# US 2019/0356997 A1 · Binaural Dialogue Enhancement > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0356997 A1 - Document ID: US20190356997A1 - Status: Published application - Kind: A1 - Application number: 16/532,143 - Filed: 2019-08-05 - Published: 2019-11-21 - Earliest claimed: 2016-01-29 - Assignees: Dolby Laboratories Licensing Corporation; Dolby International AB - Applicants: Dolby Laboratories Licensing Corporation; Dolby International AB - Inventors: Leif Jonas SAMUELSSON; Dirk Jeroen BREEBAART; David Matthew COOPER; Jeroen KOPPENS - Web page: https://patentgrep.com/patent/US20190356997A1 ## CPC - H04S 1/002: {Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution (control circuits for electronic adaptation of the sound field H04S7/30)} - H04R 5/04: Circuit arrangements, {e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments (combinations of amplifiers H03F3/68; stereophonic systems H04S)} - H04S 3/00: Systems employing more than two channels, e.g. quadraphonic (H04S5/00, H04S7/00 take precedence) - H04S 7/303: {Tracking of listener position or orientation} - H04S 3/008: {in which the audio signals are in digital form, i.e. employing more than two discrete digital channels (data reduction aspects thereof based on psychoacoustics G10L19/02)} - H04S 3/02: of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other - H04S 2420/01: Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD] - H04S 2420/03: Application of parametric coding in stereophonic audio systems - H04S: STEREOPHONIC SYSTEMS - 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) ## Abstract Methods for dialogue enhancing audio content, comprising providing a first audio signal presentation of the audio components, providing a second audio signal presentation, receiving a set of dialogue estimation parameters configured to enable estimation of dialogue components from the first audio signal presentation, applying said set of dialogue estimation parameters to said first audio signal presentation, to form a dialogue presentation of the dialogue components; and combining the dialogue presentation with said second audio signal presentation to form a dialogue enhanced audio signal presentation for reproduction on the second audio reproduction system, wherein at least one of said first and second audio signal presentation is a binaural audio signal presentation. ## Claims ### Claim 1 A system comprising: one or more processors; and a non-transitory computer-readable medium storing instructions that, upon execution by the one or more processors, cause the one or more processors to perform audio decoding operations comprising: receiving and decoding a first audio signal presentation of the audio components designated for reproduction on a first audio reproduction system and a set of one or more dialogue estimation parameters configured to enable estimation of dialogue components from the first audio signal presentation; generating a dialogue presentation of the dialogue components, including applying the set of one or more dialogue estimation parameters to the first audio signal presentation; generating a dialogue enhanced audio signal presentation, including combining the dialogue presentation with a second audio signal presentation; and providing the a dialogue enhanced audio signal presentation to a second audio reproduction system for reproduction, the second audio reproduction system being different from the first audio reproduction system. ### Claim 2 (depends on 1) The system of claim 1, wherein only one of the first or second audio signal presentation includes a binaural audio signal presentation. ### Claim 3 (depends on 1) The system of claim 1, wherein each of the first or second audio signal presentation includes a binaural audio signal presentation. ### Claim 4 (depends on 1) The system of claim 1, the operations comprising: receiving a set of dialogue transform parameters, wherein generating the dialogue presentation of the dialogue components further includes generating applying the set of dialogue transform parameters before or after applying the set of one or more dialogue estimation parameters to the first audio signal presentation. ### Claim 5 (depends on 4) The system of claim 4, wherein set of one or more dialogue estimation parameters are configured to perform a presentation transform, so that the dialogue presentation corresponds to the second audio signal presentation. ### Claim 6 (depends on 4) The system of claim 4, wherein the combining the dialogue presentation with the second audio signal presentation includes forming a sum of the dialogue presentation and the first audio signal presentation and applying the set of one or more presentation transform parameters to the sum. ### Claim 7 (depends on 1) The system of claim 1, wherein the dialogue presentation is a mono dialog presentation, and the operations further comprise: receiving positional data related to the dialogue components; and rendering the mono dialogue presentation using the positional data before the combining. ### Claim 8 (depends on 7) The system of claim 7, the operations comprising: selecting head related transfer functions (HRTFs) from a library based on the positional data, and applying the selected HRTFs to the mono dialogue presentation. ### Claim 9 (depends on 7) The system of claim 7, wherein the rendering comprises applying amplitude panning. ### Claim 10 A non-transitory computer-readable medium storing instructions that, upon execution by one or more processors, cause the one or more processors to perform audio decoding operations comprising: receiving and decoding a first audio signal presentation of the audio components designated for reproduction on a first audio reproduction system and a set of one or more dialogue estimation parameters configured to enable estimation of dialogue components from the first audio signal presentation; generating a dialogue presentation of the dialogue components, including applying the set of one or more dialogue estimation parameters to the first audio signal presentation; generating a dialogue enhanced audio signal presentation, including combining the dialogue presentation with a second audio signal presentation; and providing the a dialogue enhanced audio signal presentation to a second audio reproduction system for reproduction, the second audio reproduction system being different from the first audio reproduction system. ### Claim 11 (depends on 10) The non-transitory computer-readable medium of claim 10, wherein at least one of the first or second audio signal presentation includes a binaural audio signal presentation. ### Claim 12 (depends on 10) The non-transitory computer-readable medium of claim 10, wherein: one of the first and second audio signal presentation is a binaural audio signal presentation, and the other one of the first and second audio signal presentation is a stereo or surround audio signal presentation. ### Claim 13 A system comprising: one or more processors; and a non-transitory computer-readable medium storing instructions that, upon execution by the one or more processors, cause the one or more processors to perform operations of dialogue enhancing audio content having one or more audio components, each component being associated with a respective spatial location, the operations comprising: providing a first audio signal presentation of the audio components designated for reproduction on a first audio reproduction system; providing a second audio signal presentation of the audio components designated for reproduction on a second audio reproduction system; receiving a set of one or more dialogue estimation parameters configured to enable estimation of dialogue components from the first audio signal presentation; generating a dialogue presentation of the dialogue components at least by applying the set of dialogue estimation parameters to the first audio signal presentation; and generating a dialogue enhanced audio signal presentation at least by combining the dialogue presentation with the second audio signal presentation to for reproduction on the second audio reproduction system. ### Claim 14 (depends on 13) The system of claim 13, wherein: one of the first and second audio signal presentation is a binaural audio signal presentation, and the other one of the first and second audio signal presentation is a stereo or surround audio signal presentation. ### Claim 15 (depends on 13) The system of claim 13, the operations further comprising: receiving a set of one or more dialogue transform parameters; and generating transformed dialogue presentation corresponding to the second audio signal presentation, including applying the set of dialogue transform parameters before or after application of said set of dialogue estimation parameters.