# US 12,007,492 B2 · Apparatus, method and computer program for processing a voice radio signal > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,007,492 B2 - Document ID: US12007492B2 - Status: Granted - Kind: B2 - Application number: 17/338,966 - Filed: 2021-06-04 - Published: 2021-09-23 - Granted: 2024-06-11 - Earliest claimed: 2018-12-07 - Assignees: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. - Applicants: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. - Inventors: Ole John; Ivan Zverev - Web page: https://patentgrep.com/patent/US12007492B2 ## CPC - G01S 3/043: {Receivers} - G08G 5/25: Transmission of traffic-related information between aircraft - G01S 3/14: Systems for determining direction or deviation from predetermined direction {(aerial arrangements for changing or varying the orientation or the shape of the directional pattern H01Q3/00; combinations of different interacting aerial units for giving a desired directional characteristic H01Q21/29; aerials or aerial systems providing at least two radiation patterns H01Q25/00)} - G08G 3/00: Traffic control systems for marine craft (marking of navigational route B63B22/16, B63B51/00) - G08G 5/723: {from the aircraft} - G10L 15/02: Feature extraction for speech recognition; Selection of recognition unit - G10L 15/16: using artificial neural networks - G10L 15/22: Procedures used during a speech recognition process, e.g. man-machine dialogue - G10L 15/26: Speech to text systems (G10L15/08 takes precedence) - G01S 19/42: Determining position - G01S 19/52: Determining velocity - G01S 19/53: Determining attitude - G01S: RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - G08G: TRAFFIC CONTROL SYSTEMS (guiding railway traffic, ensuring the safety of railway traffic B61L; arrangement of road signs or traffic signals E01F9/00; radar or analogous systems, sonar systems, lidar systems specially adapted for traffic control G01S13/91, G01S15/88, G01S17/88; {radar or analogous systems, sonar systems, lidar systems specially adapted for anti-collision purposes G01S13/93, G01S15/93, G01S17/93}) - G10L: SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING ## Abstract Apparatus for processing a voice radio signal with a transcription unit configured to convert the voice radio signal into a text signal; an object determination unit configured to determine an object from which the voice radio signal originates; an object localization unit configured to determine position information of the object from which the voice radio signal originates; and an output unit configured to allocate the text signal to the object and to provide the same. The object determination unit is configured to determine a detection probability for at least one object whose position at least partly matches the determined position information. The object determination unit is configured to determine the object with the highest detection probability as the object from which the voice radio signal originates, or, with a very similar detection probability, to determine all objects with the similar detection probability as the object. ## Claims ### Claim 1 An apparatus for processing a voice radio signal, comprising: a transcription unit configured to convert the voice radio signal into a text signal; an object determination unit configured to determine an object from which the voice radio signal originates; an object localization unit configured to determine position information of the object from which the voice radio signal originates, wherein the object localization unit comprises at least one radio direction finder; an output unit configured to allocate the text signal to the object and to provide the same; and wherein the object determination unit is configured to determine, for objects in an environment of the apparatus, a respective detection probability, wherein the respective detection probability defines a degree of correspondence of the position information, determined by means of the object localization unit, with an actual position of the respective object, determined by an AIS receiver, an ADS-B receiver and/or a radar unit, and wherein the object determination unit is configured, to determine as the object from which the voice radio signal originates an object with a highest detection probability, or all objects with detection probabilities deviating from each other by not more than a predefined degree. ### Claim 2 (depends on 1) The apparatus according to claim 1, wherein the object localization unit is configured to determine as the position information an area where the object from which the voice radio signal originates is arranged. ### Claim 3 (depends on 1) The apparatus according to claim 1, wherein the object determination unit comprises the AIS receiver, and/or the ADS-B receiver or is configured to communicate with the same to acquire object identification data of at least one object whose position at least partly matches the position information determined by the object localization unit. ### Claim 4 (depends on 3) The apparatus according to claim 3, wherein the object identification data comprise a call number of the maritime mobile service, an object name, a target of the object, a load of the object and/or a size of the object. ### Claim 5 (depends on 1) The apparatus according to claim 1, wherein the object determination unit is further configured to determine the respective detection probability based on probabilities of correct position information of the object localization unit. ### Claim 6 (depends on 1) The apparatus according to claim 1, wherein the object determination unit is configured to communicate with the transcription unit to determine object identification data of the object from the text signal. ### Claim 7 (depends on 1) The apparatus according to claim 1, wherein the transcription unit is configured to extract a speech pattern code from the voice radio signal and to provide the same to the object determination unit, wherein the object determination unit is configured to determine the object from which the voice radio signal originates based on the speech pattern code. ### Claim 8 (depends on 1) The apparatus according to claim 1, wherein the transcription unit is configured to use a neuronal network to convert the voice radio signal into a text signal. ### Claim 9 (depends on 1) The apparatus according to claim 1, wherein the apparatus is configured to process at least two voice radio signals simultaneously and/or offset in time, and wherein the output unit is configured to allocate at least two text signals of the at least two voice radio signals to a respective object and to provide the same chronologically to a user interface of the apparatus and/or to store the same in a database. ### Claim 10 (depends on 1) The apparatus according to claim 1, wherein the output unit is configured to provide both the text signal, an allocated object, a position of the object as well as an input time of the voice radio signals to a user interface of the apparatus and/or to store the same in a database. ### Claim 11 (depends on 1) The apparatus according to claim 1, wherein the object is a ship, an airplane or a vehicle. ### Claim 12 A method for processing a voice radio signal, the method comprising: converting the voice radio signal into a text signal by means of a transcription unit; determining an object from which the voice radio signal originates by means of an object determination unit; determining position information of the object from which the voice radio signal originates by means of an object localization unit, wherein the object localization unit comprises at least one radio direction finder; and allocating the text signal to the object and providing the text signal allocated to the object by means of an output unit; wherein determining the object from which the voice radio signal originates comprises determining, for objects in an environment, a respective detection probability, and determining as the object from which the voice radio signal originates an object with the highest detection probability, or all objects with detection probabilities deviating from each other by not more than a predefined degree, wherein the respective detection probability defines a degree of correspondence of the position information, determined by means of the object localization unit, with an actual position of the respective object, determined by an AIS receiver, an ADS-B receiver and/or a radar unit. ### Claim 13 A non-transitory digital storage medium storing instructions which, when executed by a computer, cause the computer to perform steps comprising: converting the voice radio signal into a text signal by means of a transcription unit; determining an object from which the voice radio signal originates by means of an object determination unit; determining position information of the object from which the voice radio signal originates by means of an object localization unit, wherein the object localization unit comprises at least one radio direction finder; and allocating the text signal to the object and providing the text signal allocated to the object by means of an output unit; wherein determining the object from which the voice radio signal originates comprises determining, for objects in an environment, a respective detection probability, and determining as the object from which the voice radio signal originates an object with a highest detection probability, or all objects with detection probabilities deviating from each other by not more than a predefined degree, wherein the respective detection probability defines a degree of correspondence of the position information, determined by means of the object localization unit, with an actual position of the respective object, determined by an AIS receiver, an ADS-B receiver and/or a radar unit.