njh/aes67_wishlist.md

## aes67_wishlist.md

      
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              aes67_wishlist.md
            
          
    AES67 (an open standard for high quality audio over IP) is becoming mainstream in the world of broadcast and
professional audio industries, however there is a very limited amount of open source software available to interoperate with it.
As a result we are often just replacing XLRs with Ethernet, without taking advantage of the possibilites the software give.
While Virtual Soundcards enable some of this, native network implementations would allow greater flexibility.
This is my wishlist of things that would help change that. Hopefully one day it can be turned into a AES67 Awesome List.
As open source has resulted in very rapid evolution of the web, I believe the same is possible for professional/broadcast audio.
It is possible that some of this already exists and I just havn't found it yet. Please add a comment below if you know of something!
The Wishlist


A guide to setting up a PTP master using Linux + GPS (Raspberry PI + UBlox gps module?)
Long-running Stream recorder / Recording of Transmission archiver

Either write 1 hour audio files to disk
Or write chunked audio (~6 seconds per audio file) to disk, that can then be streamed back using HLS/DASH
Write files based on the PTP/RTP clock
Ensure that missing packets don't skew time (replace with silence/repeat previous packet?)


A test tone generator
A talking clock (based on 'wall clock' PTP time)
Play an audio file directly to the network

Looping (allowing line identification streams)
with resampling to make the audio match the rest of the network


A AES67 stream router

Web interface to make remote control/monitoring easy
Relay multicast/unicast streams from one subnet to another
Monitor the parameters of multicast streams on the network

Samplerate
Number of subscribers


Silence detector

Trigger the execution of a command
Trigger the sending of an MQTT message?


Level meter

Allow remote monitoring in GUI / Text console


Software mixer

Mix together multiple input streams into an output stream
Remote control of the levels of each incoming stream (MQTT?)
Other tunable parameters?


LADSPA host

AES67 → LADSPA Plugin → AES67


Make jackd interoperable with AES67

Could you then run jackd without any native audio / kernel support?
How different is Netjack to AES67?


Apple AirPlay bridge

Playing audio on iOS device → AES67
AES67 Audio → AirPlay speakers