Abstract: The present technique relates to an information processing apparatus, an information processing terminal, an information processing method, and a program which enable a sound content in accordance with an action by a participant in a conversation to be output in an immersive state. An information processing apparatus according to an aspect of the present technique includes: a storage unit configured to store HRTF data corresponding to a plurality of positions based on a listening position; and a sound image localization processing unit configured to provide, by performing sound image localization processing using the HRTF data selected in accordance with an action by a specific participant among participants of a conversation having participated via a network, a sound content selected in accordance with the action so that a sound image is localized at a prescribed position. The present technology can be applied to a computer which conducts a remote conference.

Abstract: It is possible for a user to measure his/her head-related transfer characteristics with high accuracy. There is provided an information processing device 10 including: an interface control unit 140 that controls a user interface related to measurement of a head-related transfer function of a user, in which the interface control unit controls an output of guide information guiding a direction of a head of the user to a designated direction. In addition, there is provided an information processing method including: controlling a user interface related to measurement of a head-related transfer function of a user by a processor 871, in which the controlling of the user interface further includes controlling an output of guide information guiding a direction of a head of the user to a designated direction.

Abstract: A measurement device according to an embodiment includes: a base portion (10), a plurality of pillars (20, 30, 40) in an arc shape not directly facing one another having one end of each connected to the base portion and the other end of each coupled by a coupling portion (60), and a plurality of speakers (70) provided on each of the pillars and having distances to a certain location substantially uniform.

Abstract: It is possible for a user to measure his/her head-related transfer characteristics with high accuracy. There is provided an information processing device 10 including: an interface control unit 140 that controls a user interface related to measurement of a head-related transfer function of a user, in which the interface control unit controls an output of guide information guiding a direction of a head of the user to a designated direction. In addition, there is provided an information processing method including: controlling a user interface related to measurement of a head-related transfer function of a user by a processor 871, in which the controlling of the user interface further includes controlling an output of guide information guiding a direction of a head of the user to a designated direction.

Abstract: The present disclosure relates to a signal processing device, a signal processing method, and a program that make it possible to readily achieve personalization of head-related transfer functions in all bands. A synthesis unit generates a third head-related transfer function by synthesizing a characteristic of a first band extracted from a first head-related transfer function of a user and a characteristic of a second band other than the first band extracted from a second head-related transfer function measured in a second measurement environment different from a first measurement environment in which the first head-related transfer function is measured. The present disclosure may be applied to, for example, a mobile terminal such as a smartphone.

Abstract: The present feature relates to an information processing device, an output control method, and a program that allow a sense of distance about a sound source to be appropriately reproduced. An information processing device according to the present feature causes a speaker provided in a listening space to output sound of a prescribed sound source which constitutes the audio of a content and an output device for each listener to output sound of a virtual sound source different from the prescribed sound source, wherein the sound of the virtual sound source is generated by processing using a transfer function corresponding to a sound source position. The present disclosure is applicable to an acoustic processing system in a movie theater.

Abstract: Sound is flexibly reproduced. A sound processing device (10) according to an embodiment includes: an acquisition part (111) that acquires parameters relating to a way of sounding of sound from first sound data obtained by actual measurement; an adjustment part (1121) that adjusts the parameters in accordance with a space for reproduction; a synthesis part (1122) that generates third sound data from second sound data on the basis of parameters having been adjusted by the adjustment part (1121); and an output part (113) that reproduces the third sound data.

Abstract: An acoustic processing apparatus (1) according to the present disclosure includes an acquisition unit (41), a storage unit (3), and a processing unit (42). The acquisition unit (41) acquires location information regarding a location viewed by a user who listens to an acoustic content. The storage unit (3) stores acoustic information (34) regarding acoustics at the location. The processing unit (42) converts an acoustic characteristic of the acoustic content into an acoustic characteristic in accordance with the location on the basis of the acoustic information (34) and regenerates a sound field.

Abstract: It is possible for a user to measure his/her head-related transfer characteristics with high accuracy. There is provided an information processing device 10 including: an interface control unit 140 that controls a user interface related to measurement of a head-related transfer function of a user, in which the interface control unit controls an output of guide information guiding a direction of a head of the user to a designated direction. In addition, there is provided an information processing method including: controlling a user interface related to measurement of a head-related transfer function of a user by a processor 871, in which the controlling of the user interface further includes controlling an output of guide information guiding a direction of a head of the user to a designated direction.

Abstract: The present technology relates to a signal processing apparatus and method that are capable of reproducing sound at an optional listening position with a high sense of reality. The signal processing apparatus includes a rendering unit that generates reproduction data of sound at an optional listening position in a target space on the basis of recording signals of microphones attached to a plurality of moving bodies in the target space. The present technology can be applied to a reproduction apparatus.

Abstract: A measurement device according to an embodiment includes: a base portion (10), a plurality of pillars (20, 30, 40) in an arc shape not directly facing one another having one end of each connected to the base portion and the other end of each coupled by a coupling portion (60), and a plurality of speakers (70) provided on each of the pillars and having distances to a certain location substantially uniform.

Abstract: The present disclosure relates to a signal processing device, a signal processing method, and a program that make it possible to readily achieve personalization of head-related transfer functions in all bands. A synthesis unit generates a third head-related transfer function by synthesizing a characteristic of a first band extracted from a first head-related transfer function of a user and a characteristic of a second band other than the first band extracted from a second head-related transfer function measured in a second measurement environment different from a first measurement environment in which the first head-related transfer function is measured. The present disclosure may be applied to, for example, a mobile terminal such as a smartphone.

Abstract: The present technology relates to a signal processing apparatus and method, and a program that are capable of reproducing sound at an optional listening position with a high sense of reality. The signal processing apparatus includes a rendering unit that generates reproduction data of sound at an optional listening position in a target space on the basis of recording signals of microphones attached to a plurality of moving bodies in the target space. The present technology can be applied to a reproduction apparatus.

Abstract: To provide a sound pickup device which is worn on an ear of a user and used. A sound pickup device includes: a sound pickup part; and a holding part that includes a sound transmission part and is configured to hold the sound pickup part in an ear canal of a user. The holding part includes a ring body having an opening portion that serves as the sound transmission part, and one or more arms each of which has one end coupled to the ring body and another end supporting the sound pickup part. The ring body is inserted into a cavum concha of the user and is locked in a vicinity of an intertragic notch. The holding part holds the sound pickup part so that a microphone hole is oriented to outside of the ear canal and the microphone hole is positioned on a farther side of an entrance of the ear canal.

Abstract: An information processing apparatus includes a processor that controls display of a graphic including a single shape, where the single shape corresponds to a plurality of content output characteristic adjusting parameters. The processor also modifies the single shape included in the graphic displayed on the display based on input information, and adjusts at least one content output characteristic adjusting parameter of reproduced content based on the input information.

Abstract: Provided is an acoustic transducer which is used by being fitted into an ear of a listener, is formed in a compact and lightweight shape, and preferably prevents re-reflection of a sound wave. An acoustic transducer 100 is formed of a film-shaped material having an expanding and contracting action and includes a cylindrical acoustic transducing element 101. The cylindrical acoustic transducing element 101 also functions as a sound guide tube. The acoustic transducing element 101 prevents re-reflection of the sound wave reflected by an eardrum when the sound wave has been generated and prevents localization phenomenon and a feeling of pressure in auditory sense.

Abstract: To provide a sound pickup device which is worn on an ear of a user and used. A sound pickup device includes: a sound pickup part; and a holding part that includes a sound transmission part and is configured to hold the sound pickup part in an ear canal of a user. The holding part includes a ring body having an opening portion that serves as the sound transmission part, and one or more arms each of which has one end coupled to the ring body and another end supporting the sound pickup part. The ring body is inserted into a cavum concha of the user and is locked in a vicinity of an intertragic notch. The holding part holds the sound pickup part so that a microphone hole is oriented to outside of the ear canal and the microphone hole is positioned on a farther side of an entrance of the ear canal.

Abstract: Provided is an acoustic transducer which is used by being fitted into an ear of a listener, is formed in a compact and lightweight shape, and preferably prevents re-reflection of a sound wave. An acoustic transducer 100 is formed of a film-shaped material having an expanding and contracting action and includes a cylindrical acoustic transducing element 101. The cylindrical acoustic transducing element 101 also functions as a sound guide tube. The acoustic transducing element 101 prevents re-reflection of the sound wave reflected by an eardrum when the sound wave has been generated and prevents localization phenomenon and a feeling of pressure in auditory sense.

Abstract: An audio-signal processing device includes a decoding unit that decodes a compressed audio stream to obtain audio signals for a predetermined number of channels; a signal processing unit that generates 2-channel audio signals including left-channel audio signals and right-channel audio signals, on the basis of the predetermined-number-of-channels audio signals; and a coefficient setting unit that sets filter coefficients corresponding to the impulse responses for the digital filters, on the basis of format information of the compressed audio stream. The signal processing unit uses digital filters to convolve impulse responses for paths from sound-source positions of the channels to the left and right ears of a listener with the corresponding predetermined-number-of-channels audio signals and adds corresponding results of the convolutions for the channels to generate the left-channel audio signals and the right-channel audio signals.

Abstract: There is provided an audio signal processing device for setting, upon outputting audio signals from a left speaker and a right speaker each having an identical amplitude-frequency characteristic and a phase characteristic, and from one center speaker arranged between the left speaker and the right speaker, listening points between the left speaker and the center speaker and between the right speaker and the center speaker, the audio signal processing device including an inverse filter processing unit configured to provide inverse characteristics of an amplitude-frequency characteristic and a phase characteristic of the center speaker, and a speaker characteristic adding processing unit configured to correct the amplitude-frequency characteristic and the phase characteristic of an audio signal of the center speaker that have been processed by the inverse filter processing unit in a manner that they correspond to characteristics of the left speaker and the right speaker.