audio carrier 中文意思是什麼
audio carrier
解釋
伴音載波-
Through embedding watermark information into audio carrier, the function of copy restriction, use track and the pirate confirmation can be realized
通過在音頻載體中嵌入水印信息，可以實現拷貝限制、使用跟蹤、盜用確認等功能。 -
The digital watermark technology research is precisely developing rapidly under such kind of application request. the digital watermark is divided into text watermark, image watermark, audio frequency watermark and video frequency watermark from the carrier situation. at present, the digital watermark technology research has obtained the quite gratifying achievement already and its application already permeates many aspects of life
本論文先後介紹了數字水印、視頻數字水印的一些基本概念和相關情況，以及視頻水印方案的一些典型演算法;著重針對數字水印在電視領域的應用，闡述了應用於廣播監控的解決方案以及相應的水印嵌入和提取演算法。 -
First, the modern electronic audio - visual media must refer to and absorb the essence of the classical arts to enhance its own communication quality and culture, and form its characteristic esthetic system and unique expression way, and become the most vital mass media ; at the same time, the widespread electronic audio - visual media become the effective carrier and communication means of classical arts, and bring new vitality and enlightenment to each traditional art which has already moved towards the bleak decline. each traditional art gives out brilliance and vigor on the screen of audio - visual media
首先，現代電子視聽媒體只有借鑒和吸收已有千年積淀的經典藝術的菁華，才能提高自身傳播內容的質量，形成深厚的文化底蘊，才能形成具有現代媒體特色的審美體系和獨特表達方式，才能成為最具有生命力的大眾傳播媒介；同時，廣泛普及的電子視聽媒體又成為經典藝術的有效載體和傳播手段，為已經走向蕭條衰落的各種經典藝術帶來了新的生機和啟示，傳統藝術形式在視聽傳播媒體的屏幕上煥發出新的光彩和活力。 -
For digital audio encoding and decoding modules, delta - sigma modulation is introduced and audio data, preambles with accessorial data are multiplexed according to the digital audio interface standard ; for carrier wave, pll frequency synthesizer is used ; for frequency modulation, voltage control oscillator is taken ; for demodulation, pll frequency discrimination is adopted
調制方式，並按照數字音頻介面標準對音頻數據、同步字和附加信息進行通道復用;對于載波信號，採取鎖相環頻率合成技術手段;對于頻率調制，採用壓控振蕩器;對于解調電路，採取鎖相環鑒頻電路。 -
Acent audio carrier
鄰頻道伴音載波 -
In recent years, the research about the audio digital watermark technology is developed quickly. especially the technology of audio digital watermark in the transform domain, make research have practicability because it can embed information to sensitive area of the carrier
近幾年來，有關音頻數字水印技術的研究工作發展很快，尤其在變換域音頻信息的數據嵌入技術，由於其能將信息嵌入到載體的敏感區域，使得研究更具有實用性。 -
Firstly, on the base of analyzing psk ' s theory and audio - card ' s constitute and data transfers, bdpsk and qdpsk soft - modulation and soft - demodulation systems based on audio - card are studied and implemented, including generating digital carrier sequence, synchronizing carrier, designing filter, sampling and judging, etc. the system adopts coherent demodulation method, synchronizing carrier adopts costas loop
本文首先分析了調相信號調制解調的基本理論和多媒體計算機（ mpc ）聲卡組成原理及數據傳輸等方面的內容，然後研究並實現了基於計算機聲卡的bdpsk和qdpsk信號軟體調制解調系統，內容包括數字載波序列的產生、載波同步、濾波器設計，信號的抽樣判決等。 -
Tv audio carrier
電視音頻載波 -
These years, with the development of network technology, broadband access became necessary to applications in home network, and it is the one that carrier company wants to push on. currently, adsl, xdsl, fttb and cable modem still have some distance to people ’ s requirement, since they ca n ' t offer enough performance and quality to net - meeting, vod and voip. ngn ( next generation network ) is open network that could provide very new services, such as audio, video and data
近年來，隨著網路技術的迅猛發展，寬帶接入逐漸成為很多家庭應用的必要設施之一，它也是電信運營商大力推廣的應用手段，當前廣泛使用的寬帶接入方案如adsl ，小區寬帶， xdsl和cablemodem與人們的需求還有一定差距，也不能為新興網路業務如視頻會議、 vod 、 voip提供足夠的帶寬以及相關業務的性能和質量保證。
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