[pulseaudio-discuss] bluetooth headset connection and disconnection status

[Shinnosuke Suzuki]

Hi,

> pacat doesn't insert silence, the mixing procedure in the pulseaudio
> server does that if the stream doesn't have any data available when the
> sink needs it. What latency parameters do you give to parec and pacat?
> If you increase the latency, does that get rid of the problem?

I’ll check the latency parameter, and I’ll let you know the result of it.

Best Regards,
Shinnosuke Suzuki

> On May 4, 2018, at 23:00, Tanu Kaskinen <tanuk at iki.fi> wrote:
> 
> On Fri, 2018-05-04 at 21:13 +0900, Shinnosuke Suzuki wrote:
>> Hi,
>> 
>>> You're saying that the audio stops, but that there's no drop-out. Those
>>> two things mean the same thing to me, so it's unclear to me what the
>>> nature of your problem is then. By "drop-out" I mean a situation where
>>> there's a bit of silence inserted to playback, or a bit of audio is
>>> missing from a recording stream.
>> 
>> I'm sorry for I don't make it clear enough.
>> I heard the bit of silence from speaker of the bluetooth headset periodically.
>> So there's a bit of silence inserted to playback stream using pacat.
>> 
>> Since the pactl thread is occupied in some milli seconds,
>> pacat is not running during that time.
>> So I think pacat put some silence packet inserted to the playback stream in it.
> 
> pacat doesn't insert silence, the mixing procedure in the pulseaudio
> server does that if the stream doesn't have any data available when the
> sink needs it. What latency parameters do you give to parec and pacat?
> If you increase the latency, does that get rid of the problem?
> 
> -- 
> Tanu
> 
> https://liberapay.com/tanuk
> https://www.patreon.com/tanuk