HiSilicon 3531 Chip Sound problem
1, the HDMI input sound and mic input sound through the AI to AO (Ai->ao), can come out sound.
2, the audio of the HDMI input is encoded and decoded (AI->AENC,ADEC->AO), can output sound, but the sound of the mic input is not responded to, what happened.
Proc Information in the audio section
# Cat/proc/umap/ao[AO] Version: [hi3531_mpp_v1.0.8.0 Debug], Build time: [Nov 2
Reprinted from http://laowafang.blog.51cto.com/251518/13642981. Description:SSH password user remote login, has been using the Debian operating system, the user directory permission requirements have not been concerned about, generated a key, lil bit location directly can be used, today test ansible tools, Used to CentOS6.3 found it to the directory permission requirements are relatively strict, this blog only record this permission modification operation.2. Operation Record(1) Create User: Ansi
I have a sigmatel 9220 sound card on the intel 945gp motherboard. The effect is good, but I just can't use a microphone. It's really a long time I 've been depressed. I finally found a solution on the Internet. Although it was just a compromise, it was always better than nothing!
Run and installProgramAfter the installation program decompress the files required for installation, do not click "Next" first, in the installation directory of the sigmatel driver, usually in C: \ Program Files \ Inte
Ec (2): Let's talk about the code trial experience of the three major PHP podcast Systems in China and suggest getting a podcast to play recently. Then we found a PHP open-source blog system, I declare that I am not familiar with website development.
1. Installation of GPU Dirver
Dirver Name: Nvidia-linux-x86_64-310.40.run
Before installation, you need to change the operating system mode to text mode, and modify the/etc/inittab run level to 3.
Under the appropriate directory,
warriors of the Visual Studio, assemble! (The Warriors of Visual studio, assemble it.) )Original July 12, 2009 19:40:00 Tags: compilation/Microsoft/express/file/assembly/command
Warriors of the Visual Studio, assemble!
If
Installing Virtual-audio-capturerDownload Address Https://github.com/jiao808813/virtual-audio-capture-grabber-deviceCan download the source code to compile itself, can also download the installation package directly installed
Record screen and
. You can check it out.
The following excerpt from the podbook: http://hopesome.com/index.php? Cat = 7
1. First read the definition of podcast. What is Podcasting? There is no formal definition yet. There is a lot of understanding about podcast, and the opinions of blogs and media reports are not completely consistent, including the definition on Wikipedia. Dave shusher first attempted to define podca
The role of hyperlink tags:1. Can be used to link resources.2. Anchor point position.1. First write an anchor anchor point format: 2. Use the Herf property of the A tag to connect to the anchor point. Href= "#锚点的名字If necessary, please send an email to: Wisdom Podcast Podcasts Biography Intelligence Podcast podcast Preach Wisdom Podcast Biography podcast Biography Wisdom Podcasts Biography Intelligence Podcasts podcast-ji-Zhi-ji-chuan-zhi-chuan-Chi Smart Podcast Biography Podcast Biography Intell
All blog websites have an orange XML or a small RSS sign. It seems that one night, RSS, the home swallow that once lived in an ordinary street, began to be divided into tens of billions, before entering Wang shatang (BBC, CNN, Time Warner, Forbes, Reuters, Yahoo, apple, CNET ......).
RSS (strictly speaking, it should be webfeeds) technology was first seen in 1997. After several years of trial, it is expected to have four strong skills. If its first step is to narrow down the boundaries between a
for WPA authentication:
1: PMK (PSK)
2: PTK (PMK, "pairwise key expansion", AA, SA, anonce, snonce)
Brief description of the four handshakes:
1: The Wireless Access Point AP sends a random number anonce to the client Sta.
2: STA receives anonceThen, select a random number snonce, calculate the PMK (PSK) using the WPA password (passphrase) and the ap ssid, and useThe PRF-X function is used to calculate the PTK, and the first 16 bytes of the PTK and the information sent to the AP are used to
At present, there are a lot of users, when the mic is connected before the connection can not be successful. Here is a detailed description of the wiring method of the front microphone for your reference.
I. Intel specification for front-facing audio interfacesIntel has regulated the front audio interface sockets, cable, and pin names for motherboards and chassis in the Front Panel I/O connectivitydesign Guide. The contents are as follows:
2.3 Aud
Hardware and software analysis of audio input channel for Android bottom-line developmentWe all know that headphone mic is integrated in the always-on kind of four-segment headphone mic plug that is more commonly used on Android devices. However, there will be separate cases, compared with the normal PC -mounted Android System, then this is the case. Therefore, it is necessary to the audio input channel
Alsamixer is one of the Linux audio architecture ALSA tools used to configure the various parameters of audio.Alsamixer is based on the graphical interface under the text, can be through the keyboard keys, left and right keys, etc., it is convenient to set the required volume, switch switches (switches) and so on, is In the Ubuntu12.04 system configuration interface, the operation is very simple, here is the use of Ubuntu12.04 line-in function (to achieve stereo function):Sound playback output c
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 system configuration interface, the operation is very simple. Here we use the line-in functi
from the experience of porting Z5S 4.4 kernel and the official 4.4 audio configuration file, we should not add any Nubia features (of course, the headset detection must have been added ), however, the Nubia mentioned here is nothing more than the Z5Sn es325 audio conditioning chip, which has no effect on z5s. in the previous official audio configuration file snd_soc_msm_Taiko 4.2, you can find es325 configurations. the z5s 4.4 kernel I transplanted earlier also removed es325 related code!
Howe
:
This
XML tags that do not contain text look like this:
There are more than one way to write something in XML. For example, the output of this tag is the same as that of the previous one:
You can also add attributes to the XML tag. For example, the
You can also use XML to encode special characters. For example, the symbol can be encoded like this:
If the XML file containing tags and attributes is formatted as in the example
Well-formatted, Which means that the mark is symmetric and
blocked.PchangefilterstructAn option that points to the CHANGEFILTERSTRUCT structure pointer."Return value"If the function succeeds, the return value is a value other than 0.If the function fails, the return value is zero. To get information about the extended error, call GetLastError.egRestrictions for canceling low-privileged programs from sending messages to high-privilege programsBOOL bRes = Changewindowmessagefilterex (M_hwnd, Wm_copydata, Msgflt_allow, NULL);------------------------------
/capture is started andStopped respectively. e.g. aplay, arecord.
All dapm power switching decisions are made automatically by consulting an audioRouting map of the whole machine. This map is specific to each machine andConsists of the interconnections between every audio component (includingInternal codec components). All audio components that effect power are calledWidgets hereafter.
2. dapm Widgets====================
Audio dapm widgets fall into a number of types :-
O mixer-mixes several ana
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