Forums > MaxMSP

snding audio via UDP

February 3, 2013 | 8:05 pm

Hello guys,
I’m trying to send audio signal from a max patch to another max patch (different laptop). I’m trying with jit.net.send but I’m probably mission something and it’s not working. Any suggestions?


February 3, 2013 | 8:05 pm

here’s the patch

Attachments:
  1. udp.rtf

February 3, 2013 | 10:50 pm

jit.net.send only works with matrices. You need to convert your MSP signal to a matrix, as in the "audio-over-network" patch in the jitter-examples/audio folder.

Or you can try the netsend~ external: http://www.remu.fr/sound-delta/netsend~/?page_id=7


February 4, 2013 | 12:39 am

Another two possibilities would be to use JackTrip ( https://ccrma.stanford.edu/groups/soundwire/software/jacktrip/ ), or the AUNetSend/AUNetReceive pair of audio units (I think they are shipped with XCode, but not sure about this).

Hope that helps,
Ádám


February 4, 2013 | 1:41 am

I think netsend is not working with max 6 and unfortunately Ive tried the AUNetSend but it’s crashing in about 2 seconds… I’ll have a look to the jitter examples and jack trip, thanks guys


February 4, 2013 | 2:54 am

whats wrong with TCP?


February 4, 2013 | 3:45 am

UDP is usually better for real-time stuff, better to drop the occasional packet than introduce delays.


February 4, 2013 | 8:22 am

I’ve had good results using netjack2, which is installed with jack. Also reastream vst on windows


February 4, 2013 | 2:46 pm

so I’m using jit.net.send. Here’s another issue: if i send audio within the same patch everything is working ok, but then I tried with two different laptops (I created a network, connected both laptop to the same network, checked ip and port) but couldn’t received anything….



dtr
February 4, 2013 | 3:26 pm

The sender and receiver objects report their connection state. Do they link?


February 4, 2013 | 4:51 pm

they don’t connect. Actually I have this error message on max window jit.net.send "data is being input faster than i can be sent" here are the parches..

Attachments:
  1. receive.rtf

February 4, 2013 | 5:49 pm

Perhaps take a peek at Zach Poff’s patch:

http://www.zachpoff.com/software/network-audio-transmitter/


February 5, 2013 | 5:48 pm

the sender patch connects but the receiving one no…one more step forward!


February 5, 2013 | 6:15 pm

You forgot to write "ip" after the first @ in the receiving patch.

– Pasted Max Patch, click to expand. –

February 6, 2013 | 9:05 pm

yes I’ve already changed it!


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