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Capture Post-AEC Audio Samples On Windows XPHello, We need to apply Microsoft AEC on the audio samples captured from a local microphone, and then send these post-AEC (echo-free) samples to another computer for playback. We can do AEC...
Unresolved External Symbol _IID_IKsPropertySetHi, In my static library, I'm trying to use the IKsPropertySet interface to retrieve the waveDeviceId from DirectSound device GUID. But when I compile the test program that use my lib I get:...
Detect Sound Recoding EventHi, I wish to write a program that will detect when ever some windows application starts recording through the sound card (Windows Sound Recorder, Cubase, Audacity, etc...) Can someone help me with...
Notifying WMP.Hi, I work on filters for windows mobile 6.0. There is a scenario where I notify pause command to WMP.Iam using SendMessage() for this. But it works only once for me. Can anyone tell me how is there...
Error Linking DirectSound App Under XP 64-bit With March 2009 DireI'm trying to compile a C++ DirectSound application using Visual Studio 2008 Enterprise Edition with the March 2009 DirectX SDK on Windows XP 64-bit. I have specified x64 and checked that the include...
How To Modify The Captured SoundHi all, I'm new to DirectX application development, and i seek some help from this group. Problem Statement: I've a USB microphone, that sends the sound data via USB at 44.1khz. I need to capture...
Howo To Play Mono Audio In 7.1 Channel Wide Speaker SettingHi, I am using WAVE_FORMAT_EXTENSIBLE strcut to create the play buffer as below, WAVEFORMATPCMEX wave_fromat_set; wave_fromat_set.dwChannelMask = 1; wave_fromat_set.SubFormat = KSDATAFORMAT_SUBTYPE_PCM...
Determine Position In Sound FileHow can the current playback position be determined using DirectX? If I have a long sound file, I would like to determine where the current playback position is so i can update a progress bar....
DirectSound - Setting The Cooperative Level GloballyHi, Some applications (mainly games - no surprise) systematically set the cooperative level to DSSCL_EXCLUSIVE and don't make this behavior an option. This has the very annoying effect of making...
WASPI Speaker ConfigurationHello All, I am going to be using WASAPI for audio playback and I want to give the users of my application the ability to set the Speaker Configuration of the audio endpoint. So if the hardware...
Very Few Effects For XAudio2 On XP?Hi, we want to change from DirectSound to XAudio2 and still have to use it on WinXP platform. But we need a "compressor" (effect). I tested it in DirectSound, but I could not find it for Xaudio2...
Win32+DirectSound: Trouble Handling NotificationsHi all, I am coding a recording app using Win32 API and DirectSound. As the DirectX SDK doc instructed, I have accomplished the following (and having troubles thereafter), 1. Created the capture...
DirectSound Throwing "Error In Application"Hi there Have been totally pulling my hair out with the above error. It is occuring when I try to initalise the capture buffer as follows: dxCaptureBuffer = new CaptureBuffer(dxCaptureBufferDescription...
DirectSound Throwing "Error In Application"Hi there Have been totally pulling my hair out with the above error. It is occuring when I try to initalise the capture buffer as follows: dxCaptureBuffer = new CaptureBuffer(dxCaptureBufferDescription...
How To Get Notification For The Device Conected On The HDMI PortHi Friends!!, As I am new to this technology I wanted to know how I can get the notification of the device connected to the HDMI port. And also how I can come to know which device...
I Want To Create A Hyperlink In My DialogboxHello Sir/Madam I want to create the hyper link in my dialogbox box,So that i can access some documetns after cliking this string (hyper link).Stated in the dialog box. I...
Kernel Streaming && Spidifkernel streaming && spidif i download a kernel streaming sample(directks) from microsoft wedsite. and i modified the code, applied it in my application, i can use kernel streaming renderer all pcm...
Automatic Voice Codecs Quality Checker - Partners SearchHi, Posting for a friend: there is a software that may be demanded by many industries industries (telecom, mobile, VoIP, etc). Here is the link to it: http://www.sevana.fi/audio_speech_codecs_quality_analysis...
Audio/video Is Out Of Synci m sending data on n/w using a/v dmo encoder. when i start receive app 1st then it works fine, but when i start transmit app first, then audio/video not in synchronization. i checked timestamp but i...
DirectSound Default Device ChangesI'm using DirectSound for capture and playback in an application, and I always open the default capture and playback devices by passing 0 to DirectSoundCreateFullDuplex. This works fine, but I find...
DMO AEC In Filter ModeHi! Hello all I am writting an appication for voice capture using DMO in filter mode.I followed all the steps as given in the "using voice capture DMO" in SDK documents. But I getting failed...
Newbie : Mic Capture Width Ms Vc++Hi everyone. I'm absolutely new to sound programming with ms vc++. In your opinion, what is the best way to capture audio from the microphone using ms vc++ ? Thanks a lot.
What Is Error 0x8007007B "The Filename, Directory Name, Or Volume Label Syntax Is Incorrect."Encountered an exception when trying to run a filtergraph in a capture app: 0x8007007B "The filename, directory name, or volume label syntax is incorrect." I haven't been able to locate any info...
Mobile - HTTP MP3/MP4 Audio PlaybackHello all, Does anyone knows how to playback on a Windows Mobile device, mp3 or mp4 audio files stored on an HTTP Server? As far as I know : - Using WMP control on url will failed because...
Advantage Of CaptureGraphBuilder?What is the advantage of using CaptureGraphBuilder vs hand-building the equivalent filtergraph? Is this documented in detail somewhere? The DS SDK docs aren't real specific.
How To Install .acm FileFor example, I found "DivXa32.acm"... Just curious how to install it on Windows so that ACM Wrapper filter can use it... Thanks!
Audio Device Disconneciton, Using RDP On VistaHello All, I am using Vista OS. 1. Connect to Vista using RDP 2. Play WMA file in WMP. 3. Disconnect RDP session. 4. Reconnect RDP session. 5. A message box is displayed "An audio device was...
Questions Of RAW Audio FilesI have some questions of raw audio files... 1. Audio files of extension .raw are raw audio file. Just wondering how a player can interpret the data inside such kind of files, since their audio...
Directx SDK (August 2008)I have an application that uses DirectSound; it is a live-stage automation and control system for music and sound effects. Looking to the future I have begun to think about the next major revision of...
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Question About DwChannelMaskFirst, my setup: I'm using DirectX/DirectSound 9.0c, June 08, with a Creative Sound Blaster Audigy HD and latest drivers. I've got a 5.1 speaker set plugged in and configured correctly. Now...
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IbasicAudio Implementation Not Working Fine In Windows VistaHi All, I have implemented IBasicAudio interface in my filter. I want to use it as Audio renderer. The problem i am facing is that this implementation is working fine in Windows XP but somehow it...
Sound CardLast week my computer failed so I bought a new hard drive and a new power unit. I found that it was the power unit that had failed so have kept the old hard drive as it held all my programmes. Since...
Two "strange" Audio FilesTwo strange audio files: One is WAV and the other is MP3. The strange thing about the WAV file is that in its data section contained about 2000 bytes of 0. This file is encoded with one tool. Other...
Does Anyone Have Some Trouble Using"Beginning Game Audio ProgrammiGreetings to everyone. : ) I???m learning some audio programming and, for that reason, now I???m following with the book "Beginning Game Audio Programming" by Mason McCuskey, but I have experienced...
Audio File Type Recognition QuestionHi. I'm writing an application that has to load/play audio files. It has to run on XP/Vista (and Mac OS X) Question is, how to recognize a type of audio file we're loading? Basically, I want to know...
Crash In DirectSound's CaptureBuffer.ReadHi, I'm making a very simple sound recording application in C#, with two buttons -Recording 'Start' and 'Stop'. But the problem is, my code throws an exception in CaptureBuffer.Read() AT RANDOM ......
How To Let Sysaudio.sys To Recognize Avssamp Filter's Audio Pin?I develop my a/v driver base on WDK 6000 src/avstream/avssamp. In the sample, the filter has two output pins, one is video pin, another is audio pin. After install the driver, I can find this filter...
How To Set SCMS On S/PDIF Output ?Hi all, I am searching the way of setting SCMS. A sound driver have KSPROPERTY_AUDIO_COPY_PROTECTION. typedef struct { BOOL fCopyrighted; BOOL fOriginal; } KSAUDIO_COPY_PROTECTION...
16-bit PCM Wave FilesHow can tell if the sound data are in little-endian or big-endian? How to tell if a PCM format uses integers or floating point? Isn't it important for a player like WMP to know what kind of wave...
[XAudio2] Mapping Channel Indices To SpeakersIn XAudio2, does the mastering voice map channels to speakers in the order they appear in the header file? I can't actually find documented what the 'meaning' of, say, the third input channel to the...
Yet Another VU-meter PostHello, I am working on a program in which I would like to have a real-time VU- meter. I have got experience with DirectShow programming and it seems that I need to use the SampleGrabber filter...
Why File Writer Filter Don't Get Samples (E_INVALIDARG)?Hi. I try to modify LAME Direct Show Filter code to enable connect it directly to FileWriter filter. So I get LAME 3.98b8 sources. Modify code to enable use { &MEDIATYPE_Stream, &MEDIASUBTYPE_MPEG1Audio...
Audio Mixer Filter DeadlockHi I am developing an audio mixer filter... Heres how its structured. The filter derives from CBasefilter, GetPinCount and GetPin are overridden. There are 2 CBaseInputPin based pins and 1...
API Comparable To Mac's Core Audio File ServicesHi All, On Mac OSX there is a really handy API for reading/writing audio files as part of Core Audio called Audio File Services. I would like to know if there is an equivalent API available on...
Programatically Select Recording SourceHi All, Is there a way to programatically select or deselect the recording source (Line In, Stereo Mix, Mic etc) using some DirectX interfaces? I am writing my program in C#. Thanks In Advance...
Computing Parameters Of X3DAUDIO_DSP_SETTINGSHi, We're doing some auditory behavioural experiments and we'd like to use an existing 3D positional audio framework. In order to use XAudio2 we need to know how each member of the X3DAUDIO_DSP_SETTINGS...
Programmatically Switch To Audio Creation Mode On An X-Fi Card?Hi all, I need to programmatically switch the user's X-Fi sound card to "Audio Creation Mode". Does anyone know of a method to do this? I am writing an application that requires a lot of mixing...
How To Capture Audio Data In A Background Process?Hi, I need to develop a background program that will capture and analyze all the audio data being played by any application on the PC (independently of which API the application is using to play...
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