, the decibel value of the relative background noise is calculated. If the user does not correctly sound the microphone, the basic figure is 0 decibels. The background noise size of the user's actual scene varies widely. It's not right if we divert. Especially for those who make absolute decibel, should find the 20 micro-pa sound pressure corresponding amplitude (or can also take a standard decibel meter for calibration).Bloggers are more lazy, set th
This microphone is the protagonist of this tutorial. ~! a few days ago there is a lovely girl asked me this microphone inside the circle how to do, and then I am very diligent to run to find this material information,
After a few geniuses to make a ~! now share it here!
Note: This microphone is not my original, but the tutorial is I do, and this
Analysis of the reasons for the small replay sound after the microphone recording:
1, the microphone may be set to a lower volume
2, sound card driver installation is not correct
The specific solution is as follows:
1, first mouse click on the Windows7 flagship system task bar on the small horn icon, and then select the "Recording equipment" item;
2, in the bounce out of the sound interface, swi
First, enter the Device Manager check the sound card driver is properly installed, if not properly installed can be the next Lenovo drive a key installation, use this tool can automatically help you find the appropriate host driver, and help you complete the drive download and installation.
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
I recently bought a so-called 2 million-pixel camera, did not expect the first use of the problem. The camera connected to the computer, installed after the driver with the software test, the screen effect is not bad. To find Friends video chat, the other side said you can hear my side of the typing sound, but the murmur is very large.
We know that if you want to sync your voice to your video, you must connect the microphone to the sound card and tur
1. Check if there is a problem with the Voice software
: Through the system recorder function recording test, if the system Sound Recorder function is normal, then need to reinstall Voice software.
Test the recording method using the system recorder:1. Click the Start menu in the lower-left corner of the screen.
2. Enter "Recorder" in the Search window and click the search result "recorder" appearing above, the following figure:
3. In the Open Recorder window, click "Start Recording".
4.
This paper refers to some information and discussion on the Internet, and expresses our thanks.
Microphone array beamforming has been widely researched for wireless communication, speech recognition, speech enhancement, hearing aids and so on. Compared with other domain array processing, the microphone array processing has its own characteristics determined by the difficulties. This is due to the statistic
Android Phone Microphone Sampling Some code is found on the Internet, specifically do not remember.Use the sample result and the function code of your own app:1. In some apps, the audio input of the microphone will need to be used, such as a very hot blown skirt;2. Sampling Thread:public class Microlevelrunnable implements Runnable {Private static final String tag = "Microlevelthread";Private Audiorecord ar
[Method or Answer]
When you record a sound using built-in microphone, a "beep" appears to increase the microphone recording volume (or recording playback volume).
This situation is usually caused by a lack of experience setting up the microphone volume (recording or playback). To resolve this type of problem, follow these steps.
1. Check to see if Mike's "Mute
One, under Windows XP
1, the mouse point to the lower right corner of the status bar volume icon Right click on the pop-up menu selected "Adjust audio properties";
2, in the pop-up "voice and audio Device Properties" dialog box, click the "Audio" tab, select the recording default equipment (according to the machine configuration will have Realtek, Conexant, IDT, etc.), click "Volume";
3, in the pop-up dialog box, click "Options", select "Advanced Control";
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 300*
If we are using the Internet audio and video communication when the problem of the microphone, do not worry, Win7 system provides a lot of user-friendly settings and details, here and friends to share a Win7 system microphone to enhance the functionality of the setup techniques.
Right-click the Volume Control button at the right end of the Win7 taskbar and select "Recording Device" from the pop-up menu.
Today again the project detection camera this piece rewrite, remember something in flex inside, jump out of the security window for
The code is as follows
Copy Code
Security.showsettings (securitypanel.privacy);
This code is non-blocking, so we need to monitor the camera and microphone.
The code is as follows
Copy Code
Mic = Microphone.getenhancedmicrophone ();Mic.addeventlistener (
Internet age, the distance between time and space has long been narrowed down by the network, we can use Instant Messaging software in Win7 system and distant friends for voice chat, but sometimes they can hear each other's voice, but the other side can't hear our voice, carefully check the headset microphone also no problem, this how to do?
Then we need to do some checking on the sound system configuration of the Win7 computer. First, right-click th
At first, I thought I would only take the last sample of the recording to determine the volume size, and found that it was undetectable.Later search, the original need to take a sample to judge, some of this section to take the average as the volume size. I'm here to take out a sample of the peak as the volumeAudio.clip.GetData got a value of 0-1, so I took the 99来 to divide the volume into four levels (0-24-49-74-99)1 Public floatVolume2 {3 Get4 {5 if(Microphone.isrecording (NU
How do I order the ringtone?
1. Click on the picture of the Ring tone order button
2. In the order page, enter the mobile phone number, graphics verification code. Get the SMS Verification code and enter, click OK, complete the color ring order.
How do you give a ring to a friend?
1. Click on the picture of the color ring gift button, or in the order page switch to "give friends" label.
2. Enter the mobile phone number, friend mobile number, graphics verification c
When I bought a computer, I sent a camera. With the microphone. The lines are separate.
It's OK to use it just now. But after the reboot, it failed.
What reason Ah!!
There's a stereo at home too.
Is it the amount of conflict with the audio?
Headphones are not available.
Know the next, uh ...
It's depressing.
Better be the complete answer. Concrete ways to speak out.
In the lower right corner of your desktop there is a
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 ensure microphone mode is successfulUInt32 sessioncategory = Kaudiosessioncategory_playandrecord;Audiosessionsetproperty (kaudiosessionproperty_audiocategory, sizeof (sessioncategory), se
Technical basis:WEBRTC (web-based real-time communication) specification for receiving webcam and microphone data from devicesThe main reliance on the Navigator.getusermedia () API method (for security reasons, this HTML file can only be accessed through the Web server to access the file, there are various ways to build a server on the network is not described here)Official start:Since different browsers use different prefixes for getusermedia (), it
Android microphone custom View with dynamic display of Audio Tape Volume
1. The so-called no picture, no truth, first. What we need to achieve is the button of the middle recording, and the surrounding area will display a waveform of the volume size.
2. VolumCircleBar inherits from View and we have customized it. The Code is as follows:
VcD4KPHByZSBjbGFzcz0 = "brush: java;"> package com. rdinfo. ccenglish. ui. ccprofile. view; import android. c
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