality systems. Some systems may include a plurality of distributed monitoring devices in an environment, each having a microphone and a location tracking unit. The system can capture audio signals while also capturing location tracking signals which indicate the locations of the monitoring devices over time during capture of the audio signals. The system can generate a representation of at least a portion of a sound wave field in the environment based on the audio signals and the location tracking signals. The system may also determine one or more acoustic properties of the environment based on the audio signals and the location tracking signals.

Abstract: Systems and methods for capturing audio which can be used in applications such as virtual reality, augmented reality, and mixed reality systems. Some systems may include a plurality of distributed monitoring devices in an environment, each having a microphone and a location tracking unit. The system can capture audio signals while also capturing location tracking signals which indicate the locations of the monitoring devices over time during capture of the audio signals. The system can generate a representation of at least a portion of a sound wave field in the environment based on the audio signals and the location tracking signals. The system may also determine one or more acoustic properties of the environment based on the audio signals and the location tracking signals.

Abstract: Systems and methods for modular projection that enable a flexible and extendible modular picoprojector system with multiple projector modules and application modules that may be interconnected in a variety of ways for various applications and use models. The systems and methods include connectors and interfaces that enable rapid design of various types of modules for a modular picoprojection system. The systems and methods also include orientation and compatibility features that may be employed in a modular picoprojection system to control connections of various modules with specific features and functions.

Abstract: Systems and methods for modular projection that enable a flexible and extendible modular picoprojector system with multiple projector modules and application modules that may be interconnected in a variety of ways for various applications and use models. The systems and methods include connectors and interfaces that enable rapid design of various types of modules for a modular picoprojection system. The systems and methods also include orientation and compatibility features that may be employed in a modular picoprojection system to control connections of various modules with specific features and functions.

Abstract: A process is disclosed for converting standard musical notes to natural musical notes based upon Rod formats. A signal of standard musical notes is input and the frequency of each note in the signal is analyzed. A Rod format natural harmonic resonance is selected and the frequency of each note in the signal is converted to a natural frequency corresponding to the selected Rod format natural harmonic resonance. A signal consisting of the converted notes is output. An apparatus capable of performing the inventive process on a signal of standard musical notes includes a signal input port and a signal output port, means for converting the frequency of standard musical notes to a corresponding natural frequency corresponding to a Rod format, means for selecting a Rod format natural harmonic resonance, and a frequency analyzer.

Abstract: A process for converting standard musical notes to Ra format musical notes comprising inputting a signal of standard musical notes, analyzing the frequency of each note in the signal, selecting a Ra format natural harmonic resonance, converting the frequency of each note in the signal to a Ra format frequency corresponding to the selected Ra format natural harmonic resonance, and outputting signal consisting of the converted notes. An apparatus including a processor capable of performing the inventive process on a signal of standard musical notes. The apparatus (12) includes a signal input port (14) and a signal output port, means for converting the frequency of standard musical notes to a corresponding frequency of Ra musical notes, means for selecting a Ra format natural harmonic resonance, and a frequency analyzer (26).

Abstract: A process is disclosed for converting standard musical notes to natural musical notes based upon Rod formats. A signal of standard musical notes is input and the frequency of each note in the signal is analyzed. A Rod format natural harmonic resonance is selected and the frequency of each note in the signal is converted to a natural frequency corresponding to the selected Rod format natural harmonic resonance. A signal consisting of the converted notes is output. An apparatus capable of performing the inventive process on a signal of standard musical notes includes a signal input port and a signal output port, means for converting the frequency of standard musical notes to a corresponding natural frequency corresponding to a Rod format, means for selecting a Rod format natural harmonic resonance, and a frequency analyzer.

Abstract: A process for converting standard musical notes to Ra format musical notes comprising inputting a signal of standard musical notes, analyzing the frequency of each note in the signal, selecting a Ra format natural harmonic resonance, converting the frequency of each note in the signal to a Ra format frequency corresponding to the selected Ra format natural harmonic resonance, and outputting signal consisting of the converted notes. An apparatus including a processor capable of performing the inventive process on a signal of standard musical notes. The apparatus (12) includes a signal input port (14) and a signal output port, means for converting the frequency of standard musical notes to a corresponding frequency of Ra musical notes, means for selecting a Ra format natural harmonic resonance, and a frequency analyzer (26).

Abstract: A compressor for compressing a gas comprises an impeller wheel (1) mounted within a housing (2) defining an inlet and an outlet (6). The inlet comprises an outer tubular wall (7) extending away from the impeller wheel in an upstream direction and forming a gas intake portion (8) of the inlet, and an inner tubular wall (9) of diameter D extending away from the impeller wheel in an upstream direction within the outer tubular wall (7) and defining an inducer portion (10) of the inlet. An annular gas flow passage (11) is defined between the inner and outer tubular walls (9, 7) and has an upstream end and a downstream end separated by a length L1 measured along its axis. The upstream end of the annular passage (11) communicates with the intake or inducer portions of the inlet through at least one upstream aperture and at least one downstream aperture (13) communicates between a downstream portion of the annular flow passage (11) and the impeller.

Abstract: A process for converting standard musical notes to Ra format musical notes comprising inputting a signal of standard musical notes, analyzing the frequency of each note in the signal, selecting a Ra format natural harmonic resonance, converting the frequency of each note in the signal to a Ra format frequency corresponding to the selected Ra format natural harmonic resonance, and outputting a signal consisting of the converted notes. A apparatus including a processor capable of performing the inventive process on a signal of standard musical notes. The apparatus including a signal input port and a signal output port, means for converting the frequency of standard musical notes to a corresponding frequency of Ra musical notes, means for selecting a Ra format natural harmonic resonance, and a frequency analyzer.

Abstract: A media hold down system includes electrodes configured to create an electric field at a surface and a vacuum source configured to create a vacuum at the surface.

Abstract: A compressor for compressing a gas comprises an impeller wheel (1) mounted within a housing (2) defining an inlet and an outlet (6). The inlet comprises an outer tubular wall (7) extending away from the impeller wheel in an upstream direction and forming a gas intake portion (8) of the inlet, and an inner tubular wall (9) of diameter D extending away from the impeller wheel in an upstream direction within the outer tubular wall (7) and defining an inducer portion (10) of the inlet. An annular gas flow passage (11) is defined between the inner and outer tubular walls (9, 7) and has an upstream end and a downstream end separated by a length L1 measured along its axis. The upstream end of the annular passage (11) communicates with the intake or inducer portions of the inlet through at least one upstream aperture and at least one downstream aperture (13) communicates between a downstream portion of the annular flow passage (11) and the impeller.