ultrasound microphone

This tutorial mainly uses Photoshop to draw a microphone for stereo effects. I like this tutorial very much. Especially the metal effect of the microphone head. Very creative, with unique ideas. let's take a look at it first. Draw microphone Lesson 1: plug Lesson 2: MicrophoneStep 1: Create a microphone head1

Silverlight4beta brings a much-anticipated new feature: Support for cameras/microphones. This article will demonstrate this new feature through an instance of camera operations. Our instance mainly implements the following functions: Display Device Name Start/stop video capture Real-time image capturing The microphone usage is similar to that of the camera and cannot be intuitively displayed. Old Rules: Let's create a simple UI first. The XAML

Step one, first check the bottom right corner of your taskbar to find the speaker icon, and then right-click the icon, and then pop up a dialog box, select the "Recording device" on the window, as shown in the picture: After selecting a good recording device, a sound Properties window will pop up, select the default device microphone on the window, and then right-click the option to pop up the dialog box and select the "Disable" option. A

Fault Description: When you use the WinXP operating system, you are prompted to "Windows cannot change your password" When you make a password change, and the dialog box prompts the screenshot as follows: Method/Step: Step one: Make sure the microphone jack is connected correctly, generally with a microphone headset has two sets of wiring plugs, a group of green plugs (that is, he

Android microphone audio sampling and usage Some codes of Android phone microphone sampling are found online. Sample results and functional code of your app: 1. In some apps, You need to obtain and use the audio input of the microphone, for example, a hot skirt; 2. Sampling thread: Public class MicroLevelRunnable implements Runnable {Private static final String t

After iOS10, you need to add various permissions in the Plist file:As follows:Here are just a few examples of photo albums:plist file added, Privacy-photo Library Usage description,value value for the description, pop-up prompt box will be displayed.After you have upgraded to IOS10, you need to set the following permissions: Microphone Permissions: Privacy-microphone usage Description Do you want to all

I have written an application, need to play the real-time audio, and to play the sound from the microphone, for this, do the following:Step 1: InitializeAudiosessioninitialize (Null,null, NULL, self);Step 2: Must be set to this ability to ensure microphone mode successUInt32 sessioncategory = Kaudiosessioncategory_playandrecord;Audiosessionsetproperty (kaudiosessionproperty_audiocategory, sizeof (sessioncat

the function of Win7 microphone listening function Simply put, you turn on the microphone listening function can be in the speaker in the speakers to hear their own voice, and everyone K song when the same truth, and if not open, then can only input, and they do not hear. 　　Second, how to open the Win7 microphone listening function Operation Steps: 1, right c

1. Click "Start" in the lower-left corner and select "Control Panel": 2. After opening the control panel, select "Sound": 3. Click "Record" in the new window shown in the following illustration: 4. You can see the "microphone" default device in the recording, as shown in the following figure: 5. Right-click on "Microphone" and select "Properties": 6. Click "Level", then slide "

This tutorial is the interaction of flash and microphone. Hopefully, you'll get better inspiration by learning this microphone interactive tutorial. First look at this example, click Allow[Allow] and make a sound with the microphone, the effect is as follows: OK, here we will step by step to achieve the above flash function:1. Turn on flash and create a new 30

and the other fills with black. 11 Moves the black rectangle 1 pixels to the right, and the white rectangle moves 1 pixels to the left. 12 repeat 9-11 steps until the effect is shown below. 13 to create a new layer head, will have moved to the group head. 14 Create a new layer on the layer head, select the rectangle, and fill it with the gradient effect set up in part eighth. 15 Press CTRL + T to perform the free transform to deform the right side of the rectangle as shown below: 16 Perfor

this time calculated is the relative background noise decibel value, if the user does not sound the microphone, calculated the basic is 0 decibels. And the user actually use the scene background noise size varies widely, if we also divert is not right, especially for those who make absolute decibel demand, should find 20 micro-pa sound pressure value corresponding amplitude (or can also take a standard decibel meter for calibration reference).Bo Mast

Import flash.events.ActivityEvent;Import Flash.media.Microphone;var devicearray:array = microphone.names;Name of all available sound capture devicesvar mic:microphone = Microphone.getmicrophone ();Gets the index value of the current microphoneMic.gain = 60;Microphone gain-that is, the microphone should amplify the signal in multiples of the signal before transmitting itMic.rate = 11;The frequency at which t

After upgrading to IOS10, the development process will inevitably encounter a lot of pits, the following are some common pits, I did some sorting, I hope that the development of everyone to help:1. Call video, webcam, microphone, etc Hardware program crash Flashback problem:To be aware of the problem iOS10 more strict management of privacy rights, such as access to the camera, microphone and other hardware,

Operation Steps: First, enter the Device Manager to check whether the sound card driver is properly installed, if not properly installed can be downloaded by Lenovo driver download the website driver Second, check the microphone settings are correct For Windows XP systems 1. Using the right mouse button, click the Small horn icon in the lower right corner of the taskbar, select "Adjust audio properties";

Use the flying microphone for voice input, you need to download the flying microphone first. Action steps are as follows: Click on the IME status bar Settings button (last button)-> Click to expand the function-> click to fly Microphone-> You can see the prompt "No flying microphone installed" When you open it? Cli