# US 2022/0092952 A1 · Decoding device, decoding method, and program > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2022/0092952 A1 - Document ID: US20220092952A1 - Status: Published application - Kind: A1 - Application number: 17/422,155 - Filed: 2020-01-10 - Published: 2022-03-24 - Earliest claimed: 2019-01-17 - Assignees: Sony Group Corporation - Applicants: Sony Group Corporation - Inventors: Shuichiro Nishigori; Ikuo Yamano; Shiro Suzuki; Hirofumi Takeda; Takahiro Watanabe - Web page: https://patentgrep.com/patent/US20220092952A1 ## CPC - G08B 6/00: Tactile signalling systems, e.g. tactile personal calling systems - H03M 7/30: Compression (speech analysis-synthesis for redundancy reduction G10L19/00; for image communication H04N); Expansion; Suppression of unnecessary data, e.g. redundancy reduction - G06F 3/016: {Input arrangements with force or tactile feedback as computer generated output to the user} - A63F 13/285: Generating tactile feedback signals via the game input device, e.g. force feedback - H03M 7/40: Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code - G08B: SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS - H03M: CODING; DECODING; CODE CONVERSION IN GENERAL (using fluidic means F15C4/00; optical analogue/digital converters G02F7/00; coding, decoding or code conversion, specially adapted for particular applications, see the relevant subclasses, e.g. G01D, G01R, G06F, G06T, G09G, G10L, G11B, G11C, H04B, H04L, H04M, H04N; ciphering or deciphering for cryptography or other purposes involving the need for secrecy G09C) - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - A63F: CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR ## Abstract Provided is a decoding device including a decoding unit configured to decode encoded data in which a differential signal that includes a differential between a tactile signal and a reference signal has been encoded, and a signal addition unit configured to add the reference signal and the differential signal. In addition, provided is a decoding method by a processor, the decoding method including decoding encoded data in which a differential signal that includes a differential between a tactile signal and a reference signal has been encoded, and adding the reference signal and the differential signal that has been decoded. ## Claims ### Claim 1 A decoding device comprising: a decoding unit configured to decode encoded data in which a differential signal that includes a differential between a tactile signal and a reference signal has been encoded; and a signal addition unit configured to add the reference signal and the differential signal. ### Claim 2 (depends on 1) The decoding device according to claim 1, further comprising a reference signal generation unit configured to generate the reference signal on a basis of information regarding the reference signal that has been received, wherein in a case where a plurality of candidate signals for the reference signal is present, the reference signal includes any signal of the plurality of candidate signals, and the signal addition unit adds the reference signal that has been generated by the reference signal generation unit and the differential signal. ### Claim 3 (depends on 2) The decoding device according to claim 2, wherein the reference signal includes a signal having a smaller differential from the tactile signal than another candidate signal, and the reference signal generation unit generates the reference signal having the smaller differential from the tactile signal than the another candidate signal on a basis of the information regarding the reference signal that has been received. ### Claim 4 (depends on 3) The decoding device according to claim 3, wherein the reference signal includes a signal having a smaller differential in an amplitude, a phase, and a duration from the tactile signal than the another candidate signal, and the reference signal generation unit generates the reference signal having the smaller differential in the amplitude, the phase, and the duration from the tactile signal than the another candidate signal on a basis of the information regarding the reference signal that has been received. ### Claim 5 (depends on 3) The decoding device according to claim 3, wherein the reference signal includes a signal having a smaller differential in energy from the tactile signal than the another candidate signal, and the reference signal generation unit generates the reference signal having the smaller differential in the energy from the tactile signal than the another candidate signal on a basis of the information regarding the reference signal that has been received. ### Claim 6 (depends on 2) The decoding device according to claim 2, wherein the reference signal includes a signal corresponding to a parameter of the reference signal, the information regarding the reference signal includes information indicating the parameter of the reference signal, and the reference signal generation unit generates the reference signal corresponding to the parameter of the reference signal on a basis of the information indicating the parameter of the reference signal that has been received. ### Claim 7 (depends on 6) The decoding device according to claim 6, wherein the reference signal includes an attenuated sinusoidal signal corresponding to the parameter of the reference signal, the reference signal generation unit generates the attenuated sinusoidal signal corresponding to the parameter of the reference signal, and the signal addition unit adds the attenuated sinusoidal signal that has been generated by the reference signal generation unit and the differential signal. ### Claim 8 (depends on 7) The decoding device according to claim 7, wherein the parameter of the reference signal includes parameters indicating a frequency, a phase, and a duration of the attenuated sinusoidal signal, and the reference signal generation unit generates the attenuated sinusoidal signal having the frequency, the phase, and the duration indicated by the parameters of the reference signal. ### Claim 9 (depends on 6) The decoding device according to claim 6, wherein the parameter of the reference signal includes a parameter corresponding to a predetermined scene, the reference signal includes a signal that has been generated on a basis of the parameter corresponding to the predetermined scene, the reference signal generation unit generates the reference signal corresponding to the predetermined scene indicated by the parameter of the reference signal, and the signal addition unit adds the reference signal corresponding to the predetermined scene that has been generated by the reference signal generation unit and the differential signal. ### Claim 10 (depends on 9) The decoding device according to claim 9, wherein the parameter of the reference signal includes parameters further indicating identification information corresponding to the predetermined scene and a duration of the reference signal, and the reference signal generation unit generates the reference signal corresponding to the identification information and the duration indicated by the parameters of the reference signal. ### Claim 11 (depends on 6) The decoding device according to claim 6, wherein in a case where a plurality of the tactile signals is present, the reference signal includes any tactile signal, the parameter of the reference signal includes a parameter indicating the reference signal corresponding to which tactile signal of the plurality of the tactile signals, and the signal addition unit adds the reference signal corresponding to the tactile signal that has been generated by the reference signal generation unit and the differential signal. ### Claim 12 (depends on 11) The decoding device according to claim 11, wherein the parameter of the reference signal includes parameters further indicating an attenuation rate and a time difference with respect to the tactile signal indicated by the parameter of the reference signal, and the reference signal generation unit generates the reference signal that is attenuated with respect to the tactile signal and that is delayed in starting vibration on a basis of the attenuation rate and the time difference indicated by the parameters of the reference signal. ### Claim 13 (depends on 1) The decoding device according to claim 1, wherein the encoded data includes data in which the tactile signal on a predetermined frequency band has been encoded, and the decoding unit decodes the encoded data in which the tactile signal on the predetermined frequency band has been encoded. ### Claim 14 (depends on 13) The decoding device according to claim 13 further comprising a high-band signal decoding unit configured to decode data in which the tactile signal corresponding to a frequency band larger than the predetermined frequency band has been encoded, wherein the encoded data includes data in which the tactile signal corresponding to a band equal to or smaller than the predetermined frequency band has been encoded, and the decoding unit decodes the encoded data in which the tactile signal corresponding to the frequency band smaller than the predetermined frequency band has been encoded. ### Claim 15 (depends on 2) The decoding device according to claim 2, wherein the information regarding the reference signal includes information indicating an amplitude adjustment value, the decoding device further comprising an amplitude adjustment unit configured to adjust a maximum value of an amplitude of a signal that has been generated by addition of the signal addition unit to be substantially same with a maximum value of an amplitude of the tactile signal on a basis of the information indicating the amplitude adjustment value that has been received. ### Claim 16 (depends on 1) The decoding device according to claim 1, wherein the encoded data includes data in which variable length encoding has been conducted on the differential signal, and the decoding unit decodes the encoded data in which the variable length encoding has been conducted. ### Claim 17 (depends on 2) The decoding device according to claim 2, further comprising a storage unit configured to store information regarding the reference signal, wherein the signal addition unit adds the reference signal based on the information regarding the reference signal stored in the storage unit and the differential signal. ### Claim 18 (depends on 2) The decoding device according to claim 2, further comprising an information acquisition unit configured to acquire the encoded data and the information regarding the reference signal on a basis of data that has been received, wherein the decoding unit decodes the encoded data that has been acquired by the information acquisition unit, and the reference signal generation unit generates the reference signal on a basis of the information regarding the reference signal that has been acquired by the information acquisition unit. ### Claim 19 A decoding method by a processor, the decoding method comprising: decoding encoded data in which a differential signal that includes a differential between a tactile signal and a reference signal has been encoded; and adding the reference signal and the differential signal that has been decoded. ### Claim 20 A program causing a computer to function as a decoding device comprising: a decoding unit configured to decode encoded data in which a differential signal that includes a differential between a tactile signal and a reference signal has been encoded; and a signal addition unit configured to add the reference signal and the differential signal that has been decoded.