![]() ![]() If your 'amix' and 'asnoop' PCM devices didn't appear in your Audio Input and Audio Output device selection fields in Mumble, some configuration hacking is required. You may want to finish tuning your setup, but for great victory, click OK to save, and close Mumble. (Text-to-speech is sorta cool, but believe me, it gets old really fast on a conference!) This bothered me, so I disabled all message notifications. Basically every message which has an audio-generating alert associated with it will be broadcast over the conference. Switch to Messages on the left-side menu. Again, for longer range Mumble links, higher levels may be required on these two fields. ![]() Switch to Audio Output on the left-side menu.ĭefault Jitter Buffer may be set quite low, I use 10ms. It also improves responsiveness to do this, but higher settings may be required if you're connecting to a server off-site. I've found that when speaking to a murmur server running on my LAN, this can be set to the minimum (10ms) without any issues. Tune your Audio per packet as you like as well. I -highly- suggest recompiling with support for both, unless you have control over -every- Mumble client which this configuration will communicate with otherwise you may not 'hear' what they say). If it stays on CELT, your Mumble client probably wasn't compiled with Speex. Adjust your Compression settings (I always suggest using Speex codec for compatibility with all Mumble clients, which may be achieved by selecting a Quality level below 45.5kbit. Under Transmission, set Transmit to Voice Activity. If they don't, don't worry, we'll fix that in a minute. Your devices (amix/asnoop) probably won't appear in the dropdown. to the iPhone App Step 1: Start Mumble on the device where your certificate (the one you want to use) is stored. Step 4: Click 'Save As', this will open a browser window where you can select the name and where you want to put your certificate. Step 3: Select 'Export current certificate', then click Next. Step 2: On the menu choose Configure, then Certificate Wizard. Select Audio Input on the left-side menu. Step 1: Start Mumble on the device your certificate (the one you want to use) is stored. Once you have Mumble built and running on your server (using Xorg or Xvnc), open the settings via Configure->Settings, and check the Advanced box in the bottom left. I'm not going to explain how, their website should help you out. ![]() If you've made it this far, it gets much easier. I haven't found any way to directly address the subdevices ('2,0,0', '2,0,1', etc.) Luckily, it picks up our handrolled PCMs, which is good enough. The 'Loopback' entries (6 and 7) are possibly unusable. The next line has an 'i' at the end, meaning the endpoint will use this device as input. At the end of each line you'll see 'r,o' which means 'ringer, output', meaning this device is where your portaudio endpoint will both ring on and send output to. Mumla is free and open source software.The entries to note are 'ploop' and 'cloop', entries 15 and 16. You may also try tweaking the Detection threshold in the settings. The echo cancellation and noise reduction need better implementations. Voice activated transmission currently works best when using a headset. * Text-to-speech for messages (turned on by default) * Voice activated transmission (the default), or different Push-to-talk buttons * Certificate generation, import and export To give a little support towards the maintenance and development of Mumla, please find and purchase the donation version of Mumla. Mumla is an updated and maintained version (a fork) of the app Plumble. Connect to one of the many public Mumble-servers run by the community, or host one yourself (see for more info). Mumla is a client for the voice chat system Mumble. ![]()
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