I. Audio Codec format* MPEG audio layer 1/2* MPEG audio Layer 3 (mp3)* MPEG2 AAC* MPEG4 AAC* Windows Media audeo V1/v2/7/8/9* RealAudio cook/sipro (Real Media Series)* RealAudio AAc/aacplus (Real Media Series)* Qdesign music 2 (apple series)It is a qdesign company developed for high fidelity and high compression ratio encoding method, similar to MP3, but more adv
WAV audio files
Chess Boy 1048272975
WAV is a file format for saving audio information that is widely used in Windows and its applications, and today the mainstream audio player supports the playback of WAV audio files. 1. WAV Audio Format
WAV is the standard Windows file f
ways to get audio footage directly using PowerPoint 2013
1. Start PowerPoint 2013 and open the presentation and select the slides you want to insert the sound into. On the Insert tab of the Ribbon, in the Media group, click the Down Triangle button on the audio button to select the Online audio option in the Open Drop-down list, as shown in Figure 1.
necessary theory should be a bit more! Let's talk about the audio preliminary.
Audio preliminary (1)
Audio: audio in English. You may see the audio output or input port on the video recorder or vcd backplane. In this way, we
Audio
MediaPlayer wake-up lockGenerally, MediaPlayer is used to play audio streams. We recommend that you use a Service to carry MediaPlayer instead of directly using it in the Activity. However, in the Android system's power consumption design, to save battery consumption, if the device is in sleep state, the system will try to reduce or disable some features that are not required by the device, including the CPU and Wifi hardware. Then, if it is an applic
What is AAC?
AAC, Advanced audio coding, is a technique for compressing digital audio files. officially part of the MPEG-4 standard, itIsMost widely used to create small digital audio files. The current variant is specified in ISO/IEC Standard 14496-3.
AACIs conceptually similar to the ubiquitous MP3 format. like MP3, it takes advantage of deficiencies in huma
The software operation example of recording in Lesson four
Recording on the system configuration and operating system basic requirements: support Win98 above all operating systems, DX8.1, recommended dx9.0b, memory of course, the larger the better, 128MB memory recommended use WIN98,256MB memory above recommended use WINXP,CPU of course, the sooner the better, Hang DX plug-ins More words system resources consumption less, general now mainstream or slightly outdated computers are no problem, the
WAV: Losslessis a sound file format developed by Microsoft that conforms to the Piffresource Interchange File format specification for storing audio information resources for the Windows platform and is supported by the Windows platform and its applications. “*. WAV "format support MSADPCM, Ccittalaw and other compression algorithms, support a variety of audio digits, sampling frequency and channel, the sta
From: http://book.51cto.com/art/201001/179672.htm
Chapter 2Android audio system
This chapter introduces the content of the android audio system, which is mainly the audio input/output link and does not involve codec content (the audio system has content from the driver, local framework to Java framework ). This chapt
Audio Processing in WINDOWS
In WINDOWS, audio processing can be roughly divided into two parts: audio input and output, and ACM compression.In WINDOWS, Apis such as sndPlaySound (MCI) can be called to play a WAV file, but this is obviously not what we need to do. You must be able to directly Process audio data stream
In the production of the publishing side, you need to collect the sound card output signal, in order to mix with the microphone input signal, for audio processing technology, mainly the following:
Capture Microphone Input
Collect sound card output
Send audio data to the sound card for playback
Mixing multi-channel audio inputs
Here are t
016-11-25 DORAWEBRTC series Wind net WEBRTC series Wind Net
Source: Wind NET Series
Author: Weizhenwei, fan network columnist
Audio and video synchronization is the most intuitive user experience for multimedia products, and is the most basic quality guarantee for audio and video media data transmission and rendering playback. If the audio and video is not synchr
Playback of sound effects
First, a brief introduction
In simple terms, audio can be divided into 2 kinds
(1) Sound effects
Also known as "short audio", usually plays in the program 1-2 seconds long
Play a decorative effect in your application to enhance the overall user experience
(2) Music
such as "background music" in the game, the general playback time is longer
Frame: Playing
Here is the introduction of the basic knowledge of music in Flash, if you want to know how to deal with the music in Flash, please read this article.
Flash provides several methods for using sound. You can make the sound play independently of the timeline, and you can synchronize the animation with the track. Attaching a sound to a button makes the button more responsive. Makes the sound fade in and out, making the track more graceful.
There are two types of sounds in Flash, event sounds (events
Reprint Please specify source: http://www.cnblogs.com/fangkm/p/4374668.htmlThe previous blog introduces the local video collection, this article introduces the audio capture process, but also introduces WEBRTC native audio collection, and then introduces chromium source to its customization.1. WebRTC native Audio captureLet's first introduce the interface concept
Android 4.1, abbreviated as JB. In Chinese eyes, the word JB is also related to animals. Google modified android so frequently, and finally launched a version that can be put on the mouth of JB all day long. In the future, my articles can also use JB to express the version number, while JB to express what Chairman Mao often said, "Strategic contempt". Please try to understand my mood for writing the word JB according to the context. Today, we will give a brief introduction to the earth-shaking c
Today, as mobile QQ or MSN enters the mobile phone, mobile users begin to enter the new era of video chat or video conferencing, but due to mobile environments (such as elevators, roads, squares, restaurants, bars, trains, and automobiles) mobile phone users are increasingly eager for HD Audio due to various noisy noises or interference. This is why HD Audio has already ranked first in the mobile phone mark
Transferred from: http://www.cnblogs.com/fangkm/p/4374668.htmlThe previous blog introduces the local video collection, this article introduces the audio capture process, but also introduces WEBRTC native audio collection, and then introduces chromium source to its customization.1. WEBRTC native Audio captureLet's first introduce the interface concepts in WEBRTC t
Web Audio is also a relatively new JavaScript API, which is different from the General Web applications should not fall into these APIs, but some types of web sites such as game engines or online music editors should be used.The Web audio API is tightly wrapped around a conceptual design: audio context, which is like a graph, each node in the way is an
from the theoretical height of analysis, if you are experiencing problems, through the search engine came here, please directly read the article "Summary", this part of the reference post is basically Ubuntu audio problem Daquan.Now let's take a bottom-up analysis of this problem from the bottom up.First of all, the Linux community is facing the biggest and most realistic status quo, is to get too little support. From the chip level, each OEM has the
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