[pulseaudio-discuss] Crackling Audio in Pulseaudio RTP Stream

[NicoHood]

Hey Sean
as I said I've setup pulseaudio via paprefs. I've enabled the RTP 
receiver and the sender with a loopback device. Basically I've checked 
all 4 checkboxes in the paprefs RTP menu.

And as I said, it also happens on the local host itself. I am also 
receiving (playing) the sound on the device that is the sender, via the 
loopback functionality. And thatswhy there is no lan/wifi issue, as it 
is completely local. But I use LAN anyways everywhere.

@Chris (from the other mail), I am also using puldeaudio 16.1 on 
ArchLinux, but sadly it does not fix it for me. :( Maybe you can find 
the bug report?

On 19/02/2023 07:46, Sean Greenslade wrote:
> On Sat, Feb 18, 2023 at 08:44:21PM +0100, NicoHood wrote:
>> Hey Guys,
>> I am using pulseaudio for years now, but since Version 14, maybe 15 there is
>> a crackling in the rtp stream. I've setup RTP just with paprefs, enable the
>> sender and local receiver on a separate audio device.
>>
>> I know that I am reporting this really late and the bug is there for some
>> years now. I hoped this gets eventually fixed, but it did not. I am using
>> the latest archlinux pulseaudio.
>>
>> Are you guys aware of the issue, does it also happen to you? It is just a
>> tiny crackling, but you can hear in on good audio boxes. It sound a bit like
>> the vinyl sound, just not so often. You can hear it on the sender via
>> loopback and on all other receivers as well.
> 
> Can you describe your setup in more detail? It's unclear if you're using
> pulseaudio as the RTP sender, RTP receiver, or both.
> 
> Occasional audible crackling is usually due to buffer underruns. Are
> your RTP streams going over a wireless network? If so, have you tried
> increasing the jitter buffer size on the receiver?
> 
> --Sean
>