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2008 Mar 27
2
How many RAM Speex need??
Jean-Marc Valin escreveu: >> My name is Vasily. >> I am a software developer from Ukrane, and i am going to use Speex on >> TMS320F28335 DSP-controller wich has only 68KB of RAM. > > Assuming you've got ROM to hold the code/constants and that RAM is only > used for variables, then 68 kB should probably be enough. I am concerned if the TMS320F28335 as a whole can
2008 Mar 27
0
How many RAM Speex need??
...n everything else from Flash, and run all that you need on this platform. It will take some experimentation, though, to work out what needs to be moved to faster memory. Hopefully, you can sort that out in the TI simulator. - Jim ----- Original Message ----- From: "Alain M." <alainm at pobox.com> To: "Speex List" <speex-dev at xiph.org> Sent: Thursday, March 27, 2008 11:10 AM Subject: Re: [Speex-dev] How many RAM Speex need?? > > > Jean-Marc Valin escreveu: >>> My name is Vasily. >>> I am a software developer from Ukrane, and i a...
2006 Dec 13
0
Sampling Rate
What would be speex configuration recomended for Telefone/Voip quality voice? With a quality just a little better/similar then G.729? or GSM? is there a comparison chart somewhere, but telephone quality oriented? Thanks, Alain Tom Grandgent escreveu: > Kirk, > > Speex was designed for 8kHz, 16kHz, and 32kHz sample rates. If you > don't use one of these sample rates,
2007 Jun 01
1
Noise suppression less than AGC gain
Jean-Marc Valin escreveu: > > Well, I can change the defaults and then people with different setups > (e.g. no noise and low input volume) will ask me to change it the other > way... In the end, the only fix is to improve the AGC adaptation > decision, including (but not only) the VAD. Could that be a run time variable? So it could be adjusted somehow by a user interface, for
2007 Jul 24
1
Speex on ARM
I have to define a project that will have speex in the future. Can someone give me information about Speex running on an ARM7TDMI(v4) such as AT91SAM7S64? I will expect to use AEC, AGC noise reduction, encode and decode. Is this supposed to run? Or do I need something faster or different? Just for information: the chip runs at 55MHz, 1 wait stat in 32 bit mode or 0 wait in thumb mode. I
2008 May 19
0
CELT 0.3.2, listening tests
Hi Jean Marc, I was very impressed by the comparative results. Could you give a bit more information about what really are 7kHz and 3.5kHz in the 48kHz table? I am looking forward that this will bring a bigger separation between the basic tools and speex in a sense that the basic tools could be used with more than one codec. I even understand that there is interest in the tools alone (Echo
2008 Nov 17
1
Porting Speex to embedded 32bit
Hi Jen-Marc, this news were very interesting because of what I intedd to use speex for... Can you make some personal comments about that? Were you involved or consulted about it? Will it make it's way into the official version? I remember that you commented a long time ago that the DSPIC version was too much of a tour-de-force to make it to the official version, but this is a much nicer
2008 Feb 01
1
speex on embedded processor
Hi Jean-Marc, will you include these optimizations for minimal ram usage in the main version? Maybe if Peter sends a Patch... Thanks, Alain Jean-Marc Valin escreveu: > Sounds like you did most of what you needed to do. Using a coverage > analysis tool might help you remove bits of code here and there (e.g. > unused _ctl() cases), but the main part is done. About the preprocessor,