Re: [Linphone-users] [SOLVED] Linphonec echo cancellation on a BeagleBoard - extremely high CPU use.

[Federico Lorenzi]

Now - a call using Ulaw shows about 20% usage in top with echo
cancellation. This is on a BeagleBoard rev C.

On Tue, Dec 21, 2010 at 4:28 PM, Dragos D <address@hidden> wrote:
> So how much of the processor is used now?
>
> On Dec 21, 2010 6:26 AM, "Federico Lorenzi" <address@hidden> wrote:
>> Sorry for the noise - looks like I fixed my own problem here.
>>
>> Recompiling Speex with --disable-float-api and --enable-fixed-point
>> seems to have gotten everything working at good speed. Seems like the
>> Ubuntu ARM package isn't compiled specially.
>>
>>
>> On Tue, Dec 21, 2010 at 11:09 AM, Federico Lorenzi <address@hidden>
>> wrote:
>>> Hi everyone,
>>>
>>> I'm running Ubuntu 10.10 on a BeagleBoard with the Linphone package
>>> installed (3.3.2).
>>> Calls work without the echo canceller, but are obviously quite echo-y.
>>> The system is set up as a speakerphone essentially, and if I
>>> understand correctly, this is one of the exact situations an acoustic
>>> echo canceller is designed to help with. (As opposed to far end echo,
>>> etc.)
>>>
>>> I've tried various different numbers for the "ec on" parameters, but
>>> no matter what I try (including numbers found at
>>> http://www.mail-archive.com/address@hidden/msg02533.html)
>>> CPU usage goes extremely high, and the call becomes choppy. Linphonec
>>> is shown using all of the CPU in top.
>>>
>>> If it counts for anything I'm using Ulaw and it's registered to an
>>> Asterisk box.
>>>
>>> Cheers,
>>> Federico
>>>
>>
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