audio encoding 中文意思是什麼
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Encoding compression technology of digital audio in digital tv
論數字電視中數字音頻的編碼壓縮技術 -
The focus is placed on the investigation of the standard of the encoding algorithm for mpeg audio layer iii, and the analysis of the major four modules in the compression algorithm, including encoding of subband filter bank, psychoacoustics model, quantification and huffman coding, frame packing
重點研究了mpeg音頻第層編碼的演算法標準。詳細分析了壓縮演算法中的四個主要功能模塊：子帶濾波器組編碼，心理聲學模型，比特流量化與霍夫曼編碼，幀數據流格式化。 -
Sampling rate and source encoding for professional digital audio recording
專業數字錄音的采樣率和聲源編碼 -
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。 -
In which adpcm is responsible for the audio signal ' s encoding / decoding and processing, and the latter is responsible for ip packing and unpacking
前者用於語音的編解碼和信令提取，信令不單獨佔用帶寬；後者負責碼流的ip封裝和解封裝。 -
On the basis of analyzing the old system and theory, the element circuits of wireless digital audio transceiver modules are designed in detail including the digital audio encoding and decoding circuits with the surrounding circuits, the fsk circuit based on pll frequency synthesizer, the power amplifier circuit, the frequency discrimination and agc circuit
在分析原系統結構和理論的基礎上，完成了整個無線數字音頻傳輸模塊各單元電路的設計。主要包括有數字音頻編碼和解碼電路及外圍電路的設計、基於鎖相頻率合成器理論的fsk電路設計、功率放大器的設計、鑒頻與agc控制電路的設計。 -
Applying dsp to the mpeg audio encoding is the key to network multimedia applications
用dsp實現mpeg音頻編碼是各種網路多媒體應用中的關鍵部分。 -
First of all, the paper discusses protocols, standards, key technologies and work theories that relate with ip phone. it probes into the speech encoding technologies, sending and reception of data packet, recording and playing of audio frequency
本論文首先討論了與ipphone相關的協議、標準、關鍵技術及其工作原理，然後探討了語音編碼技術，數據包的發送與接收，以及音頻錄制和播放。 -
This encoding mode was first applied in digital mobile communications to encode voice, effectively lessening the code distortion of audio signals
該編碼首先應用在數字移動通信中，用作話音的編碼，它能夠有效地削減音頻信號的編碼失真。 -
Mpeg - 2 is an international standard about digital motion picture and audio signalizing for using in telecomunication, broadcasting, storage media and computer field established by iso / iec [ 1 ], [ 2 ]. hdtv ( high definition television ) technology integrates the most advanced image compression encoding technology and the digital communication technology, which is representative of the third generation television
Mpeg - 2作為數字視頻壓縮技術和國際通用標準，在視聽工業、多媒體通信、數字視頻廣播以及未來的信息高速公路等領域有著廣闊的前景。高清晰度電視（ hdtv ）是當今世界上最先進的圖像壓縮編碼和數字通信技術的結合，是第三代電視的標志。 -
The achievement of modifications on source - code was summarized as well. chapter one briefly introduced current developing status of audio coding techniques and the structure of this paper ; then chapter two shortly described the history of ogg vorbis and its technical process flow ; the data process and parameters calculations before vorbis quantization were discussed in chapter three ; and the details about vorbis quantization were shown in chapter four ; the following chapter five researched the process of vorbis decoding ; in chapter six, i derived and provided a unified implement structure on mdct and modified the source - code ; chapter seven is about some experiments where i compared and analyzed to finally present a summary on ogg vorbis encoding performance and the results on code modifications
論文第一章敘述了數字音頻壓縮技術發展狀況、音頻標準、主流音頻格式、各音頻格式存在的問題以及對本論文組織結構的簡要說明;第二章簡要介紹了oggvorbis音頻格式的概況和編解碼的技術結構;第三章詳細介紹了voibis演算法編碼過程中量化處理之前的數據處理和參數計算;第四章詳細介紹了voibis演算法編碼過程中的量化處理;第五章結合源代碼詳細介紹了vorbis演算法的解碼過程;第六章中對oggvorbis的mdct運算模塊提出一種統一實現方案，同時對代碼進行了修改;第七章將oggvorbis音頻與主流音頻格式mp3及aac進行了對比測試，對vorbis整體編碼性能和前面章節中代碼的修改作出了總結。 -
Focusing on the feature of vliw, optimized mpeg audio encoding algorithm fixed - point parallelized programe. practising the real - time encoding of mpeg layer ii based on map - cadsp
對mpeg音頻編碼演算法進行演算法的優化和定點化，從而可以在性價比較高的定點dsp上實現mpeg音頻編碼。 -
The following new and or updated features are available in windows media player 7. 1 : new windows media audio 8 wma8 encoding
以下列出windows media player 7 . 1中提供的新功能及或更新的功能： -
It emits superb audio quality for a point - to - point videoconference via a network, with double the bandwidth frequency of conventional audio encoding
它在點對點的視像會議中發提供superb音頻品質。而其他普遍的音頻編碼需要兩倍的頻寬頻率。 -
An analysis on the parallel algorithm of audio encoding and decoding. 2. an overall analysis of the current media stream transfer protocols including rtp / rtcp, rsvp
對當前的因特網上的流媒體傳輸協議作了一個全面的分析，主要有有實時傳輸協議rtp 、實時傳輸控制協議rtcp 、資源預留協議rsvp等。 -
By the study of rtp / rtcp protocol, video encod / decode technic, directshow, timestamp and multicast, the paper brought forward the design project of streaming media real - time system based on rtp. the system has the function of video / audio capturing, encoding, network transmission, decoding, storage and playback. it resolved some problems such as streaming media transmission on narrow banwidth better. these functions were accomplished by software with using mpeg - 4 standard to encode and decode video stream
該系統具有音視頻採集、編碼、網路傳輸、解碼、和回放等功能，較好的解決了目前網路流媒體傳輸存在的網路帶寬較窄等問題。這些功能都採用軟體實現，採用視頻壓縮標準mpeg - 4對視頻進行編碼解碼。在硬體方面只作較少的投資，因此，成本低，易於升級。
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