ultrasound speaker

Fedora15 speaker audio and ear headphones-general Linux technology-Linux technology and application information, the following is a detailed description. I am a newbie. I installed fedora15 in the previous two weeks. I have fixed some of my problems over N, and that's all I have to do. Please help. The situation is as follows: Notebook, speaker sound, At GNOME, after the headset is plugged in at startup

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Azure Speaker Recognition APIOfficial Document: https://westus.dev.cognitive.microsoft.com/docs/services/563309b6778daf02acc0a508/operations/5645c523778daf217c292592Official Python Sdk:https://github.com/microsoft/cognitive-speakerrecognition-pythonThird-party packaging library: https://github.com/robladbrook/ms-cognitive-speaker-recognitionRequest URL https://westus.api.cognitive.microsoft.com/spid/v

// before recording, call the following statement to ask the user if they can access his Privacy device Microphone[[Avaudiosession Sharedinstance] requestrecordpermission:^ (BOOL granted){}]; if ([[[ Avaudiosession sharedinstance ] category ] isequaltostring : Avaudiosessioncategoryplayback]) { // switch to handset playback [[ Avaudiosession sharedinstance ] setcategory : Avaudiosessioncategoryplayandrecord error : nil ];[ self showtipinfo:@ " switch to handset mode "];}E

Its connection with the ordinary portable Bluetooth speaker operation is different, Bluetooth pairing can not play directly after. Operation Steps: Bose Bose mini SoundLink bluetooth speaker Appearance: After pairing, the Bluetooth speaker is still disconnected and cannot be played. Open ' devices and printers '-' devices '-right-click th

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);

Now many users use the computer to see the video, that computer how to connect the amplifier speakers, the following with small series together to see it. 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 t

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 we are going to make a mini speaker, the tutorial is written in detail, we can follow the study Oh! At the same time, the small partners do not forget to hand in the homework Oh!

Create a new 1000x1000 px canvas to fill the color #7b7776. Create a 512x512 pixel, rounded rectangle with a rounded corner radius of 90px, and place the wood grain footage, and then in the Layers panel, press ALT to click on the border of the wood and rounded rectangle layers to create the clipping mask. Adds an inner shadow and a projection to the rounded Rectangle 1 layer. Create a new layer above the wood grain layer, fill the color #5f543f,

Windows7 users find that when surfing the internet, the sound of a first year will be small, music players play sound sometimes smaller, and after a while, many think it is a speaker or player problem, this is actually WINDOWS7 system sound settings, the following to see how to adjust the sound of a freshman will be small problems. 1, in the start of the search box type "sound", enter. ‘ 2, in the Voice dialog box, switch to the Communications tab.

What if the win8.1 System desktop speaker icon is missing? 1, right key taskbar, in the pop-up right-click menu to click on the Property submenu; 2, pop-up Taskbar and Start Menu Properties dialog box, click here in the notification area column of the custom button; 3, Pop-up Notification area icon window, in the middle of the window there is a list of icons, we can choose according to their own choice of display or application or sys