近年来。在低码率的音频编码算法中也开始应用它。
Recently, it began to be applied in low - bit rate audio coding.
而带宽范围较宽的音频编码采用的则多是基于心理声学的感知编码技术。
However, the audio coding technology for ultra wideband mostly USES perceptual coding which is based on the psychoacoustic model.
本发明提供了一种能够在低比特率时恢复高质量音频信号的音频编码与解码装置。
Provided are audio encoding and decoding apparatuses capable of recovering a high-quality audio signal at a low bit rate.
本文介绍了一种新的音频编码算法-LDX，它是一种高效低延时的感知音频编码方法。
As many low delay high efficient perceptual audio coding algorithms, a newly designed audio coding algorithm - LDX is introduced in the thesis.
音频数据的编码是一项cpu密集型任务。
这样的性能提升在CPU受限的应用中更加明显，例如CAD、音频和视频编码、压缩等等。
This performance increase is most pronounced in CPU-limited apps like CAD, audio and video encoding, compression, etc.
虽然音频内容现在有基本的浏览器支持，但对绝大部分内容，用户都得经过一点麻烦的手续(即，从外部站点下载安装编码)才能获得。
For the most part, users must go through a bit of trouble (i.e., downloading and installing codecs from off-site), although audio content now has rudimentary in-browser support.
如果你很感兴趣，大部分3gpp视频都是以h . 263 MPEG - 4以及amr音频编码的，但是它们现在也逐渐在转移到h . 264了。
In case you were curious, most of the 3gpp video is encoded in h.263 MPEG-4, with AMR audio, but it's gradually shifting to h.264, too.
用于传输音频的编码是G . 711和G . 723。
近日，Google开源了WebM——用于视频压缩与编码的免费媒体文件格式，它主要包含如下组件：VP8视频codec、Vorbis音频codec以及Matroska媒体容器。
Google has recently announced WebM, an open source, royalty free media file format consisting of the following components: VP8 video codec, Vorbis audio codec, and the Matroska media container.
另一方面，接收单元仅接收Vorbis编码的音频流。
The sink pad, on the other hand, simply accepts Vorbis-encoded audio stream.
在移动平台上的压缩音频以MP3格式编码为了能快捷解压。
On mobile platforms compressed audio is encoded as MP3 for speedier decompression.
论文的主要内容如下：第一，从原理上阐述了MP3音频编码算法。
The primary contents of this paper are as follows: Firstly, the principle of MP3 audio encode algorithm is introduced.
帧速率是没有直接关系。比特率是多少位的测量被用来编码一个第二音频或视频。
The frame rate is not directly related. The bit rate is just a measure of how many bits are being used to encode one second of audio or video.
UDP是用来传输编码的视频或音频轨道(或其他类型的音轨)。
RTP over UDP is used to transport the encoded video or audio tracks (or other types of tracks).
在移动平台上的压缩音频以MP3格式编码，以在解压缩时占用更少的CPU资源。
On mobile platforms compressed audio is encoded as MP3 for less CPU intensive decompression.
感知音频编码是音频信号存储和传输的主流技术。
Perceptual audio coding is the mainstream technology for the storage and trans-mission of audio signals.
本发明提供一种可应用于语音和自然音频编码的低复杂性，中级质量HFR方法。
The proposed invention offers a low-complexity, intermediate quality HFR method useful in speech and natural audio coding applications.
提出一种可抵抗MP3编码的音频水印方案。
An audio watermarking scheme based on partial MP3 encoding is proposed.
设计并实现了标准清晰度数字电视的立体声音频编码器。
Design and implementation of the audio encoder in SDTV are presented in this paper.
源音频的本质是用脉码调制或PCM编码。
The source audio essence is encoded using pulse code modulation or PCM.
在低比特率音频感觉编码中，预回声失真更为突出，而对其处理的前提是瞬态信号的有效检测。
In perceptual audio coding with low bit rate application, the pre-echo artifact is more distinct, and the effective detection of transient signals is the precondition.
设计选用PCI多媒体接口芯片SAA7146A，方便的实现了与视频编码器、视频解码器和音频编解码器的连接。
It USES the PCI interface chip SAA7146A special for media processing produced by Philips, and connects simply with video encoder, video decoder, audio encoder and decoder.
然后介绍了几种经典的音频信息隐藏算法，如最不重要位，相位编码和回声编码，并且将它们用在我们这套系统中实现了隐秘通信。
Then it introduces some classical arithmetic of audio information hiding, such as Least Significant Bit, Phase Coding, Echo hiding. And we use them in our system to realize covert communication.
用DSP实现MPEG音频编码是各种网络多媒体应用中的关键部分。
Applying DSP to the MPEG audio encoding is the key to network multimedia applications.
音频文件的产生通过建模和编码的方法实现。
The audio frequency file is built by the method of modeling and coding.
该编码器的信号输入包括两种类型，模拟音频信号的输入和串行数字音频信号的输入。
There are two kinds of input signals in this encoder: analog audio signal input and serial digital audio signal input.
提出了一种新型的、用双音频编码实现的音频远方跳闸装置。
A new - style audio remote tripper is presented, which adopts DTMF (Dual Tone Multiple Frequency) technology.
文中提出应用数字信号处理器和微控制处理器ARM9核的MPEG-4视频简易框架和高级音频编码解码器的实时嵌入式设计。
A real-time embedded design of MPEG-4 visual simple profile and advanced audio coding decoder using Digital Signal Processor and ARM9 core are presented in this paper.
文中提出应用数字信号处理器和微控制处理器ARM9核的MPEG-4视频简易框架和高级音频编码解码器的实时嵌入式设计。
A real-time embedded design of MPEG-4 visual simple profile and advanced audio coding decoder using Digital Signal Processor and ARM9 core are presented in this paper.
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