# US 2021/0243542 A1 · Information providing method, information provision system, and information processing method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0243542 A1 - Document ID: US20210243542A1 - Status: Published application - Kind: A1 - Application number: 17/239,867 - Filed: 2021-04-26 - Published: 2021-08-05 - Earliest claimed: 2018-11-09 - Assignees: Yamaha Corporation - Applicants: Yamaha Corporation - Inventors: Yuki SETO; Takahiro IWATA - Web page: https://patentgrep.com/patent/US20210243542A1 ## CPC - H04R 27/00: Public address systems (circuits for preventing acoustic reaction H04R3/02; circuits for distributing signals to loudspeakers H04R3/12; {monitoring or testing arrangements for public address systems H04R29/007}; amplifiers H03F) - G06F 13/00: Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units (interface circuits for specific input/output devices G06F3/00 {; multiprogram control therefor G06F9/46}; multiprocessor systems G06F15/16 ) - H04W 4/029: Location-based management or tracking services - H04W 4/06: Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services - H04R 3/12: for distributing signals to two or more loudspeakers {(specially adapted for hearing aids H04R25/407)} - H04R 2430/03: Synergistic effects of band splitting and sub-band processing - H04R: LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS (producing sounds with frequency not determined by supply frequency G10K) - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract An information providing method receives, from a terminal apparatus, terminal position information representative of a position of the terminal apparatus; identifies, from among a plurality of pieces of distribution information stored in a reference table in which correspondences between the plurality pieces of distribution information and a plurality of pieces of sound output position information are registered, a piece of distribution information corresponding to a piece of sound output position information identified based on the position of the terminal apparatus represented by the received terminal position information; and transmitting the identified piece of distribution information to the terminal apparatus. Each of the plurality of pieces of distribution information relates to a position at which a corresponding one of sound output devices outputs sound, and each of the plurality of pieces of sound output position information is representative of a position at which the corresponding sound output device outputs the sound. ## Claims ### Claim 1 A computer-implemented information providing method, comprising: receiving, from a terminal apparatus, terminal position information representative of a position of the terminal apparatus; identifying, from among a plurality of pieces of distribution information stored in a reference table in which correspondences between the plurality pieces of distribution information and a plurality of pieces of sound output position information are registered, a piece of distribution information corresponding to a piece of sound output position information identified based on the position of the terminal apparatus represented by the received terminal position information, wherein: each of the plurality of pieces of distribution information relates to a position at which a corresponding one of sound output devices outputs sound, and each of the plurality of pieces of sound output position information is representative of a position at which the corresponding sound output device outputs the sound; and transmitting the identified piece of distribution information to the terminal apparatus. ### Claim 2 (depends on 1) The computer-implemented information providing method according to claim 1 wherein each of the plurality pieces of distribution information is related to sound output by the corresponding sound output device. ### Claim 3 (depends on 1) The computer-implemented information providing method according to claim 1, wherein the identifying of the piece of distribution information identifies, from among the plurality of pieces of sound output position information, a piece of sound output position information that represents a position closest to the position of the terminal apparatus represented by the received terminal position information; and further identifies, from among the plurality of pieces of distribution information, a piece of distribution information corresponding to the identified piece of sound output position information. ### Claim 4 (depends on 1) The computer-implemented information providing method according to claim 1 wherein each of the plurality of pieces of sound output position information identifies a mobile entity that moves while accommodating the terminal apparatus, the mobile entity being provided with at least one of the sound output devices. ### Claim 5 (depends on 1) The computer-implemented information providing method according to claim 1, wherein the terminal position information represents a position measured using a satellite positioning system. ### Claim 6 (depends on 1) The computer-implemented information providing method according to claim 1, further comprising: each time sound is output by one of the sound output devices, obtaining a piece of distribution information and a piece of sound output position information, wherein: the piece of distribution information relates to a position at which the respective sound is output, and the piece of sound output position information is representative of the position at which the respective sound is output; and registering a correspondence between the distribution information and the sound output position information in the reference table. ### Claim 7 (depends on 6) The computer-implemented information providing method according to claim 6, wherein: in a first period after receiving the terminal position information for the first time, each time a correspondence between the sound output position information and a piece of the distribution information identified based on the terminal position information is registered in the reference table, the transmitting of the identified piece of distribution information transmits the piece of distribution information to the terminal apparatus; and in a second period after the first period has elapsed, at each reception of the terminal position information from the terminal apparatus, the transmitting of the identified piece of distribution information transmits, to the terminal apparatus, a piece of the distribution information identified based on the terminal position information. ### Claim 8 (depends on 1) The computer-implemented information providing method according to claim 1, wherein the identifying of the piece of distribution information, in a case where there are registered in the reference table two or more pieces of distribution information that correspond to the identified piece of sound Output position information, identifies a piece of distribution information that is most recent from among the two or more pieces of distribution information. ### Claim 9 (depends on 1) The computer-implemented information providing method according to claim 1, wherein: the identifying of the piece of distribution information, in a case where the terminal position information represents a position within an overlapping range of, from among the sound output devices, a range within which a first sound output device outputs sound and a range within which a second sound output device outputs sound, identifies a first piece of distribution information corresponding, to a first piece of sound output position information of the first sound output device and a second piece of distribution information corresponding, to a second piece of sound output position information of the second sound output device, and the transmitting of the identified piece of distribution information transmits the first and second pieces of distribution information to the terminal apparatus. ### Claim 10 (depends on 1) The computer-implemented information providing method according to claim 1, wherein the transmitting of the identified piece of distribution information to the terminal apparatus transmits the identified piece of distribution information in a case where the terminal apparatus is in a first facility, the method further comprising transmitting a piece of distribution information to the terminal apparatus by sound communication using a sound output device in a case where the terminal apparatus is in a second facility. ### Claim 11 (depends on 1) The computer-implemented information providing method according to claim 1, wherein: the terminal apparatus determines whether a piece of distribution information transmitted by sound communication is extracted, and the receiving of the terminal position information receives the terminal position information transmitted from the terminal apparatus in a case where the distribution information is not extracted. ### Claim 12 An information provision system comprising: a receiver; a transmitter; and at least one processor configured to execute stored instructions to: control the receiver to receive terminal position, information representative of a position of the terminal apparatus; identify, from among a plurality of pieces of distribution information stored in a reference table in which correspondences between the plurality pieces of distribution information and a plurality of pieces of sound output position information are registered, a piece of distribution information corresponding to a piece of sound output position information identified based on the position of the terminal apparatus represented by the received terminal position information, wherein: each of the plurality of pieces of distribution information relates to a position at which a corresponding one of the sound output devices outputs sound, and each of the plurality of pieces of sound output position information is representative of a position at which the corresponding sound output device outputs sound; and control the transmitter to transmit the identified piece of distribution information to the terminal apparatus. ### Claim 13 An information processing method implemented by a broadcast system communicable with an information provision system configured to register in a reference table a correspondence between distribution information relating to a position at which a sound output device outputs sound, and sound output position information representative of the position at which the sound output device outputs the sound, the method comprising: outputting sound via a sound output device; and transmitting, to the information provision system, distribution information relating to a position at which the sound output device outputs sound and sound output position information representative of the position at which the sound is output.