The present disclosure relates to electrolarynx devices, systems, and their use. In particular, the present disclosure relates to methods and compositions (e.g., devices) that provide electrolarynx (EL) users with improved speech quality.

Provided is an information processing apparatus that is used by being adhered to the body of a user. The information processing apparatus includes a sound pickup sensor that has a sound pickup function, a communicating part that wirelessly transmits audio data picked up by the sound pickup sensor to the outside, a control part that controls the sound pickup sensor and the communicating part, a power source part that supplies a power source to at least one of the sound pickup sensor, the communicating part, or the control part, a housing part that accommodates therein at least one of the sound pickup sensor, the communicating part, the control part, or the power source part, and an adhering part that fixes the housing part to the user. The sound pickup part picks up a sound of the user using, for example, flesh conduction or bone conduction.

Provided are a pickup sensor and a biological sensor that are small-sized and can detect micro vibration efficiently and stably with high accuracy. The pickup sensor includes an electroacoustic converter film including: a piezoelectric polymer composite in which piezoelectric particles are dispersed in a viscoelastic matrix that is formed of a polymer material having viscoelasticity at normal temperature; two thin film electrodes that are laminated on opposite surfaces of the piezoelectric polymer composite, respectively; and a protective layer that is laminated on at least one of the two thin film electrodes, in which at least a part of a surface of the electroacoustic converter film is an abutting surface that abuts against a test object, and the thin film electrode on a surface opposite to the abutting surface is grounded.

Provided are a pickup sensor and a biological sensor that are small-sized and can detect micro vibration efficiently and stably with high accuracy. The pickup sensor includes an electroacoustic converter film including: a piezoelectric polymer composite in which piezoelectric particles are dispersed in a viscoelastic matrix that is formed of a polymer material having viscoelasticity at normal temperature; two thin film electrodes that are laminated on opposite surfaces of the piezoelectric polymer composite, respectively; and a protective layer that is laminated on at least one of the two thin film electrodes, in which at least a part of a surface of the electroacoustic converter film is an abutting surface that abuts against a test object, and the thin film electrode on a surface opposite to the abutting surface is grounded.

An apparatus is described which comprises the following: (a) a housing configured to be carried in an ear, (b) a motion sensor unit for acquiring motion data, (c) a physiological sensor unit for acquiring physiological data, (d) a data processing unit configured to generate performance data based on the motion data and/or the physiological data, (e) a signal processing unit configured to generate an audio signal based on the generated performance data, and (f) a loudspeaker for outputting the generated audio signal, wherein the motion sensor unit, the physiological sensor unit, the loudspeaker, the data processing unit, and the signal processing unit are incorporated in the housing. Furthermore, a system, a method and a use is described.

A system for monitoring dietary activity of a user includes a wearable device having at least one audio input unit configured to record an audio sample corresponding to audio from a user's neck. The system further includes a processor configured to execute programmed instructions stored in a memory to obtain an audio sample from the audio input unit of a wearable device, determine segmental feature values of a set of selected features from the audio sample by extracting short-term features in the set of selected features from the audio sample and determining the segmental feature values of the set of selected features from the extracted short-term features. The processor is further configured to, using a classifier, classify a dietary activity based on the determined segmental feature values of the audio sample and generate an output corresponding to the classified dietary activity.

A headset main body includes a PTT switch, bone conduction speakers, a first connector to be coupled with a microphone, and a second connector to be coupled with a transceiver. A sleeve of the first connector is coupled to a sleeve of the second connector. A ring of the first connector is coupled to a ground. A chip of the first connector is coupled to a ring of the second connector, and the chip of the first connector is further coupled, via the PTT switch, to the ground.

A bone conduction headset includes a support member having a U-shape, a pair of speakers of bone conduction type respectively provided to a first end and a second end of the support member, the second end being opposite to the first end, a microphone coupled to the first end, and a mute switch provided to either the first end or the second end, and configured to perform a control to lower volume on the speakers of bone conduction type.

A bone conduction headset includes a support member having a U-shape, a pair of speakers of bone conduction type respectively provided to a first end and a second end of the support member, the second end being opposite to the first end, a microphone coupled to the first end, and a mute switch provided to either the first end or the second end, and configured to perform a control to lower volume on the speakers of bone conduction type.

A bone conduction microphone is configured to convert vocal cord vibration into a sound signal. The bone conduction microphone includes a vibration collection unit configured to come into contact with a human body and collect vibration in a predetermined direction, which is included in the vocal cord vibration, and a switch configured to switch whether collection of the vibration in the predetermined direction is enabled. The switch is disposed on a side of the vibration collection unit, which is opposite to a side configured to come into contact with the human body, to allow a direction of an operation of switching whether collection of the vibration in the predetermined direction is enabled to be parallel to the predetermined direction.