Some time ago, Ubuntu installed some updates, the front headset has been no sound, with a lot of ways, also can not solve! Try again today, finally solved, very fortunate, now share! First, in the terminal to run sudo alsamixer, press the M key to turn off all open (the display is mm), and then adjust to the appropriate position, white is advisable! The last item, Independ, shows that the headset and speake
1, the first confirmation of the computer Bluetooth is in the open state, Bluetooth lights Show normal, and open the Bluetooth headset switch;
2, then click on the computer on the lower right corner of the Bluetooth icon, select the "Add Device" option;
3, select the Bluetooth headset to add, the system will be prompted to connect with the Bluetooth adapter, waiting for a prompt to add success;
4, then c
The iphone's headset is called Earpod, and the sound is good. However, a lot of users have found that the iphone headset computer can not be used, plugged into the computer after either the sound is paste, or listen to the song when simply accompaniment, the human voice is very small. Why can't an iphone headset work on a computer?
It's not because your
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
Tags: Laptop Bluetooth headset
Connect the Bluetooth headset to the laptop think e0000c
Wired headsets are inconvenient to use. Currently, Bluetooth headsets are widely used. How can I use Bluetooth headsets to connect to my computer? Many laptops now have their own Bluetooth functions. If not, you need to buy a Bluetooth adapter.
If the bluetooth device is disabled, enable the device first.
Right-click My
Bluetooth headset function, that isBluetoothHeadset/headfree profile,Implementation is more complicated than imagined. Earlier Bluetooth specifications only defined the profile of headset,The implementation principle of headset is to extend an interface on the HCI Layer to transmit SCO connection-oriented synchronized audio data packets. The audio stream must be
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
When you do a smart headset, you often need to test different sample rates for sound signals on windows. Recently, however, in the case of 16k dual-channel input,Regardless of the system's use of the headset for playback, the problem has been thinking for a long time, there is no solution.Today, inadvertently using the sound problem solving function in the lower right corner of the windwos, I really found a
AndroidIn fact, the code of the headset detection is rarely changed.
This is because there are few documents.
It took nearly two months.
The driver has three implementation versions:
First, drivers/Char/micco_hsdetect.cIt reports the status to the user space through kobject_uevent.
Second: Drivers/input/keyboard/micco_keys.cIt reports events to the user space through input_report_switch.
Third: Drivers/switch/switch_micco.cRegistered a switch_dev, whi
Headset resurrection (Entire Process)
Of course there should be a pair of ear plugs for children who like to listen to songs, so that they can truly enjoy wonderful music. But the ear plug is quite bad. Maybe only one ear is ringing in a day, but the lead of a pinch and a motion plug will occasionally ring, as a matter of fact, you may be able to get together with your ears )...... But the two ears are not ringing. The earplugs of about 10 yuan should
How to set the wince simulation simulator (Network, serial port, and headset)
Recently, I used wince to build a project, but there was only one development board for the school lab. Another senior engineer also needed it. So I tried to use the wince simulation simulator to test the program. So how to set the wince simulator? Here, XiXi will share it with you!
Before that, do you want to use a simulator to access the Internet? First install Virtual PC
Android automatically exits the FM Radio application when the flight mode is enabled and the headset is pulled out.
The FM radio needs to be inserted into the headset as an antenna, and automatically exits when the headset is pulled out.
1. First add the prompt string
Mediatek/packages/apps/FMRadio/res/values/strings. xml
The FM will close because you hav
Win8 is a new company launched by Microsoft not long system, everyone in the use of the system occurs when there are some problems, always do not know how to solve. For example, what we are going to say today: Win system in the headset can not hear the sound of the problem, you will often encounter. What a dreary and painful thing it is for the friends who love music! Then how should we solve the problem, we will follow the small series together to se
Many friends will encounter the computer suddenly did not sound or reload the system after everything else is normal, is the stereo or headphones no sound problem. I'll explain in detail the various reasons why the computer doesn't sound, and in the later part of the article, I'll explain the microphone's sound problem. Through the following detailed analysis, I believe that you can let you know that your computer is not a sound is going on, in the end what is the reason.
There's no sound on th
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
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.