How to set up headphones for single channel playback:1. Click on the desktop "Settings" icon, enter the Setup interface, select the "General" option.2. In the general interface, click the "Accessibility" option.3. In the auditory section of the accessibility interface, the default slider is displayed in the middle, and if you have no sound on the right side of your headset, drag the slider to the left, and move to the right with the left side broken.A
Note: The purpose of this article is mainly for the laptop headphone jack No response problem, that is, the headset inserted but the computer sound still through the speaker.
First, open the Control Panel, the sound to see if the local sound card driver is Conexant Smartaudio HD series, if you continue to look down;
Second, in the headset itself is not defective, sound card driver normal and not mute, if
The concept of Bluetooth headset
Bluetooth headset is the application of Bluetooth technology in the headset, so that users can be exempted from annoying wire, easy to talk in a variety of ways. Since the advent of Bluetooth headset, has been the action of business people to improve the efficiency of a good tool. Bl
One, the specific setting method is as follows:
1. Open "Computer Settings", select the computer and equipment, confirm that the following Bluetooth device is turned on, the general right side is open, the following figure:
2. Make sure that the computer Bluetooth device is normal and open, the Bluetooth headset on the computer next, the computer will automatically search and paired, the recommendation of a detailed referen
From: http://embed.chinaitlab.com/J2ME/877029.html
Recently, I was working on a Marvell project and encountered a hot plug-in problem. So I took a look at the relevant code. I would like to make a contribution here.
Here we take the PXA code as an example. The entire framework is simple and clear. The upper layers are headsetobserver. Java and hookswitchobserver. java,
They will directly read the state of a specific device in/sys/class/switch/, such as "/sys/class/switch/h2w/state" to obtain the
Headset Contact Bad clean headphone hole step
Clean headphone Holes
Step one: Use cotton stick to drink alcohol, squeeze clean, not too wet, put the cotton stick into the headphone hole to turn and pull out, repeated several times. Be careful not to break the cotton sticks too hard.
Step two: or with a hair dryer, on the headphone mouth away from the far point of blowing
Step three: After cleaning, plug in the
First, the Bluetooth headset open.
1. Slide up the Bluetooth headset to open the key (that is, turn on the bluetooth headset switch).
2. Open the Bluetooth headset visible mode (long hold down the listening key for about 3-5 seconds, the LED turned blue and always let go when light, you can open the visible
Many people use the computer, even if the computer is used to play games, office will have to listen to music, the habit of watching movies. So a computer without sound is used to feel powerless. And a lot of people will also because I have nothing to do recently tune the audio manager. Then the headphones don't sound or there's a murmur. Our main side is to analyze the computer headphones have a murmur how to do
1
Determine whether it is a hardware issue or a system problem
You can take your
Accessories:
1. bluetooth adapters that support high quality audio services.
2, stereo bluetooth headset (I use blue chord AVF2 stereo bluetooth ear.)
Install the Bluetooth adapter driver. Open the Bluetooth search interface, as shown in figure I and diagram two steps.
Figure 1 Opening the Bluetooth program
Figure 2 Displaying the Bluetooth program
Figure 3 must first turn on the AVF2 bluetooth
1, Bluetooth headset and PC connection listen to the music needs to confirm that the Win7 flagship system computer Bluetooth driver and sound card drivers have been properly installed, and the PC Bluetooth switch has been opened.
2, below we connect the Nokia Bhwindows 7 system under the Bluetooth headset and PC connection as an example:
1 First right click on the Bluetooth icon in the notification area,
Audiomanager has this method:
Iswiredheadseton ();
Returns true if the headset is inserted, otherwise false;
Of course, to add a permission, or always return false.
I started chasing after a long time source code. The process of detecting headphone inserts and unplugging was found in real time, but not very helpful to my needs.
Real-time detection of headphone insertion and pull-out:
Every time you insert and unplug headphones, the system sends intent
for the Realtek Drive, the next day, the iphone headset is not available on the desktop, but the headset has a sound or cannot be recorded, and the microphone seems to be malfunctioning, but the drive settings don't seem to change much. Why the power off, the next day to start plugging in the headset, the microphone is not available? I judged that the Microsoft
Apple is finally officially on the Airpods wireless headset, but do you know how to recharge it and connect it with the iphone? We gave you a tutorial to help you use headphones faster and better.
Connect Airpods to the iphone
Click the home button to unlock your iphone
2– Open the Airpods headphone box and close the headset to the iphone
A set animation appears on the 3–iphone screen
4– Click "Con
Double poles for single mic connectors, or mono connectors
Three-pole for two-channel connectors
Four-pole for the connector with MIC function and two-channel output
The 2.5mm PIN definition and function division is the same as 3.5mm, just a small diameter.
One, 3.5mm/2.5mm headphone plug Comparison
As the following figure shows, the difference between the two is the plug diameter, now 3.5MM is most commonly used.
Second, 3.5MM headphone plug definition
The 3.5MM plug i
[WFD] Connect WiFi display, plug in wired headphones, sound should go to headset side[DESCRIPTION]
Connect WiFi display, plug in Wired headphones, play music or multimedia, sound on the TV side.
[Solution]
This is the Android default design, if you want to change, modify the policy section,
AudioPolicyManager.cpp's Getdeviceforstrategy function,
Case Strategy_media,
Will enter the IF (!mchangepriorsubmix) selection to Device2 = Availableoutputdevi
First, import the system library
# Import
// Listen to the headset event
[[Avaudiosessionsharedinstance] setdelegate: Self];
// Use this code instead to allow the app sound to continue to play when the screen is locked.
[[Avaudiosessionsharedinstance] setcategory: avaudiosessioncategoryplayback error: Nil];
// Registers the audio route change listener callback function
Audiosessionaddpropertylistener (kaudiosessionproperty_audioroutechange, audioro
My computer is equipped with headsets, I don't know what's going on lately, and sometimes I don't have any. Whether it is plugged in front or back of the interface is useless, reload the sound card driver or not. Please help to solve, thank you.
A: Put the headset on a computer that is normally out of voice, and then prepare a headset to receive your computer. Using such a simple test to determine whether
The FM radio needs to be plugged into the headset as an antenna and automatically exits when the headset is unplugged1. First add a hint stringMediatek/packages/apps/fmradio/res/values/strings.xml2.Modify FmradioserviceMediatek/packages/apps/fmradio/src/com/mediatek/fmradio/fmradioservice.java ---a/mediatek/packages/apps/fmradio/src/com/mediatek/fmradio/fmradioservice.java+++ b/mediatek/packages/apps/ fmra
In Ubuntu9.04, you can insert a headset into the concert and find that the speaker in the notebook will make a sound at the same time. In order to solve this problem, I searched for a while in the Ubuntu Chinese forum and did not find any simple method. I personally thought it would not be so troublesome. So I tried it for a while and found that it was really good. See the following method: 1. system volume settings- gt; volume control... device: HDAI
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