audio troubleshooter

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Audio design scheme in smart phones

When mobile phones are constantly integrated with various functions including photography, games, data, and video, they have become a playing platform for multimedia applications, it can be said that the development of Portable mini-computers is meticulous. In terms of positioning, such a mobile phone is different from a voice phone or a feature phone with some features, but rather a smart phone ). In addition to strong data editing and management capabilities, smart phones provide

Audio design in smart phones

When mobile phones are constantly integrated with various functions including photography, games, data, and video, they have become a playing platform for multimedia applications, it can be said that the development of Portable mini-computers is meticulous. In terms of positioning, such a mobile phone is different from a voice phone or a feature phone with some features, but rather a smart phone ). In addition to strong data editing and management capabilities, smart phones provide

Caching in the system of audio and video synchronization __ Cache

Two ways of synchronizing audio and video synchronization with the time stamp as the benchmark with the time stamp of the video as the benchmark with the external clock as the reference to the standard audio-video synchronization This is a digression. This blog theme is not write audio and video synchronization but write audi

"Unity" 3.5 Import audio file

Categories: Unity, C #, VS2015Date Created: 2016-04-05 I. INTRODUCTIONThe choice of audio file resources should be based on the principle of smooth, trouble-free operation. The commonly used audio files are listed below.. AIFF is converted to uncompressed audio when importing, which is best for short sound effects.. WAV is converted to uncompressed

Ten techniques for using storm audio and video

One, video capture map, a recruit system enemy When we are enjoying a DVD movie, we may have a very nice picture and want to intercept it and save it or set it as a wallpaper. In general, we either use the HYPERSNAP-DX, SnagIt Directx/direct3d, and the glide video capture feature, or select "Advanced → troubleshooter" in "Display Properties" to turn "hardware acceleration" off, and then use print Screen key to intercept. Figure 1: Ancient and cumb

Instant Messaging--a detailed audio-video synchronization technology

Transferred from: http://tieba.baidu.com/p/2138076570Abstract: In order to solve the problem of audio and video synchronization caused by delay, jitter and network transmission conditions, a new audio and video synchronization scheme is designed and implemented to adapt to different network conditions. Using the audio and video coding technology, AMR-WB and H. e

iOS audio playback (a): overview

(This article transferred from the Code farm Life )ObjectiveMusic-related app development has been for some time, in the process of the app's player after several changes, I also for iOS audio playback implementation has a certain research.Write this series of blog purpose on the one hand hope to be able to stimulate, on the other hand is also hope to help other iOS developers and enthusiasts less detours (I have encountered a lot of pits). This artic

"Go" IOS audio-avaudiosession

1. Avaudiosession OverviewThe last year has been doing iOS client development for IPC camera. To deal with audio, you have to figure outAvaudiosession.First look at the Apple's official map:Audio SessionYou can see that avaudiosession is used to manage the resource usage of multiple apps on audio hardware devices (microphones, speakers).For example, avaudiosession can do these things. Set whether y

How to apply and solve HTML5 audio?

There are many articles that describe the poor status of HTML5 audio support. That is the case, so I will not repeat this view here. Instead, I focus on the issues and potential solutions that developers will encounter on a particular platform.HTML5 Audio from Codecanyon.neTableThe above table summarizes the current market share of Web browsers. Internet Explorer is still the main desktop browser, followed

Linux Audio Driver ASOC driver Architecture __linux

Bowen from Http://blog.csdn.net/droidphone Xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx Xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx1. Origin of Asoc Asoc--alsa system on Chip is built on a standard ALSA drive layer to better support a software system for embedded processors and audio codec in mobile devices. Before ASOC, the kernel had some support for

"Reprint" Audio Basics

Audio, English, or you might see an audio output or input on the back panel of a VCR or VCD. This allows us to interpret the audio in a very popular way, as long as it is a sound that we can hear and transmit as an audio signal. For the physical properties of audio because i

RTP/AVP audio and video payload types

Payload type (PT) Name Type No. of channels Clock rate (HZ) Description References 0 PCMU Audio 1 8000 ITU-T g.711 PCMMicro-Law audio 64 kbit/s RFC 3551 1 Reserved (previolet 1016) Audio 1 8000 Reserved, previuslyCELP audio 4.8 kbit/s RFC 3551, pre

HTML5 Audio and video tags

In previous versions of HTML5, if you wanted to insert audio and video into a webpage, you would have to install a plugin, such as the most common flash plugin. A lot of people in the first installation of a browser will encounter the browser is recommended to install Flash plugin, on the mobile side as well. If you want to watch video on the phone must install Flash plug-in, but the phone itself memory is very small this undoubtedly increased the mob

Linux Audio Driver Brief

First, digital audioAudio signal is a continuous change of the analog signal, but the computer can only process and record binary digital signal, from the natural sound source audio signal must undergo a certain transformation, become a digital audio signal, can be sent to the computer for further processing.The digital audio system realizes the reproduction of t

Linux Audio alsa-uda134x driver Analysis II (clock)

Tags: LSA generated audio span describe ATI channel Ann correctAudio ClockingAudio clock==============This text describes the audio clocking terms in ASOC and digital audio inGeneral. Note:audio clocking can be complex!This article describes the audio clock terms in ASOC and digital

C + + implements RTMP protocol to send H. Encode and AAC encoded audio and video

Http://www.cnblogs.com/haibindev/archive/2011/12/29/2305712.htmlRTMP (Real time Messaging Protocol) is a streaming protocol specifically designed to transfer audio and video data, originally created by Macromedia and later owned by Adobe, a proprietary protocol used primarily to contact Flash Player and Rtmpserver, such as FMS, Red5, crtmpserver , etc. The RTMP protocol can be used for live streaming, on-demand applications, and FMLE (Flash Media live

Killersound Tip: Optimize digital audio for Flash Lite

Skills | optimization Like Macromedia Flash has changed the way we experience the Web, Macromedia Flash Lite has the same effect on mobile devices. Sound effects are part of this rich experience. In fact, sound is an integral part of any mobile device, providing warnings, ringtones, audio prompts, and background music for a variety of entertainment uses. In this article, I'll introduce you to the Killersound tip-an innovative way to use sound in Flash

Android audio processing through Audiorecord to save PCM files for recording, playback, stop, delete function _android

Audio this aspect is very profound, I certainly can not speak what advanced things, at most also just some basic knowledge, first, we want to introduce Android he provided the recording class, in fact, he has two, one is Mediarecorder, There is another one that we are going to use today, what is the difference between them? Audiorecord I. Distinction Mediarecorder and Audiorecord can record audio, the dif

iOS audio playback audioqueue (a): Play local music

Audioqueue Introduction Audiostreamer description Audioqueue detailed Audioqueue Working principle Audioqueue Main interface Audioqueuenewoutput Audioqueueallocatebuffer Audioqueueenqueuebuffer Audioqueuestart Pause Stop Flush Reset Dispose Audioqueuefreebuffer Audioqueuegetproperty Audioqueuesetproperty Audio playback Localaudioplayer Initialization

Linux Audio Programming Guide

Linux Audio Programming GuideAlthough the advantages of Linux are mainly embodied in the network services, but in fact, there is also a very rich media function, this article is based on multimedia applications of the most basic sound as an object, how to develop the actual audio applications under the Linux platform, and also some common audio programming framew

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