Willsing Karaoke App Case Study | TICON System Limited

Willsing – TiCON Systems Delivers a Feature-Rich Karaoke App Powered by AI and AWS

November 11, 2023

Willsing, an innovative karaoke application developed by HDTelecom Corp. Korea, breaks traditional karaoke boundaries by offering users unprecedented control over their singing experience. By leveraging AI and AWS technologies, Willsing allows users to manipulate song audio, create personalized experiences, and interact with multi-language subtitles. As the market leader in tech-driven karaoke experiences, Willsing sets itself apart with features like real-time scoring, background music removal, and extensive song customization. With a focus on providing a seamless, scalable, and feature-rich platform, Willsing appeals to both casual karaoke fans and serious performers looking for a dynamic singing experience.

Industry

Entertainment, Mobile Applications

Market Size

Growing global demand for interactive and personalized karaoke experiences

Position

Leading innovative karaoke app with AI-powered features

Infrastructure

AWS Cloud Services

Solution

Custom AI Music Processing, AWS Cloud Architecture, and Scalable App Development

Country

South Korea

Customer Challenge

HDTelecom Corp. set out to create a next-generation karaoke application, but several challenges had to be overcome to make Willsing stand out in the competitive karaoke app market:

Music Manipulation Complexity:

The ability to separate background music, adjust instruments, and support MIDI integration required advanced audio processing and real-time manipulation.

Subtitle Synchronization:

Accurate synchronization of multiple-language subtitles for a vast song library needed precise automation to provide a seamless experience for global users.

Scalable Infrastructure:

With a growing user base and a large song catalog, the platform had to be scalable, flexible, and capable of handling high traffic, especially during peak usage times.

Feature-Rich User Experience:

Willsing needed to deliver a robust, interactive experience, including personalized songbooks, user accounts, customizable playlists, and membership management, all while maintaining an intuitive and easy-to-use app interface.

Solution Approach by TiCON System Ltd

To meet these goals, TiCON System Ltd. combined custom development with strategic use of AWS services and Machine Learning (ML) to build a highly scalable, interactive karaoke platform for Willsing:

AI-Driven Music Processing:

ML Models for Track Separation:

Utilizing models like "Splitter" and "Demux", TiCON enabled real-time song manipulation, allowing users to isolate or remove specific instruments and background tracks.

MIDI Integration and Background Removal:

The music tracks were processed in a way that allowed users to isolate vocals or remove the original music for a personalized experience.

Advanced Subtitle Synchronization:

AI Algorithms for Timing and Synchronization:

Using AWS Transcribe and Force Alignment, TiCON automated subtitle generation, aligning accurate timestamps for multiple-language support, ensuring global accessibility.

Scalable Infrastructure with AWS:

Cloud Architecture on AWS:

AWS EC2, S3, and Route53 were leveraged to create a scalable infrastructure capable of handling millions of concurrent users without performance degradation.

Load Balancing and Storage:

With AWS ELB (Elastic Load Balancer), TiCON ensured seamless scaling during peak traffic periods, while S3 stored a massive catalog of songs and user data efficiently.

Frontend and Mobile Development:

Cross-Platform Mobile UI:

The mobile app was developed with a consistent user experience across iOS and Android devices, integrating user accounts, song playlists, and personalized recommendations.

Social and Community Features:

Integration of membership management allowed users to unlock premium features, create custom songbooks, and share performances with the global Willsing community.

AI-Powered Karaoke Scoring:

Real-Time Feedback and Scoring:

Willsing incorporated an AI-powered scoring system that assessed vocal performance, providing users with instant feedback, creating a fun, competitive atmosphere for karaoke sessions.

Results and Benefits

TiCON’s collaboration with HDTelecom Corp. has led to a successful launch of Willsing, with key outcomes:

Innovative Interactive Karaoke:

Users can now customize song audio, remove background music, and control specific instruments, which redefined the traditional karaoke experience and attracted a broader audience.

AI-Enhanced Music Processing:

Real-time audio processing enabled background music removal and MIDI adjustments, providing a completely customizable singing experience. This innovation expanded the potential use cases for the app.

Scalable Platform Performance:

The AWS infrastructure allowed Willsing to efficiently handle peak traffic with 1.2 million concurrent users during popular events, demonstrating the platform’s scalability and reliability.

Multi-Language Support:

AI-generated subtitles ensured seamless, multi-language support, enabling global users to enjoy karaoke sessions in their preferred language.

Personalized User Experience:

Built-in membership management, customized playlists, and songbooks boosted user engagement. Additionally, social features allowed users to share their performances and interact with the community.

Karaoke Scoring System:

The inclusion of real-time scoring based on vocal performance increased user interaction and engagement, adding a competitive element to the app.

Efficient Song Library Management:

AWS S3 handled large-scale song storage and quick retrieval, supporting Willsing’s extensive and diverse catalog while ensuring low-latency content delivery.

Security Considerations

To ensure both user data protection and content security, TiCON implemented several measures:

Custom Authentication:

Ensured that only authorized users could access premium content and personalized features.

AWS CloudFront:

Leveraged its security capabilities, including DDoS mitigation and secure delivery, to protect content and prevent unauthorized access.

Data Encryption:

All data, including user information and audio content, was encrypted in transit and at rest to maintain privacy and prevent data breaches.

Continuous Security Audits:

Routine security audits ensured compliance with global data protection standards and the safety of user interactions.

AWS Services Utilized

Amazon EC2:

Scalable computing power for high-traffic periods.

Amazon Transcribe:

Automated subtitle generation for multi-language support.

Amazon S3:

Secure and scalable storage for the song catalog and user data.

AWS Lambda:

For event-driven operations and optimized backend processes.

AWS CloudFront:

Content delivery and security management.

Amazon RDS:

Managed database services for user data and song management.

AWS ELB:

Elastic Load Balancing for scalability and high availability.

Amazon Route 53:

For DNS management, ensuring high availability.

About Willsing

Willsing is an advanced karaoke application that offers users unprecedented control over their singing sessions. By integrating AI and AWS technologies, Willsing empowers users with features such as:

Background Music Control:

Remove original background tracks or isolate specific instruments.

Multi-Language Subtitles:

AI-generated subtitles support multiple languages for a global user base.

Karaoke Scoring:

Real-time feedback and scoring based on vocal performance.

Membership & Customization:

Premium features, personalized song collections, and social sharing.

Diverse Song Library:

A growing catalog of songs across genres with advanced customization options.

Conclusion

The Willsing platform represents the next generation of interactive and customizable karaoke experiences, setting a new standard in the market. With TiCON System Ltd.'s expertise in leveraging AWS technologies and AI-driven solutions, Willsing successfully redefined karaoke for the modern, tech-savvy audience. This collaboration not only overcame technical challenges but also set the stage for continued growth, ensuring that Willsing remains at the forefront of karaoke innovation.

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