ultrasound microphone

Tools/raw Materials 　　Operating system, microphone, sound card Steps/Methods 　　check that your microphone and host are connected correctly . 　　Workaround: connect to the red or pink interface on the back of the chassis. 　　Check to see if your microphone is muted. Workaround: 　　Double-click on the lower right corner of the screen to open the Audio contr

recording microphone device Mxl.dwcomponenttype = Mixerline_ Componenttype_dst_wavein; Gets the number of connections in the recording bus Mixergetlineinfo ((hmixerobj) hmixer, AMP;MXL, Mixer_objectf_hmixer | Mixer_getlineinfof_componenttype); Save the number of connections DWORD dwconnections = mxl.cconnections; Ready to get the microphone device ID DWORD Dwlineid = 0; Esult Mr = Mixergetlineinfo (hmixero

How to convert a single-ended microphone into a differential microphone input? Thank you! Which one do you want? The mic end of the false difference is grounded at the other end, and the signal at both ends of the resistance is collected to form the false difference. The real difference is that the two ends of the MIC pull a bias and then input to the differential input. Unfortunately, I won't draw

1, install the system, remember to update the system drive, do not use the system with its own drive. The system automatic sound card drive, perhaps you listen to the song, the system brings the sound recording function these all can use, but the design to some software may not support. So download the system, or to update the driver. 　　2, where the microphone can be set in Win7 In the Control Panel, click on the sound, then switch to the recordin

IntroductionThe PDM represents the pulse density modulation. However, a better abbreviation is "1-bit oversampling audio" because it is simply a high-sample-rate, single bitrate digital system. If you are looking for an advantage, it is that the sample rate is several times the audio CD, and a proper way to reduce the word length from 16bit to 1bit, which will be the basis of a PDM system.Most modern digital audio systems use multi-bit PCM (pulse-coded modulation) to characterize signals. PCM fa

little farther away from the speaker, "scream" will be gone. The distance from the speaker is too close, which is the second reason. The sound of "scream" in different positions is different. The speaker and the string are not in the correct angle, which is the third reason. Different sounds have different "cuts", that is, the frequency of the sound is incorrect. This is the fourth reason. I understand the four reasons for "scream,Overload volume, distance, angle, frequency. We need to ch

C # microphone acquisition and Playback, In the online chat system, collecting and playing the microphone sound is one of the most basic modules. This article describes how to quickly implement this basic module.I. Basic Knowledge Several terms related to sound collection and playback must be understood first. Otherwise, the subsequent sections will not be available. Voice acquisition refers to the acquisit

What if the microphone of the YY Live assistant has no sound?1) make sure that your microphone is recognized by the computer. If only the "main sound capture driver" is selected for the microphone, it indicates that your microphone is not recognized.2) try to disable the live video assistant and re-open it.3)

How to use the computer version of the message flying microphone? Use the flying microphone for voice input, you need to download the flying microphone first. Action steps are as follows: Click the Input Method status bar Settings button (last button)-"Click to expand the function-" Click on the Fly Microphone-"open

Introduction of the built-in microphone location: Notebook computer The built-in microphone for a portable computer is common on the border around the screen or on the cover panel around the keyboard, as illustrated by the following example: The middle position of the top border of the notebook screen, the two sides of the camera (if it is a double array

Please note: Before adjusting, please make sure your computer has a built-in microphone, the sound card driver is properly installed, and please temporarily turn off QQ or other software that needs to call the microphone before adjusting. The sound card driver name is Realtek high Defenation Audio Can be seen in the Start-Control Panel-programs (Programs and functions)-Uninstall Programs list

How does the Win7 system set up a microphone? The new Win7 installed, but the microphone is not used, what to do? Now I'm going to teach you to set up a microphone. 　　Step method 1, reinstall the sound card driver 2, right click on the lower right corner of the small horn icon, select "Recording equipment." 3. Select "Record" in the Open "sound" device scre

Realtek sound card installation can be installed through the HD Audio controller to adjust some of the functions, but improper adjustment may cause mic noise, affect the microphone's voice effect. The adjustment scheme in this article is mainly for notebook models with built-in microphones in the standard, taking IdeaPad Y470 as an example. 　　Please note: before adjusting, please make sure your computer has a built-in microphone, the sound card drive

Some of my friends have an abnormal sound like electricity or noise in their microphones. The solution to this problem is as follows: 1. Whether your microphone is used to maximize audio mixing. Solution: microphone, audio mixing volume up to 80% to 90. 2. Whether your microphone is in enhanced status. Solution: remove the

Presumably many friends have used this microphone feature in their Win7 64-bit flagship download computer? Yes, we win7 a lot of the features in the flagship PC need to be implemented using a microphone, for example, when we need voice chat, without a microphone, we can not pass the word; When we were recording, there was no