Development Environment: ubuntu12.04 Development Board: ok6410, linux3.0
Alsamixer is one of the Alsa tools for Linux audio architecture. It is used to configure various audio parameters.
Alsamixer is based on the graphic interface under the text. You can easily set the desired volume and switch a switch by using the upper and lower keys on the keyboard, left and right keys, and so on, on the ubuntu12.04 sy
Driver Components
Asocsplits an embedded audio system into 3 components :-
* Codec DRIVER: the codec driver is platformindependent and contains audio
Controls, audio interface capabilities, codec dapm definition and CODEC Io
Func
Linux Drive ALSA Model:Linux Alsa One of the sound card drivers: Alsa Architecture IntroductionLinux ALSA sound card Driver II: the creation of sound cardLinux ALSA sound card driver Three: the creation of PCM devicesLinux ALSA sound card driver Four: Control device creationLinux ALSA sound card driver V: Alsa (ASOC) i
The installation process is as follows:
1. Enter safe mode (otherwise the corresponding driver file will be restored automatically );2. Go to c: \ windows \ system32 \ drivers and delete hdaudio. sys and hdaudio. sys (if there are other hda headers, delete these two );3. Enter the Device Manager. Disable and then enable "Microsoft uaa bus driver for high definition aud
Download uaa bus drive address http://www.microsoft.com/downloads/details.aspx? Displaylang = ZH-CN familyid = D0934D06-15B3-4A65-8C52-746BEB24E86C
File Name:WindowsServer2003-KB901105-v3-x86-CHS.exe
915 platform PCI-E architecture after installing Windows Server 2003 SP1 system, the computer can not find the sound card, and the system device inside the "Microsoft for high definition audio uaa bus driverProgram"Error. If a
To solve the problem that the windows 7 audio/video driver cannot be installed or fails to be installed, many netizens say that the windows7 audio/video driver cannot be installed. Today, we will talk about the solution that the windows7 audio/video
firstThe main device that provides BCLK and Lrck clocks.1, in the left alignment mode, the MSB can be in the bclk of the first rising edge of the following LRCLK transition.2. In right-justified mode, the LSB can transition before the last rising edge of the BCLK LRCLK.3. In i2s mode, the MSB can transition from the second rising edge of the BCLK following the lrclk of a transition.4, some sound cards also support the DSP format, the format is not part of the I2S category.LRP = 0LRP = 1Iv. Cloc
This design idea: first open a normal WAV audio file, from the 44 bytes in front of the defined file header, remove the file header definition message, placed in a file header structure. Then open the ALSA audio driver, from the file header structure to remove the sampling accuracy, the number of channels, sampling frequency three important parameters, using the
1. Uninstall the motherboard onboard sound driver through the Device Manager line, and then locate the audio driver for the video card in the video driver CD or the official website, and double-click to install it.
2. Right-click My Computer, select Properties, open System Properties, and then, in hardware, press Devi
Shen Jing, definition, sound card, flagship, audioWhen you see this article, it is estimated that you will soon be crashed because Windows 7 cannot install the sound card driver. Oh, don't worry. This article is your savior. I have already tested multiple computers, perfectly solves the problem of installation failure of Windows 7 audio/video driverThere is a premise that you have a sound card
The audio card driver loading method, which may be helpful to new users-general Linux technology-Linux technology and application information, is described below. (1) install alsa-driver:
Remove the previous dependency before installation.
Tar zxvf alsa-driver-1.0.9b_26_evoc.tar.gz
Grep-r? N 'southbridge chip './*
Cd a
I used the uda1341 audio chip in the Development Board, followed by the standard IIS bus. in Linux, the support for IIS and uda1341 has been improved, we only need to set the corresponding IIS pin as the pin of the schematic design of our development board.
1. The configuration of the makemenuconfig sound card is as follows:
Device Drivers
2. Configure the Sound Card Driver
Here is wher
S3c2440 UDA1341 audio card driver and madplay player transplantation,
1. Configure the UDA1341 driver for the Sound CardBecause mini3.0 kernel has the mini2440 initialization file, so directly go to the/arch/arm/mach-s3c2440/mach-mini2440.c to view the changes to get
--- mach-smdk2440_o.c 2015-04-24 11:39:20.492017397 +0800 +++ mach-smdk2440.c 2015-04-24 12:26
/6133229.aspx.
Ii. By default, the GCC and G ++ compilers are not installed on fedora. Therefore, as a coder, the first thing to do is install GCC, G ++:
Yum install GCC gcc-C ++
Iii. decoder Installation
Audio decoder:
Yum install gstreamer *
Video Decoder:
Yum install FFMPEG-libs gstreamer-FFMPEG libmatrosca xvidcore libdvdread libdvdna v lsdvd
Extended totem playback DVD:
Yum install totem-xine totem-gstreamer xine-Lib-extras-freeworld
4. Instal
/*This article is prepared by Mo Gray Ash, reproduced please indicate the source.mo Ash Gray mailbox: [email protected]*/1. Vulnerability descriptionThe audio driver ACDB provides an IOCTL system interface for the application layer to invoke, however, it does not do a valid bounds check when processing the passed in parameters. Applications can achieve the purpose of elevation of privilege by/dev/msm_acdb d
I. MX6Q (TQIMX6Q/TQE9) Study Notes-New BSP audio card driver porting, tqimx6qtqe9
After the above transplantation, tqimx6q can drive the touch screen normally. In this article, we will transplant the sound card driver.
Write data through DTS
Because the sound card of tqimx6q is sgtl5000 chip, you can add the following content to dts according to the information o
Since the last time the system was reinstalled, the driver of the sigmatel high definition audio codec device was not installed. It has been plagued for several months. To watch movies and listen to music, you must switch to Linux, fortunately, this problem was finally solved today and I wrote it to myself:
If the driver was not installed in the past, I went onl
I reinstalled my computer yesterday and found that the sound card could not be installed.Driver genieTested. The model isIntel 82801db ich4-ac'97 Audio Controller [A-1]
As a result, more than a dozen drivers of this model cannot be installed, and other software is used for testing.
C-media cmi9738 @ intel 82801db ich4-AC '97 Audio Controller [A-1] PCI
The drivers of Intel and realtak have been test
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.