[LAU] jdelay

Dragan Noveski perodog at gmx.net
Tue Apr 10 20:12:08 EDT 2007


Robin Gareus wrote:
> Dragan Noveski wrote:
>   
>> Fons Adriaensen wrote:
>>     
>>> On Wed, Apr 11, 2007 at 12:09:03AM +0200, Robin Gareus wrote:
>>>  
>>>       
>>>> Fons Adriaensen wrote:
>>>>    
>>>>         
>>>>> I missed the start of this thread, so I don't know what exactly you
>>>>> want to do... If it's measuring the latency of you soundcard, just
>>>>> cocnnect line out to line in !
>>>>>       
>>>>>           
>>>> yes, just measuring latency, If I can get more info it does not hurt,
>>>> though.. - I just connected a mic to jdelay  and jdelay's out to a mono
>>>> quaker, though now I do have a 3-way speaker but jdelay does not use the
>>>> bass..
>>>>     
>>>>         
>>> Why use speakers, headphones or mics ? Just use a cable !! Things should
>>> work then....
>>>
>>>   
>>>       
>> hi fons, if i understand you, connecting line in (or mic in) with line out?
>>     
>
> Hi dragan. let me answer for Fons..
>
>   
>> i connected now mic in with the line out and than in qjack i connected
>> alsa-pcm to jdelay input, and jdelay output to alsa-playback.
>>
>> i get this values:
>>
>> ....
>> 1055.521 ??
>>  1055.521 ??
>>  1055.520 ??
>>  1055.519 ??
>> ....
>>
>> what means that?
>> jack is running here with 48k, 512/4 frames/buffer.
>>     
>
> the "??" mean that there are possible errors. check your volume level.
>   
exactly, i had to pretty turn up alsamixer!
> And it means that a complete audio cycle (in->process->out) takes
> 1055/48000 = 21 [ms].
>   
ok, that is the onboard ac97, but i think that i got it.

cheers,
doc
>
> robin
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>   




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