[pulseaudio-discuss] Pulse Audio 4.0 gets killed by 300 Hz tone...never recovers

[Robert Krakora]

If I convert 300HZ.wav to 48K and play with PulseAudio 4.0, it sounds
fine.  If 44.1K motorboats with PulseAudio 4.0 should it not also motorboat
with straight ALSA 1.0.25?


On Mon, Jun 24, 2013 at 5:50 PM, Robert Krakora <
rob.krakora at messagenetsystems.com> wrote:

> If I play 300HZ.wav sampled at 44.1K with straight ALSA 1.0.25 it sounds
> just fine.
>
>
> On Mon, Jun 24, 2013 at 5:49 PM, Robert Krakora <
> rob.krakora at messagenetsystems.com> wrote:
>
>> OK, I took the 300HZ.wav file and retested locally with Asterisk 11.4 out
>> of the equation.  It is sampled at 44.1K and motorboats with
>> 'resample-method' set to any value.  If I convert the file to 8K it then
>> plays fine with 'resample-method' set to any value.  I am confused.
>>
>>
>> On Mon, Jun 24, 2013 at 5:15 PM, Robert Krakora <
>> rob.krakora at messagenetsystems.com> wrote:
>>
>>> Hello,
>>>
>>> I had 'resample-method' set to 'speex-float-1' when it was previously
>>> set to the default which I believe is 'speex-float-3'.  I meant to set it
>>> to 'speex-float-10' to see if the "motor-boating"
>>>  would go away...looks like I forgot the '0'.  The wave files over SIP
>>> via Asterisk 11.4 now sound really smooth going from 44.1->8->44.1...maybe
>>> it was the up-sampling that was killing me.  With a better re-sample
>>> algorithm the motor-boating appears to have disappeared with only a
>>> sacrifice of 15% CPU on the dual core Atom with which I am working.  If
>>> this was indeed the problem, I am going to feel really stupid getting you
>>> guys involved.  :-(  Thanks for your prompt responses.
>>>
>>> Best Regards,
>>>
>>> Rob
>>>
>>>
>>> On Mon, Jun 24, 2013 at 3:25 PM, Thomas Martitz <kugel at rockbox.org>wrote:
>>>
>>>> Am 24.06.2013 21:03, schrieb Tanu Kaskinen:
>>>>
>>>>  On Mon, 2013-06-24 at 11:36 -0400, Robert Krakora wrote:
>>>>>
>>>>>> Basically, the 300Hz tone "motor boats" when played over SIP via
>>>>>> Asterisk.
>>>>>> Every tone that previously played well over SIP via Asterisk then also
>>>>>> "motor boats".
>>>>>>
>>>>> (Please don't top-post.)
>>>>>
>>>>> If you record from the alsa sink while this motor-boating is happening,
>>>>> is the audio in the recorded file fine? You can record with for example
>>>>> this command:
>>>>>
>>>>>       parecord --device=NAME_OF_THE_MONITOR_**SOURCE > ~/tmp/test.wav
>>>>>
>>>>> Replace NAME_OF_THE_MONITOR_SOURCE with the name of the monitor source.
>>>>> You can list the available sources with "pactl list sources short",
>>>>> hopefully you're able to figure out which of the sources is the correct
>>>>> one (it's one of those that end with ".monitor").
>>>>>
>>>>>
>>>>
>>>> And if not you could feed the recorded file to paplay with different
>>>> sample rates to see if resampling isn't done correctly somewhere.
>>>>
>>>> Best regards
>>>> ______________________________**_________________
>>>> pulseaudio-discuss mailing list
>>>> pulseaudio-discuss at lists.**freedesktop.org<pulseaudio-discuss at lists.freedesktop.org>
>>>> http://lists.freedesktop.org/**mailman/listinfo/pulseaudio-**discuss<http://lists.freedesktop.org/mailman/listinfo/pulseaudio-discuss>
>>>>
>>>
>>>
>>>
>>> --
>>> Rob Krakora
>>> MessageNet Systems
>>> 101 East Carmel Dr. Suite 105
>>> Carmel, IN 46032
>>> (317)566-1677 Ext 212
>>> (317)663-0808 Fax
>>>
>>
>>
>>
>> --
>> Rob Krakora
>> MessageNet Systems
>> 101 East Carmel Dr. Suite 105
>> Carmel, IN 46032
>> (317)566-1677 Ext 212
>> (317)663-0808 Fax
>>
>
>
>
> --
> Rob Krakora
> MessageNet Systems
> 101 East Carmel Dr. Suite 105
> Carmel, IN 46032
> (317)566-1677 Ext 212
> (317)663-0808 Fax
>



-- 
Rob Krakora
MessageNet Systems
101 East Carmel Dr. Suite 105
Carmel, IN 46032
(317)566-1677 Ext 212
(317)663-0808 Fax
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