Intermittent sound pops/crackles/static

pythion commented 10 years ago

+Intermittent sound pops/crackles/static using local mumble server. My issue seems to happen exclusively on local servers and here's a list of things I've tried. I'm using Windows 8.1 and Mumble 1.2.8.

Windows * Installed newer sound drivers * Ran with Windows XP, Vista, and 7 compatibility. * Changed playback default audio format * Disabled Sound Effects
Mumble * Old versions * Different qualities on server and client * Higher delay and jitter ms * QoS and TCP enabled/disabled

Kissaki commented 10 years ago

Could you check for packet loss? Right click yourself -> information.

pythion commented 10 years ago

2014 08 26 09 33

I'll check if other users have loss. I also tried having people turn off noise cancellation and modifying the opus threshold, but to no avail.

Kissaki commented 9 years ago

So, did you check the other users? Did you try increasing noice cancellation? Could you record an audio snippet, so we can hear what kind of category of issue it sound like?

ayala-io commented 9 years ago

I also have a similar problem that's been on going since I switched from Ventrilo to Mumble last year. I sometimes hear this crackle sound when someone begins talking (and only at the beginning). It most often occurs when that person hasn't spoken after a while (probably few minutes).

An example can be found in this video: https://www.youtube.com/watch?v=8NXWcJtoFUQ You can hear the 'crackle' at time 4:26, 9:33, 9:40

ayala-io commented 8 years ago

Any updated word on this?

Using the latest stable release of Mumble (1.2.10 for Windows), I have tried playing around with the amplification and noise suppression settings (min, max, mid) and users can still hear this intermittent crackling noise at the beginning of the my voice transmission. Likewise, I can hear this from other users. I also played around with the server settings to force OPUS and to use max 128 kbps bandwidth per user. Problem still exists.

Furthermore, I can sometimes force this crackle noise even in the Audio Wizard, particularly when I've been silent for a few minutes.

I also see on SourceForge there are other users complaining of this issue, particularly in this thread from 2010: https://sourceforge.net/p/mumble/discussion/492607/thread/ccdf8c36#d1f1

I have used Ventrilo before and never had this issue. Also recording my voice through other software shows no signs of this crackle noise. I'm currently looking for alternatives to Mumble now because of this crackle noise.

melroy89 commented 4 years ago

I also suffer from this 'plop' /'static tick' sound. Its definitely something due to Mumble, properly related to the sound buffer and/or the sound compression algorithm used in Mumble.

Please developers, take this issue seriously! Its a very annoying issue, since the rest of the time the sound is crisp expect those moments. Often when you start talking (goes from muted to unmute).

Ps. I'm using Mumble Client 1.3.0-1 using Linux Mint, with PulseAudio. But that doesn't matter since I see people suffer from the same issue using Windows. Ps.ps. It's happening even during the Sound wizard (local), meaning its definitely not a server<->client connection issue.

As said by many others, this crackle sounds doesn't happen in other applications.

melroy89 commented 4 years ago

OK, maybe I solved it under Linux.. I keep you posted.

I open alsamixer and changed the capture item (after pressing F4) to Gain: 0 dB, meaning no boost and also no lower. While alsamixer is open, in a different window save the settings using: sudo alsactl store. In the volume control (pavucontrol), went to the Recording tab. And put the sound on 100% (0dB), again no boost no nothing.

As you can see under Linux you already have multiple places to boost signal. If this really works, maybe you should change your advice my enabling mic boost. Since that is your advice in during the audio wizard.