jvc audio

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

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

*************************************************************************************************************** ************Easywave Time: 2014.10.25Category: Linux application-alsa audio architecture Alsa-lib porting to compilation declaration: reprint, please keep the linkNote: If there is an error, please correct me. These are the journal articles I studied ...*****************************************************************************************

Introduction to various management---audio management: Audio management classes for more audio, more categories of items, often the main process to write, so that the programmer can directly find the audio clips want to play, although slightly complex, but easy to organize and later add, if a project in the late reques

ALSA is a late audio processing library in Linux, mainly for improvements to the existing OSS libraries. Better performance, support for multiple playback sources, and so on. But correspondingly, increased programming complexity.The old OSS is a standard file IO interface, the device is opened with open, the audio recording is the data IO interface (read/write), the parameters of the device are controlled b

ALSA is a relatively late audio processing library in Linux, mainly for the original OSS library to improve. Better performance, support for multiple playback sources, etc. but correspondingly, the complexity of programming is increased.The old OSS is the standard file IO interface, the device opens with open, the audio broadcast is using the Data IO Interface (read/write), the parameters of the device are

Audio and video storage using the MPEG4IP library interface Mp4writesample Write-Audio Video frame (requires precise control of timestamp, time stamp can use relative value, that is, the current frame timestamp minus the timestamp of the previous frame) Mp4addh264videotrack adding H264 Track (timescale time factor parameter is important, based on the timestamp type definition of the video frame, 90000 (vid

As the current mainstream media playback software, Storm audio and video is almost household name. Version of the constant update so that the storm audio and video has more and more new features, so it is very convenient to grasp some skills to quickly operate. The latest launch of the Storm audio and video V2.9 Beta has a lot of practical new features, and hidde

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

#include #include#include#include#include#include#include/*The following three parameters are related to a specific file * cmd:file audio file * [file Pass.wav] =>> Pass.wav:RIFF (Little-endian) data, WAVE Audio, Microso FT PCM, + bit, mono 44100 Hz * 1. 16-bit * 2. Mono for the channel =1, stereo for stereo = 2 * 3. 44100HZ frequency This is what we all know, and the number of bits to capture or play

　Windows7 Audio Service not running solution Workaround 1, Windows7 "Audio service is not running", there is a red fork to do? User tips simple approach: Point small speaker, the volume to the maximum Workaround 2, Windows7 Audio service failed to start you can open the Management tool for Control Panel, open the list of services, select the Windows

How does the WIN8 system set up the audio manager? Win8 Set the Audio Manager method: 1, the first speaker audio cable unplug, temporarily not connected, in the Control Panel to open the hardware and voice button, click on the audio manager; 2, plug in the speaker audio

In PowerPoint slides, we often use audio and video files, but what kind of audio and video files can be played in PowerPoint. Today I will discuss this topic with you. Figure 1 In PowerPoint, audio and video files are often played through "Insert → movie and sound → files in movies (or sound in Files)", which makes it inconvenient to control sound a

The versatile audio Converter supports all current popular audio and video formats. such as: MP3, MP2, OGG, APE, WAV, WMA, AVI, RM, RMVB, ASF, MPEG, DAT, 3GP, MP4, FLV, MKV, MOD, MTS, such as audio and video format, converted to the MP3/WAV/AAC/WMA/AMR, etc. More powerful, the software can extract audio files from the

The browser plays the audio file directly, 1 is the direct access to an HTML audio file, and 2 is the return of a Java audio stream to the browser parsing.The following implementation of a Java WAV file audio stream, you can play audio files directly1 Packageorg.lib.speech.

Java audio playback, because you have to rely on the local environment, so Java has little advantage in audio processing, or since the Java system development is not too much to consider audio playback factors, to know the first version of Java 1.1, No later Javax.sound package, audio can only be transferred through th

This article to crawl Himalaya "the novel of the Four Kingdoms-the original reading aloud," the book as an example, demonstrates the Python crawler. Original book Address: http://www.ximalaya.com/4228109/album/268522/ 1. Enter the address we can find that the page has a very neat directory, then the page source code must also have a very regular directory, go in and see. 2. Clearly guessed right, the source code does have this very obvious rule, each chapter has its own fixed template: But at t

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

HTML5 's audio provides audio playback, but the native player style is not very good-looking, and the browser's appearance of the audio is not uniform. We can implement a responsive, touch-smart player with a slightly packaged audio. Html In fact, if only the above code, in support of HTML5 browser on the normal di

The child learns English, the pronunciation is the difficulty, often before learns behind forgets. If they can make audio books and courseware for them, they can greatly reduce the difficulty of their learning and save the parents ' tutoring time. WPS launched a practical office gadgets-"audio", Chinese and English words, phrases, sentences, articles can be read aloud or generate voice files, I believe it c