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library:meeting:ainteroperationn

Table of Contents

Audio Interoperation Network

音频互操作网络：音视频设备接入、互连、控制。

为音视频输入设备、输出设备、处理设备、控制设备提供统一网络接入。

术语

  • 节点(node) 所有接入设备统称为节点

1. 节点设计

1.1 初始化

  1. 支持DHCP1协议，自动获取IP地址
  2. 设备发现mDNS4
  3. 可设定固定IP地址
  4. 分配本地IP2,3地址
  5. Zero Configuration Networking

1.2 业务流

  1. 音频采样率及位宽
  • 24-bit@48kHz
  1. 基本码流支持音频通道数
  • 2

1.3 互操作协议

1.4 时钟频率同步

附录

1.5 端口

Dante

Which network ports does Dante use?

Protocol Transport IP(s)/Port(s)
Discovery mDNS DNS-SD Multicast(UDP) 224.0.0.251:5353
Clocking PTP Multicast (UDP) 224.0.0.129-132:319-320
PTP logging Multicast(UDP) 239.254.3.3:9998
Audio / Video Unicast (UDP) [Receiver IP]:14336-14600
Audio / Video Multicast (UDP) 239.254.x.x:4321
Dante-specific monitoring traffic Multicast (UDP) 224.0.0.230-224.0.0.233:8700-8708

AES67

Protocol Transport IP(s)/Port(s)
Discovery mDNS Multicast(UDP) 239.255.255.255:9875
Clocking PTP Multicast (UDP) 224.0.0.129-132:319-320
Audio / Video Unicast (UDP) [Receiver IP]:14336-14600
Audio / Video Multicast (UDP) 239.254.x.x:5004

ZeroConfig

ZeroConfig是Avahi出品的一款使用mDNS/ DNS-SD协议，方便发现本地网络上的服务的协议套件。 Zero Configuration Networking (Zeroconf)

参考文献

  1. rfc2131 Dynamic Host Configuration Protocol
  2. rfc3927 Dynamic Configuration of IPv4 Link-Local Addresses
  3. rfc3330 Special-Use IPv4 Addresses
  4. rfc6762 Multicast DNS
library/meeting/ainteroperationn.txt · Last modified: 2024/05/09 18:22 by lhaosen

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