[Speex-dev] Re: bug or somthing like it :)

[Jean-Marc Valin]

Hi Julio,

I would definitely appreciate if you could send me an example of that.
Please send 1) the input file, 2) the speex-encoded file and 3) the
decoded file (that becomes unstable). 

	Jean-Marc

Le mardi 06 juin 2006 à 12:13 +0200, julio preciado a écrit :
> 
> 
>         
>         ______________________________________________________________
>         From: "Paul Bryson" <paul at msn.com>
>         To: "julio preciado"
>         <jepreciado at hotmail.com>,<webmaster at speex.org>
>         Subject: Re: bug or somthing like it :)
>         Date: Thu, 1 Jun 2006 18:57:43 -0500
>         
>         This address is for website issues.  For technical questions
>         about Speex, please contact the Speex mailing lists.
>                 ----- Original Message ----- 
>                 From: julio preciado 
>                 To: webmaster at speex.org 
>                 Sent: Thursday, June 01, 2006 10:04 AM
>                 Subject: bug or somthing like it :)
>                 
>                 
>                 Hi, 
>                 I am using Speex v.1.1.12 in a videoconference
>                 software application, using WinXP and 
>                 Visual Studio .NET 2003. I am compiling Speex in
>                 floating-point, 44kbps and UWB mode. Audio input
>                 is 32Khz 16bit mono. 
>                 the "problem" is that some times there are input
>                 signals produced by some mixers(hardware) in the 
>                 system (mic-mixer-encoder-network-decoder-speakers)
>                 that make Speex decoder unusable, it
>                 begins to produce a decoded output signal entirly
>                 zero(like a silenze).
>                 When I was debugging I dicovered that there are a lot
>                 of multiplications that produce floating 
>                 point overflow exceptions(Not A Number).
>                 functions like compute_rms(const spx_sig_t *x, int
>                 len) in file filters.c produce this kind of
>                 behaviour.
>                 I don't know if you alredy know this "problem" or not,
>                 but, if you want I can send you in a raw file 
>                 the bitstream encoded by Speex encoder.
>                 I've temporarily resolved it compiling Speex in fixed
>                 point mode.
>                 thanks.
>                 p.s. Congratulations for your work, Speex is the best
>                 WWW audio encoder.
>                 
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