{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9852742","patent":{"patent_number":"US-9852742","title":"Pitch-correction of vocal performance in accord with score-coded harmonies","assignee":null,"inventors":[],"filing_date":"2014-10-17T00:00:00.000Z","publication_date":"2017-12-26T00:00:00.000Z","cpc_codes":["G10L","G10L"],"num_claims":31,"abstract":"Despite many practical limitations imposed by mobile device platforms and application execution environments, vocal musical performances may be captured and continuously pitch-corrected for mixing and rendering with backing tracks in ways that create compelling user experiences. In some cases, the vocal performances of individual users are captured on mobile devices in the context of a karaoke-style presentation of lyrics in correspondence with audible renderings of a backing track. Such performances can be pitch-corrected in real-time at a portable computing device (such as a mobile phone, personal digital assistant, laptop computer, notebook computer, pad-type computer or netbook) in accord with pitch correction settings. In some cases, pitch correction settings include a score-coded melody and/or harmonies supplied with, or for association with, the lyrics and backing tracks. Harmonies notes or chords may be coded as explicit targets or relative to the score coded melody or even actual pitches sounded by a vocalist, if desired."},"analysis":{"summary":"The patent **Pitch-correction of Vocal Performance in Accord with Score-coded Harmonies** (US-9852742) introduces a groundbreaking approach to real-time vocal pitch correction on mobile devices. At its core, this innovation enables the continuous capture and immediate pitch adjustment of vocal performances, seamlessly integrating them with backing tracks and lyrics to create highly engaging user experiences. It specifically addresses the practical limitations of mobile platforms, such as restricted processing power and application execution environments, which have historically hindered sophisticated audio processing on portable devices.\n\nThe primary problem this invention solves is the difficulty of achieving high-quality, in-tune vocal recordings on mobile phones, personal digital assistants, and similar portable computing devices. Traditional mobile solutions often suffer from latency, artificial-sounding corrections, or lack the intelligence to align with specific musical compositions.\n\nTechnically, this system operates by capturing live vocal input and continuously correcting its pitch in accordance with predefined 'pitch correction settings.' A key aspect is the use of 'score-coded melodies and/or harmonies,' which are either supplied with or dynamically associated with the lyrics and backing tracks. This means the system doesn't just apply a generic auto-tune; it intelligently guides the vocal performance to match the intended musical structure. Harmony notes can be explicitly targeted, set relative to the melody, or even adaptively adjusted based on the vocalist's actual performance, offering significant flexibility.\n\nFrom a business perspective, this technology unlocks immense value for the mobile music and entertainment industry. It empowers developers to create next-generation karaoke applications, vocal training tools, and mobile music production suites that offer professional-grade vocal quality directly on consumer devices. This leads to enhanced user engagement, broader market appeal, and new revenue streams from premium features or subscriptions. The market opportunity lies in satisfying the growing demand for accessible, high-quality content creation tools and immersive entertainment experiences on mobile platforms, transforming casual users into confident performers.","layman_explanation":"### What Problem Does This Solve?\n\nImagine you're singing along to your favorite song using a mobile app, but sometimes you hit a note that's a little off. It's frustrating, right? Most mobile apps struggle to make your singing sound truly professional or even just 'in tune' because they lack the sophisticated technology found in expensive recording studios. Existing solutions are often delayed, sound artificial, or simply don't understand the actual music you're trying to sing. This leads to a poor user experience and limits the creative potential of mobile music-making. The core business problem is the gap between the desire for high-quality vocal performance on mobile devices and the technical limitations preventing it.\n\n### How Does It Work?\n\nThis patent, **Pitch-correction of Vocal Performance in Accord with Score-coded Harmonies**, introduces a clever way to bridge that gap. Think of it like a highly intelligent digital conductor inside your phone. When you sing, the system listens very closely. But it doesn't just listen; it also has a 'sheet music' or 'score' for the song you're performing, pre-programmed with the exact melody and harmonies. As you sing, if your pitch starts to drift, the system instantly and continuously nudges your voice back to the correct note, guided by that score. It's like having invisible guardrails for your voice, ensuring you stay perfectly in tune without sounding robotic. This happens in real-time, as you're singing, making the experience seamless and natural. The 'score-coded harmonies' are key here – they provide musical intelligence, so the corrections are always appropriate for the song, whether it's a specific harmony note or an adaptive adjustment based on your performance.\n\n### Why Does This Matter?\n\nThis innovation has significant business implications. For companies in the mobile app space, it offers a powerful competitive advantage. Imagine a karaoke app where every user sounds like a star, or a vocal training app that provides instant, musically informed feedback. This technology can dramatically enhance user engagement, leading to higher app downloads, increased retention, and greater revenue through subscriptions or premium features. It opens up new market segments, attracting users who might have been hesitant to sing before due to pitch concerns. The ability to deliver professional-grade vocal quality on a standard mobile device means lower barriers to entry for content creators and a richer experience for consumers. This patent sets a new standard for mobile audio, pushing the entire industry forward.\n\n### What's Next?\n\nThe future for this technology is bright. We can expect to see it integrated into a wide range of applications: advanced mobile recording studios, interactive music education platforms, and even tools for live performance support. As mobile device processing power continues to grow, the sophistication of this system can evolve further, offering even more nuanced and adaptive vocal correction. For investors, this represents an opportunity to back companies that are defining the next generation of mobile entertainment and creative tools, ensuring a strong return on investment as the market embraces truly high-quality, accessible vocal performance technology.","technical_analysis":"The patent **Pitch-correction of Vocal Performance in Accord with Score-coded Harmonies** (US-9852742) delineates a sophisticated system for real-time vocal pitch correction tailored for mobile device platforms. This invention specifically addresses the inherent computational and environmental constraints of portable computing devices while delivering continuous, high-fidelity pitch adjustment. The core technical contribution lies in its ability to integrate complex DSP operations within limited mobile resources, guided by intelligent musical context.\n\n**Technical Architecture:**\n\nThe system's architecture can be conceptualized as a multi-stage real-time audio pipeline. It begins with an **Audio Input Module** responsible for capturing raw vocal data from the mobile device's microphone. This module must handle various audio codecs and sampling rates efficiently. The captured audio stream then feeds into a **Real-time Pitch Detection Module**. This module is critical and likely employs optimized algorithms for fundamental frequency (F0) estimation, such as:\n\n*   **Autocorrelation-based methods:** Efficient for periodic signals but can be computationally intensive. Optimized variants like YIN or RAPT might be used.\n\n*   **Spectral methods:** Utilizing Fast Fourier Transform (FFT) for frequency analysis. Efficient FFT implementations for mobile DSP (e.g., fixed-point arithmetic, vectorized instructions) are essential.\n\n*   **Wavelet Transforms:** Potentially offering better time-frequency localization for transient vocal events.\n\nOnce the current pitch is detected, it's passed to a **Pitch Comparison and Correction Logic Module**. This module's intelligence stems from its interaction with the **Score-Coded Harmony/Melody Database**. This database stores the 'pitch correction settings,' which are symbolic representations of the target melody and harmonies. These could be MIDI note numbers, frequency values, or relative pitch intervals. The 'score-coded' aspect implies that the system has pre-knowledge of the musical piece's structure, allowing for musically informed correction rather than generic chromatic quantization.\n\n**Implementation Details and Algorithm Specifics:**\n\nThe pitch correction itself is likely performed by a **Real-time Pitch Shifting Engine**. This engine must achieve pitch manipulation without altering the duration of the vocal segment. Common techniques include:\n\n*   **Phase Vocoder:** A widely used method that analyzes the phase and magnitude of spectral components, shifts them in frequency, and then resynthesizes the signal. Mobile implementations require careful optimization to reduce computational load and latency, often involving reduced channel counts or simplified phase unwrapping.\n\n*   **Granular Synthesis:** Breaking the audio into small 'grains' which are then re-pitched and re-sequenced. This can be effective but prone to artifacts if not managed carefully.\n\n\nThe patent explicitly mentions 'continuous pitch-correction.' This implies a very low latency, iterative process where pitch deviations are detected and corrected almost instantaneously. This requires:\n\n*   **Small Audio Buffers:** To minimize latency, audio frames processed by the DSP pipeline must be very short (e.g., 10-20ms).\n\n*   **Overlap-Add/Overlap-Save:** Seamless concatenation of processed frames to avoid clicks and discontinuities.\n\n*   **Adaptive Smoothing:** Algorithms to ensure that pitch shifts are smooth and natural, avoiding the 'quantized' or 'robotic' sound often associated with aggressive auto-tuning. This might involve dynamic attack/release parameters or intelligent vibrato preservation.\n\nCrucially, the 'score-coded harmonies' can be specified in several ways:\n\n1.  **Explicit Targets:** Specific notes or chords for the vocalist to hit.\n\n2.  **Relative to Score-Coded Melody:** Harmonies are derived dynamically based on the main melody line.\n\n3.  **Relative to Actual Pitches Sounded:** The system can adaptively generate harmonies based on what the vocalist *is* singing, offering a more creative and less prescriptive mode.\n\n**Integration Patterns and Performance:**\n\nThe system must integrate seamlessly with mobile operating system audio frameworks (e.g., Android's AudioTrack/AudioRecord, OpenSL ES; iOS's Audio Units, AVFoundation). Performance characteristics are paramount:\n\n*   **Low Latency:** Critical for real-time user feedback and natural performance.\n\n*   **CPU/GPU Efficiency:** Minimizing processor usage to conserve battery and prevent thermal throttling. This could involve offloading DSP tasks to specialized mobile DSP cores or GPUs if available.\n\n*   **Memory Footprint:** Efficient management of audio buffers and correction data.\n\n\nThis technology represents a significant advancement for mobile DSP, moving beyond simple effects to musically intelligent, real-time vocal manipulation. It lays the groundwork for a new generation of mobile music applications that truly empower users with professional-grade vocal tools.","business_analysis":"The patent **Pitch-correction of Vocal Performance in Accord with Score-coded Harmonies** (US-9852742) presents a formidable business opportunity within the rapidly expanding digital music and mobile entertainment sectors. By enabling real-time, musically intelligent vocal pitch correction on portable devices, this innovation addresses a critical market need and creates substantial competitive advantages.\n\n**Market Opportunity Size:**\n\nThe global mobile music market is colossal, encompassing billions of smartphone users. Within this, segments like karaoke apps, vocal training platforms, and casual music creation tools are experiencing explosive growth. Users consistently seek higher quality and more professional-sounding output from their mobile devices. The market for apps that enhance vocal performance, whether for entertainment, education, or content creation, is valued in the billions and continues to expand as mobile devices become primary content hubs. This technology directly taps into this demand, offering a superior solution to a widespread user desire.\n\n**Competitive Advantages:**\n\nThis invention provides several distinct competitive advantages:\n\n1.  **Superior User Experience:** Current mobile pitch correction often suffers from latency, robotic artifacts, or a lack of musical intelligence. This patent's emphasis on 'continuous, real-time' correction guided by 'score-coded harmonies' ensures a more natural, engaging, and professional-sounding result, setting a new benchmark for user satisfaction.\n\n2.  **Technological Differentiation:** The ability to perform complex, low-latency DSP on resource-constrained mobile platforms is a significant technical achievement. This offers a proprietary edge against competitors relying on simpler, less effective algorithms or server-side processing which introduces latency.\n\n3.  **Broad Application Potential:** Beyond karaoke, the technology can be integrated into vocal training apps (providing instant feedback), mobile DAW (Digital Audio Workstation) applications (for quick, high-quality vocal demos), and even live performance tools (for subtle real-time assistance).\n\n**Revenue Potential and Business Models:**\n\nCompanies licensing or implementing this technology can unlock multiple revenue streams:\n\n*   **Premium App Features:** Offering advanced pitch correction as a paid upgrade or subscription within existing music apps.\n\n*   **New App Development:** Creating entirely new applications centered around this core technology, such as AI-powered vocal coaches or collaborative mobile recording studios.\n\n*   **In-App Purchases:** Selling 'score-coded harmony packs' for popular songs, allowing users to unlock specific musical guidance.\n\n*   **B2B Licensing:** Licensing the underlying SDK or API to other music technology companies, game developers, or educational platforms.\n\n**Strategic Positioning:**\n\nIntegrating this innovation strategically positions a company as a leader in mobile audio technology. It demonstrates a commitment to high-quality user experiences and pushes the boundaries of what's possible on portable devices. For an existing player, it can serve as a powerful differentiator against rivals. For a new entrant, it offers a compelling value proposition to disrupt established markets. The patent's focus on 'score-coded harmonies' also suggests a pathway to integrate with music publishing and licensing, potentially creating partnerships with rights holders.\n\n**ROI Projections:**\n\nInvestment in this technology, whether through R&D or licensing, promises a strong ROI. Improved user engagement and satisfaction directly translate to higher retention rates and organic growth. The ability to offer unique, high-value features justifies premium pricing, increasing average revenue per user (ARPU). Furthermore, the broad applicability across entertainment, education, and content creation markets ensures diverse revenue streams and resilience against market fluctuations. Early movers integrating this technology will capture significant market share and establish a strong brand reputation for innovation in mobile music.","faqs":[{"answer":"Pitch-correction of Vocal Performance in Accord with Score-coded Harmonies (US-9852742) is an innovative patent describing a system and method for continuously correcting the pitch of vocal performances in real-time on mobile devices. Unlike traditional auto-tune, this technology intelligently aligns a vocalist's pitch with predefined 'score-coded harmonies' or melodies supplied with a song's lyrics and backing tracks.\n\nThis means the system understands the musical context of the performance, ensuring corrections are not just accurate but also musically appropriate and natural-sounding. It's designed to overcome the typical limitations of mobile device platforms, such as restricted processing power and battery life, to deliver a compelling user experience.\n\nEssentially, it allows users to record or perform vocals on their smartphone or tablet, and the system instantly and smoothly adjusts any off-key notes to match the intended musical composition. This makes high-quality vocal performances accessible to a broader audience, from casual karaoke singers to aspiring musicians.\n\nKeywords: pitch correction, vocal performance, score-coded harmonies, mobile music, patent US-9852742, real-time audio.","question":"What is Pitch-correction of Vocal Performance in Accord with Score-coded Harmonies?"},{"answer":"The Pitch-correction of Vocal Performance in Accord with Score-coded Harmonies patent outlines a sophisticated real-time audio processing pipeline. When a user sings into a mobile device's microphone, the system continuously captures the vocal input.\n\nSimultaneously, it performs real-time pitch detection to identify the fundamental frequency of the vocalist's voice. This detected pitch is then compared against 'pitch correction settings' which include the 'score-coded melody and/or harmonies' of the song. These score-coded elements act as a musical blueprint, indicating the precise notes and harmonies intended for the vocal track.\n\nIf a deviation is found between the live vocal pitch and the target pitch from the score, the system employs a real-time pitch shifting engine to adjust the vocal audio. This adjustment is continuous and seamless, ensuring that the corrected vocal blends naturally with the backing track without noticeable latency or artificial artifacts. The system is designed to be highly efficient, allowing this complex processing to occur smoothly on mobile computing devices.\n\nKeywords: how it works, real-time pitch detection, pitch shifting engine, score-coded melodies, mobile audio processing, continuous correction.","question":"How does Pitch-correction of Vocal Performance in Accord with Score-coded Harmonies work?"},{"answer":"Pitch-correction of Vocal Performance in Accord with Score-coded Harmonies primarily solves the challenge of achieving high-quality, in-tune vocal performances on mobile devices, despite their inherent technical limitations. Historically, sophisticated real-time audio processing, especially for pitch correction, has been confined to professional studios with powerful hardware and software.\n\nMobile users often face issues like off-key singing during karaoke or recording, and existing mobile auto-tune solutions frequently suffer from high latency, robotic-sounding corrections, or a lack of musical intelligence. This leads to a frustrating user experience and limits the creative potential of mobile music creation.\n\nThe patent addresses these problems by providing a robust, efficient system capable of performing continuous, musically intelligent pitch correction directly on portable devices. It eliminates the need for expensive external equipment or extensive post-production, making professional-grade vocal quality accessible and user-friendly for everyone.\n\nKeywords: mobile vocal quality, pitch correction problems, real-time audio challenges, user experience, music creation, patent solution.","question":"What problem does Pitch-correction of Vocal Performance in Accord with Score-coded Harmonies solve?"},{"answer":"The patent document US-9852742 for Pitch-correction of Vocal Performance in Accord with Score-coded Harmonies does not list specific inventors or an assignee in the provided abstract data. Patents are typically filed by inventors, who may then assign their rights to a company or organization. Without specific inventor names in the given data, it's not possible to identify the individual creators of this technology.\n\nHowever, the innovation described in the patent reflects a deep understanding of digital signal processing, mobile computing constraints, and musical theory, suggesting a team with expertise in these areas. The focus on overcoming mobile platform limitations points to developers or researchers familiar with app execution environments and efficient algorithm design for portable devices.\n\nThe absence of assignee information in the provided data means the original entity or company holding the rights to this patent is not specified here. Typically, such patents are owned by technology companies operating in the music, entertainment, or mobile application sectors.\n\nKeywords: inventors, assignee, patent US-9852742, vocal technology, patent ownership, invention details.","question":"Who invented Pitch-correction of Vocal Performance in Accord with Score-coded Harmonies?"},{"answer":"The Pitch-correction of Vocal Performance in Accord with Score-coded Harmonies patent offers several key benefits that enhance the mobile music experience:\n\nFirstly, it delivers **professional-grade vocal quality** directly on mobile devices. By continuously correcting pitch in real-time, it ensures that users sound in tune and professional, significantly boosting confidence and enjoyment, especially in karaoke-style applications or casual recordings.\n\nSecondly, it provides **musically intelligent correction**. Unlike generic auto-tune, this system uses 'score-coded harmonies' to guide pitch adjustments, meaning corrections are always appropriate for the song's specific melody and harmonic structure. This results in natural-sounding vocals, free from the robotic artifacts often associated with less sophisticated systems.\n\nThirdly, it offers **real-time and continuous feedback**. The corrections happen instantly as the user sings, providing immediate auditory feedback. This low-latency operation is crucial for interactive performances and can even serve as an effective tool for vocal training, helping users improve their pitch awareness on the fly.\n\nFinally, the technology is **optimized for mobile environments**, overcoming the processing and battery limitations of portable devices. This makes advanced vocal enhancement widely accessible, democratizing high-quality music creation and enjoyment for millions of smartphone and tablet users.\n\nKeywords: key benefits, vocal quality, natural sound, real-time feedback, mobile optimization, user experience.","question":"What are the key benefits of Pitch-correction of Vocal Performance in Accord with Score-coded Harmonies?"},{"answer":"Pitch-correction of Vocal Performance in Accord with Score-coded Harmonies differentiates itself from prior art through several critical innovations, particularly its focus on mobile devices and musical intelligence.\n\nMost prior art in mobile pitch correction offered rudimentary auto-tuning, often quantizing vocals to a general chromatic scale. This frequently resulted in unnatural, 'robotic' sounding corrections and often operated with noticeable latency, or only in post-processing. Studio-grade solutions, while superior in quality, were too computationally intensive and expensive for mobile integration.\n\nThis patent distinguishes itself by:\n1.  **Real-time, Continuous Operation on Mobile:** It specifically addresses the challenge of performing complex, low-latency pitch correction continuously on resource-constrained mobile platforms, a significant technical hurdle that most prior art failed to adequately overcome.\n2.  **Score-Coded Musical Intelligence:** Instead of generic pitch quantization, this invention uses 'score-coded melodies and/or harmonies.' This means the system understands the specific musical context of the song, ensuring corrections are musically appropriate and natural, aligning with the intended composition rather than just the nearest in-tune note.\n3.  **Flexible Harmony Targeting:** Harmonies can be explicitly defined, derived relative to the main melody, or even adaptively generated based on the vocalist's input, offering a level of musical flexibility far beyond simpler auto-tune systems.\n\nThese distinctions make Pitch-correction of Vocal Performance in Accord with Score-coded Harmonies a superior and more intelligent solution for mobile vocal enhancement, setting a new benchmark in the field.\n\nKeywords: prior art comparison, musical intelligence, real-time mobile, auto-tune vs patent, score-coded difference, vocal processing innovation.","question":"How is Pitch-correction of Vocal Performance in Accord with Score-coded Harmonies different from prior art?"},{"answer":"The Pitch-correction of Vocal Performance in Accord with Score-coded Harmonies patent is set to significantly impact several industries, primarily those leveraging mobile technology and audio content.\n\n**Mobile Entertainment & Music Apps:** This is the most direct impact. Karaoke applications, music creation platforms, and social media apps that feature vocal performances will be transformed. Users will experience higher quality, more engaging content, leading to increased user satisfaction, retention, and new monetization opportunities for app developers.\n\n**Music Education & Vocal Training:** The technology's real-time, intelligent feedback mechanism makes it an invaluable tool for vocal students and educators. Apps can provide instant pitch correction and harmonic guidance, accelerating learning and making vocal training more accessible and effective.\n\n**Content Creation & Social Media:** For content creators who use their mobile devices to produce videos or audio clips, this patent enables professional-grade vocal quality without the need for expensive equipment or extensive editing. This can elevate the production value of user-generated content across platforms like TikTok, Instagram, and YouTube.\n\n**Gaming:** Music-based games or games incorporating vocal elements could integrate this technology to enhance gameplay and player engagement, making singing challenges more forgiving and fun.\n\n**Telecommunication & Conferencing (Future):** While not explicitly stated, the underlying technology for real-time vocal processing could potentially be adapted for enhancing vocal clarity and pitch in communication platforms, though this would require further development and specific application.\n\nKeywords: industry impact, mobile entertainment, music education, content creation, social media, gaming, vocal technology.","question":"What industries will Pitch-correction of Vocal Performance in Accord with Score-coded Harmonies impact?"},{"answer":"The patent for Pitch-correction of Vocal Performance in Accord with Score-coded Harmonies (US-9852742) was officially filed on **October 17, 2014**.\n\nFollowing the examination process by the patent office, the patent was subsequently published and granted on **December 26, 2017**.\n\nThis timeline indicates that the innovation underwent a rigorous review process over approximately three years before being officially recognized. The filing date marks when the intellectual property rights were initially asserted, while the publication date signifies when the patent's details became publicly available and its protections formally began. This period allowed for the examination of the claims against prior art and ensuring the novelty and non-obviousness of the invention.\n\nKeywords: filing date, publication date, patent US-9852742, patent timeline, intellectual property, invention history.","question":"When was Pitch-correction of Vocal Performance in Accord with Score-coded Harmonies filed/granted?"},{"answer":"The commercial applications of Pitch-correction of Vocal Performance in Accord with Score-coded Harmonies are extensive, primarily within the mobile technology, music, and entertainment sectors.\n\n**Enhanced Karaoke Apps:** This is a prime application. By providing real-time, intelligent pitch correction, karaoke apps can offer a significantly superior user experience, making singing more enjoyable and less intimidating for users of all skill levels. This can drive app downloads, user engagement, and premium subscriptions.\n\n**Mobile Music Production Suites:** Aspiring musicians and content creators can use this technology in mobile Digital Audio Workstations (DAWs) or recording apps to lay down high-quality vocal tracks and demos without needing expensive studio equipment. This democratizes music creation and expands the market for mobile production tools.\n\n**Vocal Training and Education Platforms:** Educational apps can integrate this system to offer real-time pitch feedback, harmonic exercises, and personalized vocal coaching, making learning to sing more effective and accessible. This opens up new revenue streams in edutainment.\n\n**Social Media and Content Creation Tools:** Tools for platforms like TikTok, Instagram, and YouTube can embed this technology to allow users to create professional-sounding vocal content directly from their phones, increasing the quality and shareability of user-generated media.\n\n**Interactive Music Games:** Games that involve singing or vocal performance can leverage this technology to make gameplay more forgiving and fun, appealing to a broader audience.\n\n**B2B Licensing:** The underlying technology can be licensed to other companies for integration into their existing or new products, creating a robust business-to-business revenue stream.\n\nKeywords: commercial applications, karaoke, mobile music production, vocal training apps, social media content, B2B licensing, revenue streams.","question":"What are the commercial applications of Pitch-correction of Vocal Performance in Accord with Score-coded Harmonies?"},{"answer":"The foundational technology described in Pitch-correction of Vocal Performance in Accord with Score-coded Harmonies opens the door for numerous exciting future developments, pushing the boundaries of mobile audio processing.\n\n**AI and Machine Learning Integration:** Future iterations could incorporate advanced AI and machine learning to make pitch correction even more nuanced and adaptive. This might include AI that learns a user's vocal style, predicts melodic intentions, or even generates contextually appropriate harmonies dynamically based on improvisation.\n\n**More Sophisticated Harmonic Intelligence:** Beyond simple score-coded harmonies, future systems could offer real-time chord detection from a backing track and adapt vocal corrections and harmonies accordingly, even for improvised performances without a pre-defined score.\n\n**Vocal Style and Timbre Manipulation:** While primarily focused on pitch, the underlying DSP capabilities could evolve to include real-time manipulation of vocal timbre, vibrato, and other stylistic elements, offering a broader range of vocal effects and enhancements.\n\n**Collaborative and Multi-Vocal Performance:** The technology could be extended to intelligently manage and correct multiple vocalists simultaneously in a collaborative mobile environment, ensuring harmonic coherence across a group performance.\n\n**Integration with XR (Extended Reality):** In the long term, this technology could be integrated into augmented reality (AR) or virtual reality (VR) music experiences, allowing users to perform in virtual spaces with perfectly corrected and harmonized vocals, creating truly immersive and interactive musical environments.\n\nKeywords: future developments, AI music, machine learning, harmonic intelligence, vocal style manipulation, collaborative music, XR integration, mobile audio evolution.","question":"What are the future developments expected for Pitch-correction of Vocal Performance in Accord with Score-coded Harmonies?"}],"topics":["Pitch-correction of Vocal Performance in Accord with Score-coded Harmonies","patent US-9852742","mobile pitch correction","real-time vocal tuning","score-coded harmonies","patent","pitch","correction"],"tech_cluster":null},"seo":{"title":"Pitch-correction of Vocal Performance in Accord with Score-coded Harmonies - Patent US-9852742","description":"Discover how Pitch-correction of Vocal Performance in Accord with Score-coded Harmonies revolutionizes mobile vocal quality with real-time, score-coded pitch correction.","keywords":["Pitch-correction of Vocal Performance in Accord with Score-coded Harmonies","patent US-9852742","mobile pitch correction","real-time vocal tuning","score-coded harmonies","mobile music production","vocal performance enhancement","audio DSP mobile","karaoke technology","digital music innovation","vocal processing patent","portable computing audio"]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9852742","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-9852742","citation_suggestion":"Patentable. \"Pitch-correction of vocal performance in accord with score-coded harmonies\" (US-9852742). https://patentable.app/patents/US-9852742","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9852742","json":"https://patentable.app/api/llm-context/US-9852742","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T05:59:53.142Z"}