sound blaster external usb sound card

First, analyze the driver, modify the code according to the Development BoardCode is too long, it is not affixed, a few points to note:1, view Development Board schematic diagram and s3c2410 datasheet,uda1341 l3mode, L3data, L3clock respectively and s3c2410 GPB2, GPB3, GPB4 connected, IISLRCK=GPE0, iissclk= GPE1, Cdclk=gpe2,iissdi=gpe3, Iissdo=gpe4, part of the code is as follows:2, two important structures: audio_buf_t and audio_stream_t, wherein audio_stream_t a ring buffer for audio stream da

If the headset does not hear a sound: We click on the computer in the lower right corner of the speaker button, right click on the playback device, in the playback option to set the headset as the default device and disable other devices. If the microphone does not sound correctly, click the Speaker button in the lower-right corner of the computer, right-click on the recording device, check th

First, introduce what is ALSA;The Advanced Linux sound Architecture is referred to as ALSA, which translates into Chinese in the form of a state-of-the-art Linux audio architecture (this is Google Translate); when it comes to architecture it's a bit too large, so ALSA not only includes support and drivers for sound cards;ALSA has the following characteristics:1, the efficient support for all audio interface

When we hear the word sound card, we can think of some sound equipment, such as: Listen to music, watching video, all need to have a sound card support, then the computer sound card in

: "Computer startup without sound, reload sound card driver and operating system is not good." Trouble shooting: Turn on the computer, can smoothly into the WinXP, but there is no sound. The lower right corner of the desktop taskbar also does not have a small horn icon, in the "My Computer" on the right button, into t

Viewing the system version~$ uname-aLinux laptop 2.6.27-7-generic #1 SMP Tue Nov 4 19:33: -UTC i686 Gnu/linuxView sound card driver modules in Model AC97~$ Modprobe-l | grep ac97/lib/modules/2.6.27-7-generic/kernel/sound/pci/ac97/snd-ac97-codec.ko/lib/modules/2.6.27-7-generic/kernel/sound/ac97_bus.koView the

, . put = My_control_put }; The IFACE field indicates the type of control, ALSA defines several types (snddrv_ctl_elem_iface_xxx), the common type is mixer, and of course you can define a card type that belongs to the global, or you can define a type that belongs to a class of devices. such as Hwdep,pcmrawmidi,timer, you need to indicate the device logic number of the card in the device and Subdevice f

How does the sound card driver install? How to reinstall the sound card driver? For many novice is a problem, sometimes, installed a software or driver, damaged the sound card itself driver, by reloading the

The system does not recognize the sound card after installing a sound card to the computer. This is mostly because the sound card is not installed, or the sound

Article Title: solves the problem of IntelHDAudioController sound card. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. Currently, the sound card of the bottom-end laptop Based on I

I. Analyze the driver and change the code according to the Development BoardCode is too long, it is not affixed, a few points to note:1, view the Development Board schematic diagram and s3c2410 datasheet,uda1341 l3mode, L3data, L3clock respectively and s3c2410 GPB2, GPB3, GPB4 connected. IISLRCK=GPE0, Iissclk=gpe1, Cdclk=gpe2,iissdi=gpe3, Iissdo=gpe4, part of the code such as the following:2, two important structures: audio_buf_t and audio_stream_t, in which audio_stream_t composed a ring buffer

Some WinXP users who use Conexant HD sound card chip find that it is impossible to install the sound card driver successfully in their notebooks. Today small make up with everyone to share the solution of this problem, the following is the specific procedures. 　　Workaround: 1. Need to install a

Maybe the guys still stay in the sound of the state, for the card configuration requirements are not high. But for some highly configured computer users, it is too wasteful to improve the use of the sound card. To improve the configuration is to achieve a more satisfactory results. So in the use of the dual

(1) sound card's own anti-interference ability is poor. Some of the sound card because of the work and the material is relatively poor, so susceptible to other equipment electromagnetic interference, which is the quality of the sound card, ordinary users can do is to make th

[email protected], for more information, please follow http://user.qzone.qq.com/2692407267VxWorks Platform sound card driverThe VxWorks platform is a sound card driver that conforms to the Linux platform Oss (Open sound System) audio interface standard and allows users to pr

First of all:Process:1. Install MacOS 10.10.5 lazy version of black Apple with Chameleon2. Use Haswell to hack kernel replacement and successfully enter the system2.5. Drive with Hackintosh Vietnam Tool 1.9.6 and multibeast-yosemite-edition-7.5.0 install network card (USB 802.11), sound card (Universal version)In fact,

1. Sound card driver Sound.c (1) The entry function registers the file_operations structure with the Register_chrdev () function. (2) File_operations structure, there is only open function, there is no read and write function, we can see that the open function is the function of the transfer, will definitely find a new file_operations structure (3) Call procedure Save the secondary device number of the i

A, sound card control Panel settings (some of the sound card will have this convenient problem, such as: Realtek, VIA) Open Audio Manager--click on the right Jack setting-check disable front panel jack detection-click OK. 　　Second, Device Manager sound

Updating the sound card driver is a common computer operation, but a lot of friends in the update of the sound card when encountered some problems, and the higher the rate is about the problem of reloading the sound card, the foll

How to Set Realtek HD sound card in VISTA/WIN7, hdwin7 Now more and more people are using VISTA and win7 systems, and most of them are Realtek HD sound cards. The setup problems are quite different from those of Windows XP systems, next I will introduce some experiences in setting a sound