speaker deck

The examples in this article describe the way Android developed to turn off and turn on speaker (speakers). Share to everyone for your reference, specific as follows: private int currvolume = 0; /** * Open Speaker */private void Openspeaker () {try{Audiomanager Audiomanager = (audiomanager) getsystemservice (Con Text. Audio_service); Audiomanager.setmode (Audiomanager.route_speaker);

Many users who use the MacBook have encountered internal speaker failure, and the MacBook's built-in speaker fails, and its headphone holes will also light up red, as shown in the following figure. So what causes the MacBook's headphones to Kong Liang the red light? What should I do if the MacBook speaker doesn't sound? Here's a look at the solutions offered by u

HPProbook4411S built-in speaker solution in UBUNTU is as follows: 1 sudogedit/etc/modprobe. d/alsa-base.conf add the following code at the end of the file: optionssnd-pcspindex-2optionssnd-pcspindex-2alia... the solution for HP Probook 4411S built-in speaker in UBUNTU is as follows: 1 sudo gedit/etc/modprobe. d/alsa-base.conf add the following code at the end of the file: options snd-pcsp index =-2 options

Win7 installed, the original in XP working normal USB small speakers but do not work, re-installed sound card driver or the same, later through the following try to finally use.1. Right button on the lower right corner of the horn.2. Click "Play Device".3. Set USB Audio device as the default device.4. Double-click USB Audio Device.5. Click on "Enhanced Features" on the pop-up speaker Properties page.6. Select "Disable all Enhancements".7. Click "Confi

How to solve the problem that the win10 system has sound but the small speaker disappears? Some users find that their win10 system has a sound, but the icon is missing and the sound size cannot be adjusted. What should I do? The following is a small series of articles about how to retrieve the win10 system sound icons: On the win10 system desktop, right-click the Start menu and choose control panel. Click Appearance and personalization.

The computer has no sound and prompts that no speakers or headphones are inserted. How can this problem be solved ?, Speaker headphones The test is successful. You can try it. Right-click the volume icon, and then click "sound (S )", Click "Recording". The microphone displays "not inserted" and the line Input displays "not inserted" Click "play" again. Similarly, the Realtek HDMI Output display is not inserted, and the

Compiling environment: Keil C51 v3Simulation Software: Proteus 7.4Single-Chip Microcomputer type:Resistance Type: res Speaker type: Speaker Audio Amplifier: lm386 Capacitor type: avx1206np010p Single-Chip MicrocomputerProgram: Core Circuit diagram:

This article only for personal use notes, do not like the spray, Prudential Xie error correction.Handset modeUidevice. Current. isproximitymonitoringenabled = true // turn on infrared function let session = avaudiosession() do{ try session. Setcategory(Avaudiosessioncategoryplayandrecord, with: []) try session. SetActive(true) }catch{ }Speaker modeUidevice. Current. isproximitymonitoringenabled = true // turn on infrared functio

property has the following two, one is the default handset and the other is the speaker. enum { Kaudiosessionoverrideaudioroute_none = 0, Kaudiosessionoverrideaudioroute_speaker = ' SPKR ' }; There are two ways to Override audio route: UInt32 audiorouteoverride = Kaudiosessionoverrideaudioroute_speaker; Audiosessionsetproperty ( Kaudiosessionproperty_overrideaudioroute sizeof (audiorouteoverride), audiorouteov

Computer How to connect the amplifier operation steps: Very simple, the computer audio output and the input of the amplifier can be connected, but because the audio output of the computer and the input of the amplifier is not the same form, to go with a dedicated cable, the general electronic market has. No sound card required! The AC97 on the motherboard will do! You use a waste headset, cut the line, one end of the motherboard to plug the output port, the green mouth! That's right!!! End o

Computer speakers in the playback of audio, the sound is not stereo, stereo effect is particularly poor. What should we do about this? The above situation may be improper placement of speakers or the polarity of the two speakers connected is not caused. Solve the above problems, only to replace the speaker position, the speaker moved to other places, and then carefully look at the instructions, the

Today in the query keyword "shenzhen ear nose Throat Hospital", found good horn information network to the force, in this keyword has 4 articles on the home page, ranking is also quite strong, as shown: 　　 Good Horn article page optimization analysis As an SEO practitioner, I first time to a good speaker website for some analysis, so as to understand the reasons for its ranking to force. Now let's look at the reasons for the good

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PHP database MySQL C Video If you want to display only the C language speaker name in the C language Video section above? For example: My database has "PHP" "Hanshunping" in the plate PHP plate I only let him display Hanshunping name, and so on other plates. "> Reply to discussion (solution) I don't see any problems, so let's see for example. I don't see any problems, so let's see for example.For exam

[[Uidevice currentdevice] setproximitymonitoringenabled: Yes]; // we recommend that you set yes before playing and no after playing. This function enables infrared sensing. // Add a listener[[Nsicationcenter center defacenter center] addobserver: SelfSelector: @ selector (sensorstatechange :)Name: @ "uideviceproximitystatedidchangenotification"Object: Nil]; // Process listener-triggered events-(Void) sensorstatechange :( nsicationicationcenter *) notification;{// If your phone is near your f

1, Reason:No channel is set;Avaudiosession is a singleton that can be used directly without instantiation. Avaudiosession plays a very important role in various audio environments.For different audio scenarios, you need to set different audio answering classes2, Workaround:Before initializing the Avaudioplayer, set the channel with the following code:Avaudiosession *audiosession = [avaudiosession sharedinstance]; [Audiosession setcategory:avaudiosessioncategoryplayback Error:nil];

First, check whether the plug line is normal, no, look at the second step Second, is the computer card properties of the default data may be artificially changed. Click the White "small horn" icon in the taskbar on the lower right corner of your computer desktop On the volume Control Panel that pops up, click on the "Speaker" button and eject: Click on "Level" Click the "Balance" button Restore balance by modify

When we do the following method to detect you want to make sure that your speakers are not broken off the side, if the hard drive is broken, it is certain that this method can not repair your problem, this is the setting up the problem can be solved by the method. First, check the connector is normal, if there is no problem we can look down Second, in the lower right corner of the computer to double-click the sound card property is as shown in the "Small horn" icon Then in the pop-u

The first step: we use the right key computer taskbar to the right of the "sound (S)" shown in the following figure. Step two: When we get to the sound window, we click on the second tab to "Record" and you will see that the reminder microphone shows "not plugged in" and the line input also shows "not inserted" as shown in the following figure. Step three: Okay, no matter how many of them go back to the first tab, "play," as shown in the Realtek HDMI Output display is not plugged in, the

1. First of all, we will buy the built-in sound card USB speaker connected to the Win7 flagship computer, under normal circumstances, the computer will automatically switch the sound card to the USB sound card. 2. After that, we click to open Win7 flagship computer Start menu, control Panel → Sound, into the system sound settings interface, just right-click the USB sound option, and then in the pop-up menu select "Set as Default Device" and "set as d