[Speex-dev] SPEEX on iPhone ?

[Jean-Marc Valin]

Vincent Burel a écrit :
> ok, interesting !
> Do you know how much CPU it takes for a real time encoding/decoding ? it's
> more around 20% or 80% instead ?
> Do you know if it works for 44100 Hz / 32kbps / Quality =8 ?

Did I ever mention that 44.1kHz is *not* recommended. Usually, 16 kHz is
best, although 32 kHz can be good in *some* cases. In any case, you'll
need to listen to the result before deciding. I just want to make it
clear that higher is not necessarily better.

	Jean-Marc

> thanks again.
> Vincent
> 
> ----- Original Message ----- 
> From: "Ashhar Farhan" <farhan at phonestack.com>
> To: "Vincent Burel" <vincent.burel at vb-audio.com>
> Cc: <speex-dev at xiph.org>
> Sent: Wednesday, November 12, 2008 3:05 AM
> Subject: Re: [Speex-dev] SPEEX on iPhone ?
> 
> 
>> vincent,
>> it should work out of the box. real time speex should work on the
>> iphone as it has a really fast arm cpu (and speex works in realtime on
>> even the 201mhz arm cpus).
>> while compiling, remember to define the fixed-support support and you
>> are all set. narrow band (8khz) and 8kbps bitrate will work very well.
>> while you are at it, pse send the xcode project file to include in the
> tarball.
>> - farhan
>>
>> On 11/10/08, Vincent Burel <vincent.burel at vb-audio.com> wrote:
>>> Hello Ashhar,
>>>
>>> thanks for your reply, but i'm a bit surprised.
>>>
>>> 1- Does it mean that it is possible to make a Real Time
> Encoding/Decoding
>>> with SPEEX on iPhone ?
>>>
>>> 2- What parameters have been used (QUALITY, SAMPLING_RATE, BITRATE) ?
> and
>>> what kind of CPU load do they measure for that ?
>>>
>>> Thanks by advance,
>>> Vincent
> 
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