Direct Sound Input Capture?

Sep 12, 2009

How can i capture my input that is electric guitar using directsound through microphone port and can i detect the frequency of that captured sound?

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Capture Sound - Using Mcisendstring Function But The Sound Quality, Is Poor?

Jun 20, 2011

I have a question about of capture sound function, someone have a code example for visual basic 2010 in windows 7?, I tried using mcisendstring function but the sound quality, is poor.

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Use Direct Sound To Play A Wav File

Nov 25, 2009

I am trying to use direct sound to play a wav file, so I may animate a picture box while the wav file is playing. I have made a device object and a secondary buffer object and when I run the program I get an error message(see attached image), but after I click continue, the wav file plays and it plays every time I click the play wav button. I am using a test project to work out the bugs before I implement the direct sound in my other project. Below is the the code I am using. Can someone tell me what I am doing wrong? The code needs a form named form1, and a button named xPlayButton.

[Code]...

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Direct Sound, Vu Project, Levels Bounce Or Change?

Feb 4, 2011

With a steady tone feeding my audio input jack, the VU meters jump and bounce about 30%. I can also see the problem in the byte array of the capture buffer. I am running 8 bit mono so there isn't a chance that I'm getting a byte swap in a 16 bit word. My on board sound card is "Realtek HD Audio Input", direct sound 1.0.2902.0 and XP. Here is the real kick in the head, if I run anything that captures sound using the winmm library or if I use the winmm library in my application along with direct sound, the meters become stable. No errors are reported. Although I have written this in vb.net, I download another persons application that was written in C++ that uses direct sound with the same bouncing meters. I used the VU meters in Audacity to look at my audio levels and they are stable.

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Direct Sound Code Runtime Exception : FileLoadException Was Unhandled?

Jan 8, 2012

I am using visual studio/visual basic 2010 express,installed Microsoft DirectX SDK (June 2010),

added reference in my project by add reference>Browse>C:WINDOWSMicrosoft.NETDirectX for Managed Code1.0.2902.0Microsoft.DirectX.DirectSound.dll(5.4.0.2904)

[code].....

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VB 2010 Direct Input With GamePad?

Jul 26, 2011

I have a form with 2 labels on it, the first label displays the USB game pads name (once found) the second i want to display the button pushed, here's what i have so far:

Imports Microsoft.DirectX.DirectInput
Public Class Form1
Public _device As Device

[code].....

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Input Any Words In Textbox - The Program Will Reply By Sound Of What Input In The Textbox

Jul 7, 2009

i use visual basic 6 i already try making a button to play sounds. by clicking the button and the sound will out. so that i want to know were could i start, when you input words in textbox the program will speak what you have type in the textbox.
_

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How To Play Sound UNTIL Hardware Input

Jun 16, 2009

I have a need to play a continous tone, say 1000 Hz, until the user responds. I'm aware of the following:

'Sound Player...plays wave files.
Dim sp as New SoundPlayer
sp.SoundLocation = <MyWave.wav>
sp.Play

[Code]...

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VS 2008 Measure Mic Sound Input?

Aug 5, 2009

I am wondering if anyone can point me in the right direction.

I would like to add mic input into my application.

I am thinking of having text boxes in a vertical row. When the user speaks into the microphone the text boxes will be filled according sound level.

I could find anything that does this using the .Net framework.

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Capture Input From USB?

Aug 27, 2010

Searching found many answers along the lines of it depends on the device driver", but I don't think that it's that way here.

I have a cheap & nasty RFID tag reader. You just have to open notepad, touch a tag to the read and its serial number appears in notepad (I have not tried it in Linux).

Anyhoo, how can I programatically capture this serial number in VB.net (20088 express)?

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Analyzing Sound Level From Microphone Input?

Mar 27, 2009

I have a external hardware that has a miniplug output that i connected to my pc microphone input. That output has two posible states, white noise or no sound at all.What im trying to do is an application that would fire an event every time there is a change from one state to the other.

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Trigger Sound Files With Joystick Input?

Jan 31, 2009

What I am trying to do now is design a program that will play 4 different sound files depending on the position of a joystick. I am not looking for any kind of gradient to be involved. Any kind of forward position should play the file associated with "forward". Any kind of left position should play the file associated with "left". And the same for "back" and "right".

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Triggering Sound Files With Joystick Input

Jan 31, 2009

I have only started using VB yesterday and have managed to make some very basic programs run. What I am trying to do now is design a program that will play 4 different sound files depending on the position of a joystick. I am not looking for any kind of gradient to be involved. Any kind of forward position should play the file associated with "forward". Any kind of left position should play the file associated with "left". And the same for "back" and "right".

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Capture Input From .net Interface?

Jun 21, 2010

i am doing a project in which i am trying to capture input from vb.net interface use the captured input to do calculation in excel and return the output to vb.net interface. the major haddle is linking vb.net with excel.

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Way To Capture Keyboard Input

Mar 23, 2010

I have USB RFID reader which acts like a keyboard; how can I capture the keyboard Input?

As Windows 2000 and Windows XP obtain exclusive access to Input and Output reports for keyboard/mouse devices.

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Capture Keyboard Input With Text Boxes?

Jul 13, 2011

I was a professional software designer using VB6. Now that I've converted to VB2005 years later, use, with pages of unrelated information. With VB6 I could use Left$, Mid$, etc to parse keyboard input into a string. For example in the KeyPress event of a name box I could use

Case "A" To "Z"
CFName$ = Left$(CFNameBox.Text, CFNameBox.SelStart) + Key$ + Mid$(CFNameBox.Text, CFNameBox.SelStart + CFNameBox.SelLength + 1)

When converting a program from VB6 to VB2005 the software changed the line to

CFName = VB.Left(CFNameBox.Text, CFNameBox.SelectionStart) & Key & Mid(CFNameBox.Text, CFNameBox.SelectionStart + CFNameBox.SelectionLength + 1)

When writing another program I used the VB.Left(), etc, but it gives me an error. So, the question is, what is the correct way to capture keyboard input from text boxes and construct strings?

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Capture Raw Signal From WiFi Card As Would A Sound Card

May 9, 2012

Is it possible to capture the raw signal from a WiFi card in the same way you can capture the signal from a sound card? (I already found code for working with a sound card and for drawing spectrograms) I'm wondering because it would make a cool radio-type project. I'd prefer a solution that integerates well with .net (VB or C#).My basic goal is to capture the ambient radio waves and build a primative "telescope" of sorts. Using the built in computer hardware is just the easiest way to accomplish this. If you have any other suggestions about how to accomplish this goal in a different way please post it as an answer also.

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Play Another Sound (like A Beep) When Desired Without Stopping The Background Sound?

Apr 19, 2009

I have background sound loop with the My.Computer.Audio and it works fine. I want to play another sound (like a beep) when desired without stopping the background sound. Several examples I have found don't seem to work. I am in VB.NET 2008 Professional.

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VS 2010 Adding Sound To A 3D Game / Finding A Sound Library?

Aug 24, 2011

I'm ready to start adding sound to a 3D game and I'm looking for a decent Free library.it would not require DX and be something like:

dim MySound as SoundLib.Sound
MySound = SoundLib.LoadSound("soundfile.wav")

SoundLib.Play3DWorld(Location.X, Location.Y, Location.Z, VolumeModifier, MySound)so far all Im finding is expensive, C#, old, or not .NET compatible.

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How To Save Sound They Make And Catshing A Sound Recorder

Aug 14, 2009

im making a techno progam in visual basic 2008 and after 3 hour im think how to save the sound they make and catshing a sound recorder but what the code im try to find on internet but find 0 pleas give me the code im try to find

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VS 2010 Using 3 Or More Sound Outputs Or Multiple Sound Devices

Jul 21, 2011

I'm creating an application that will have 3 streams of audio. I can get 2 streams playing easy enough using DirectX AudioVideoPlayback and setting the balance for each Audio Instance. However, I need a 3rd Audio instance to play out of another output such as the Rear or Centre. An alternative would be to be able to select a different sound device in the machine to play the 3rd audio stream.

[Code]...

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Get The Decibel Level Of Sound Being Sent To The Sound Card?

Apr 15, 2010

I need to get the decibel level of sound being sent to the sound card (not the actual sound level the speakers are instructed to emit via volume level)There is next to no information i can find on the net to even access sound data. Could anyone point me in a direction for this? The OS will be vista/7.

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Using 3 Or More Sound Outputs Or Multiple Sound Devices

Jul 21, 2011

I'm creating an application that will have 3 streams of audio.I can get 2 streams playing easy enough using DirectX AudioVideoPlayback and setting the balance for each Audio Instance.However, I need a 3rd Audio instance to play out of another output such as the Rear or Centre.An alternative would be to be able to select a different sound device in the machine to play the 3rd audio stream.I've been searching the net for 2 days now trying to find a solution, but have so far been unsuccessful. I've tried a few alternative libs such as DirectShow.Net, DirectSound, BASS.Net, QuickTime and OpenTK.Some of them do what I need to do, but they are either too difficult to use and therefore impractical or they are missing some other essential features such as Events which are required to make the rest of the application work. Would anyone oppose to me posting this same thread on other forums?I will of course post a solution if one is found elsewhere without advertising external websites.

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Build A Small Program Which Will Allow Some One To Click On The Exit Button And The Sound Will Play And At The End Of The Sound The Program Will Then Close?

Apr 17, 2009

I am trying to build a small program which will allow some one to click on the exit button and the sound will play and at the end of the sound the program will then close. The sound clip is about 3 seconds long Here is what I have:

Imports Microsoft.DirectX
Imports Microsoft.DirectX.DirectSound
Public Class Form1
Private Dsound As CSoundDevice

[code]....

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Direction For Sound Through Sound Card?

May 27, 2011

Is there a way to generate a pure tone (e.g. 440 Hz) for a specified period of time through the sound card without using having to find or make a separate .wav file for each tone.I tried using the "Beep" function, but while it produces the tone for a specified period, it sounds broken up into a (probably 500ms) time frame which repeats with an audible space between the repetitions.

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How To Record Sound From Sound Card

Dec 18, 2011

how to record sound from sound card ?

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VS 2005 Disable The Sound Card And Enable The Sound Card By Using Command Button?

Jun 27, 2011

i have windows app i want to disable the sound card and enable the sound card by using command button

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Packet Capture And Threading, Capture Library Waits For "thread Stop"

Apr 5, 2009

So I am hacking together an app which listens to traffic using SharpPcap library, it reconstructs the packets from sessions using the code from TpcRcon.

Listening and reconstructing part work on their own . What I want is on each packet arrival main window gets an event so it can display the packet , and when session is reconstructed display a complete packet (I am interested in HTTP ones) . -That is where it breaks with weird symptoms: for example right now it does not stop on invoking stop listening method - the sharppcap library function hangs there forever waiting on this line of code : m_pcapThreadEvent.WaitOne();//wait for the 'stopped' signal from thread

I also had it not working and crashing in sharppcap function because I had omitted one parameter in form delegate- which makes no sense, because form delegate does not deal with packet capture at all and only reacts on "New Packet" event from my "Listener" class (which is only there to notify main form)

My app starts as module main instancing class "Listener". MainForm has it
registered as friend with event and handles even "New Packet"

Main Form:
Private Sub uiListenStart_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btListenStart.Click
aLogger.AddMessage("Started Listening")

[Code]....

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Direct To The Right Forum

Oct 18, 2009

I am developing a web site in Visual Basic 2008 using .NET Frameworks 3.5 on an IIS7.0 web server and I am having a problem with a simple error page redirect. Furthermore I only have ftp access to the webserver in a web hosting environment. I am having problems with some errors and not others, mainly error 401 is the problem.<customErrors defaultRedirect="~/Default.aspx" mode="On" > </customErrors> this is the custom errors section of my [URL] file,

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How To Use Direct Music In W7

Aug 26, 2011

I've d/l the DXSDK Jun10 version twice now and run the installation but I still can't find any reference to Direct Music (or even directx) in add reference. So how do you use direct music in VB.Net and W7?

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