{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9854294","patent":{"patent_number":"US-9854294","title":"Localized audio source extraction from video recordings","assignee":null,"inventors":[],"filing_date":"2016-06-30T00:00:00.000Z","publication_date":"2017-12-26T00:00:00.000Z","cpc_codes":["H04N","G11B","G11B","H04N","H04N","H04N"],"num_claims":15,"abstract":"Technologies are generally described for a system to process a collection of video recordings of a scene to extract and localize audio sources for the audio data. According to some examples, video recordings captured by mobile devices from different perspectives may be uploaded to a central database. Video segments capturing an overlapping portion of the scene at an overlapping time may be identified, and a relative location of each of the video capturing devices may be determined. Audio data for the video segments may be indexed with a sub-frame time reference and relative locations as a function of overlapping time. Using the indices that include the sub-frame time references and relative locations, audio sources for the audio data may be extracted and localized. The extracted audio sources may be transcribed and indexed to enable searching, and may be added back to each video recording as a separate audio channel."},"analysis":{"summary":"Localized Audio Source Extraction from Video Recordings represents a significant advancement in audio processing, addressing the challenge of extracting and localizing specific audio sources from video recordings. The patent describes a system that processes video recordings captured by mobile devices from different perspectives and uploads them to a central database. By identifying video segments that capture an overlapping portion of the scene at overlapping times, the system determines the relative location of each video capturing device. This allows for indexing audio data with a sub-frame time reference and relative locations as a function of overlapping time. \n\nThe core innovation lies in its ability to leverage spatial information derived from multiple video recordings to enhance audio extraction. This approach is particularly valuable in complex acoustic environments where traditional audio processing techniques struggle to isolate specific sound sources. The extracted audio sources can be transcribed and indexed to enable searching, and may be added back to each video recording as a separate audio channel, providing a richer and more customizable viewing experience.\n\nThe business value of this technology stems from its potential to improve audio quality and accuracy in a wide range of applications, including law enforcement, media production, and surveillance. The market opportunity is substantial, as the demand for efficient and reliable audio extraction continues to grow. By offering a more robust and versatile solution than existing technologies, Localized Audio Source Extraction from Video Recordings is poised to capture a significant share of this market.\n\nThe system's ability to handle multiple video sources and accurately localize audio streams sets it apart from existing solutions. It offers a more robust and versatile approach to audio extraction, paving the way for a new generation of audio-visual applications. This innovation holds immense potential for various industries. As video recording devices become increasingly ubiquitous, the need for efficient and accurate audio extraction will only grow.","layman_explanation":"The Localized Audio Source Extraction from Video Recordings patent addresses the common problem of poor audio quality in video recordings, especially when there's a lot of background noise or multiple people talking. Existing solutions often struggle to isolate specific voices or sounds, making it difficult to understand conversations or analyze audio evidence.\n\nThis patent introduces a system that uses video recordings from multiple devices to improve audio extraction. Imagine several smartphones recording the same scene from different angles. The system analyzes these videos to determine the location of each sound source. It then uses this information to isolate and enhance the audio from the desired source, reducing background noise and improving clarity.\n\nThis technology matters because it has the potential to significantly improve audio quality in a wide range of applications. Law enforcement could use it to analyze surveillance footage more effectively. Filmmakers could leverage it to enhance sound design and create more immersive audio experiences. And everyday users could benefit from improved audio quality in their personal video recordings.\n\nLooking ahead, this technology could be further developed to handle more complex acoustic environments and to integrate with other video processing systems. The market adoption timeline will depend on factors such as the cost of implementation and the availability of compatible devices. However, the potential ROI is significant, as this technology can save time and resources in various applications and improve the quality of audio content.","technical_analysis":"The Localized Audio Source Extraction from Video Recordings patent details a sophisticated system for extracting and localizing audio sources from video recordings. The technical architecture involves several key components: video capture, synchronization, feature extraction, spatial localization, audio extraction, and indexing. Video capture involves acquiring video recordings from multiple devices, each capturing the same scene from different perspectives. Synchronization aligns the video recordings in time, ensuring that the audio data is correctly associated with the corresponding video frames.\n\nFeature extraction identifies relevant visual features in the video frames, such as object positions and movements. Spatial localization uses these features to estimate the relative locations of the recording devices and the audio sources. This process likely involves advanced computer vision techniques, such as structure from motion and simultaneous localization and mapping (SLAM). The accuracy of the spatial localization is crucial for the success of the audio extraction process.\n\nAudio extraction applies signal processing techniques to isolate and enhance the desired audio streams. The patent may utilize a variety of methods, such as beamforming, independent component analysis (ICA), and blind source separation (BSS). The specific choice of technique will depend on the characteristics of the acoustic environment and the desired audio quality. The extracted audio sources are then transcribed and indexed to enable searching and retrieval.\n\nThe implementation details of the system are likely complex, involving sophisticated algorithms and data structures. The performance characteristics of the system will depend on factors such as the number of video recordings, the quality of the video and audio data, and the complexity of the acoustic environment. Code-level implications include the need for efficient algorithms and data structures to handle the large amount of data involved in video and audio processing. Integration patterns will need to be carefully designed to ensure seamless integration with existing video and audio processing systems.","business_analysis":"The Localized Audio Source Extraction from Video Recordings patent presents a compelling business opportunity in the growing market for audio and video processing technologies. The market opportunity size is substantial, driven by the increasing demand for efficient and accurate audio extraction in various industries, including law enforcement, media production, and surveillance. The competitive advantages of this technology stem from its ability to leverage spatial information derived from multiple video recordings to enhance audio extraction. This approach offers superior accuracy and noise reduction compared to traditional audio-only methods.\n\nThe revenue potential of this technology is significant. The system could be licensed to law enforcement agencies, media companies, and other organizations that require efficient and accurate audio extraction. The business model could involve licensing fees, subscription fees, or a combination of both. Strategic positioning involves targeting key industries and applications where the technology can provide the greatest value. This could include focusing on law enforcement applications, where the need for clear audio evidence is paramount.\n\nThe ROI projections for this technology are promising. By improving audio quality and accuracy, the system can save time and resources in various applications. For example, law enforcement agencies could use the system to analyze surveillance footage more efficiently, reducing the time and cost of investigations. Media companies could use the system to enhance sound design and create more immersive audio experiences, increasing the value of their products. The strategic positioning of this technology in high-value markets will drive revenue and profitability.","faqs":null,"topics":["audio extraction","video processing","audio localization","source separation","video analysis","localized","audio","source"],"tech_cluster":null},"seo":{"title":"Localized Audio Source Extraction - Patent US-9854294","description":"Extract audio like never before! Discover how Localized Audio Source Extraction from Video Recordings isolates sounds with pinpoint accuracy. Patent analysis & more.","keywords":["audio extraction","video processing","audio localization","source separation","video analysis","patent","patent US-9854294"]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9854294","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-9854294","citation_suggestion":"Patentable. \"Localized audio source extraction from video recordings\" (US-9854294). https://patentable.app/patents/US-9854294","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9854294","json":"https://patentable.app/api/llm-context/US-9854294","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T06:12:23.169Z"}