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Agora Voice Call Overview

Last updated 2022/07/28 02:04:45

Agora Voice Call enables easy and convenient one-to-one or one-to-many voice-only calls with the Agora RTC SDK. With a small SDK package size, the Agora RTC SDK is applicable to a variety of recreational and business activities.

Functions and scenarios

Agora Voice Call boasts a flexible combination of functions for different scenarios.

Function Description Scenario
Audio mixing Sends the local and online audio with the user's voice to other audience members in the channel.
  • Online KTV.
  • Interactive music classes.
    		•
    Play the sound effect files Enables developers to play specific sound effect files, adjust the volume, and set the playback position of the sound effect files. Online chess or card games.
    Voice changer and reverberation Provides multiple presets to easily change the voice and set reverberation effects, also supports adjusting the pitch and using the equalization and reverberation modes flexibly.
  • Online KTV.
  • To change the voice in an online chatroom.
    		•
    Spatial sound effects Sets the spatial sound effects for remote users to provide immersive experiences. FPS games.
    Enable two-channel/high-quality sound mode Enables the two-channel and the high-quality sound mode.
  • Online music classes.
  • FM applications.
    		•
    Modify the raw data Enables developers to obtain and modify the raw voice data to create special effects, such as a voice change. To change the voice in an online voice chatroom.
    Temporarily, the Agora RTC Web SDK does not support voice changer and reverberation, sound localization, and modifying the raw data.

    Key properties

    Property Agora Voice Call Specifications
    SDK package size 3.14 MB to 11.28 MB
    Audio profile
  • Sample rate: 16 kHz to 48 kHz
  • Support for mono and stereo sound
    		•
    Audio anti-packet-loss rate 80% (uplink and downlink)

    Compatibility

    Agora Voice Call is supported on platforms such as iOS, Android, Windows, macOS, Electron, Unity, and Web, and allows for cross-platform connections. The following is a list of supported platforms and their versions.

    Platform Supported Version
    Android

    ≥ 4.1

    The Android SDK supports the following ABIs:

  • armeabi-v7a
  • arm64-v8a
  • x86
  • x86-64
    		•
    iOS ≥ 9.0
    Windows

    ≥ Windows 7

    The Windows SDK supports the following architecture:

  • x86
  • x86-64
    		•
    macOS

    ≥ 10.10

    The macOS SDK supports the following architecture:

  • x86-64
  • arm64
    		•
    Unity

    ≥ 2017

    The Unity SDK supports the following platforms:

    • Android (armeabi-v7a, arm64-v8a, x86)
    • iOS
    • Windows (x86, x86-64)
    • macOS
    Web See Web SDK Compatibility
    Electron ≥ Electron 1.8.3
    Flutter ≥ Flutter 1.0.0
    React Native ≥ React Native 0.59.10

    Reference

    How many users can Agora RTC SDK support at the same time?