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ApsaraVideo Live:Overview

Last Updated:Nov 04, 2025

Alibaba Cloud leverages the Global Real-Time Transport Network (GRTN) to provide solutions tailored for online karaoke scenarios, supporting the growing trend of digital entertainment.

Architecture

Solo singing

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Group singing

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Benefits

Benefit

Description

Low-latency and real-time group singing

  • GRTN uses more than 3,200 points of presence (POPs) deployed around the world to facilitate resource sharing between Content Delivery Network (CDN) streaming and Web Real-time Communication (WebRTC) networks. This ensures reliable and low-latency global communications.

  • Network Time Protocol (NTP) enables precise and accurate synchronization of system clocks, which ensures coordinated playback of accompaniments for all singers.

  • Accurate audio mixing delivers a live karaoke experience for the audience.

Open source components

Supplementary functions, such as lyrics display, singing scoring, and song list management, are encapsulated into open source components. These components are built to enable easy integration with your UI and business logic to support distinctive product customization.

Advanced audio algorithms

Advanced audio algorithms, such as 3A, voice enhancement, and reverberation, allow singers to enjoy clear audio while experiencing added enjoyment.

Modular features

  • Diverse use cases are supported, such as karaoke battles and group singing.

  • You can develop custom audio capture and playback solutions to maintain your technical advantage.

Features

Low-latency audio interaction

GRTN ensures low-latency connections between singers and the audience using more than 3,200 POPs worldwide.

Lyrics display component

The component that synchronizes lyrics with music is open source for easy customization.

Real-time group singing

Accurate accompaniment synchronization ensures an authentic karaoke experience for online group singing.

Song list and singer seat management

You can manage song lists and singer seats using data transmission channels.

Song control

Lead singers can control and sync music playback status with co-singers and the audience.

Tuner

The audio mixer provides features such as volume adjustment, mix ratio adjustment, and voice modification and enhancement.

Low-latency in-ear monitoring

Singers can receive immediate auditory feedback during performances on a wide range of devices.