Mi R4ultra ds me va muy bien
Wed, 7 Jan 2009 13:33:32 +0100
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XP Vista & Office Cheap!
Wed, 07 Jan 2009 03:49:51 -0800
XP Home US$19, Pro US$29
Vista US$29 Up
MS Office US$49 Up
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???q?V?^?f?U?_?h?Z ?^ ?]?U?`?U?]?q?W?U?_?h?Z
Tue, 06 Jan 2009 06:23:47 -0800
ÈGÈHÈEÈP ÈcÈU ÈBÈCÇõÈPÇý ÇöÈCÇ÷ Çü ÈEÈCÇúÇ÷ÇøÈFÈGÇõÈC 2008-09!
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IDirectSoundBuffer8::GetCurrentPosition return incorrect positon
Wed, 24 Dec 2008 19:19:00 -0800
hi all
i use directsound api renderering audio. in my project, i create a position
notify buffer, the buffer size is 76800 byte, and notiy size is 15360 byte
DSBUFFERDESC dsbd;
ZeroMemory( &dsbd, sizeof(DSBUFFERDESC) );
dsbd.dwSize = sizeof(DSBUFFERDESC);
dsbd.dwFlags = DSBCAPS_CTRLP ...
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sampling the microphone-DSP
Wed, 24 Dec 2008 02:08:00 -0800
hi,
i want to sample the microphone and to get just the samples.
i dont want a wav file.
i want to control the sampling frequency and the number of levels.
and later i want to use the speakers in order to play the sound.
again,i just want to use the a/d and the d/a,and not the play wav files..
where can i ...
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Downsampling from 24bit PCM audio to 16 bit PCM audio
Mon, 22 Dec 2008 02:14:10 -0800
Hello,
I have to downsample 24bit PCM audio to 16bit PCM audio.
I read simple way is:
int twentyfour;
unsigned short sixteen = (unsigned short) twentyfour >> 8;
Is above method fine? Wont it lead to degradation of audio noise?
Is above method applicable on any Khz file?
Won't I have to map 24bit value t ...
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WMP 11/Vista UI/DSP plugin interaction problem
Fri, 19 Dec 2008 00:53:00 -0800
Hi,
I hope this is the right place to ask this question.
I have a WMP GUI plugin that is used to display/control some parameters from
a audio DSP plugin. The interaction between these plugins works fine in
Windows XP but in Vista it only works fro some file formats. When playing a
wav file I can adjust the ...
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AEC for Xp using DirectSound API
Thu, 18 Dec 2008 21:41:32 -0800 (PST)
Hi ! Friends
I am writing an application to cancle the acoustic echo
canellation in Xp. I got that we can achive this with the help of the
DirectSond Full duplex API. But the problem i faced that, I am getting
the captured voice with a repetations when played during the capture
and I am also writ ...
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Capture play back with AEC for Xp
Thu, 18 Dec 2008 20:50:05 -0800 (PST)
Hi! ALL
I am working on the AEC for Xp I got idea of how the AEC
is performed in Xp but I am getting the captured and played data bit
improper. Mean to say I found some repetation in the captured data
when it is played during capturing and also I wrote this capture data
in a wave file.When I pla ...
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Audio Rate Resampling Sync Problem
Thu, 18 Dec 2008 16:19:49 -0800 (PST)
I made a DShow graph to encode a DV stream from a camcorder to DVD
compliant elementary streams. The camera DV stream delivers a 32 Khz
audio rate and it needs to be converted to 48 Khz. The graph
automatically adds the ACM Wrapper filter which uses Microsoft ACM
components to resample the audio stream. The p ...
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