系統中有音頻 的英文怎麼說
中文拼音 [xìtǒngzhōngyǒuyīnbīn]
系統中有音頻
英文
system. capabilities. hasaudio- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 統 : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
- 有 : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
- 音 : 名詞1. (聲音) sound 2. (消息) news; tidings 3. [物理學] (音質) tone 4. (姓氏) a surname
- 頻 : Ⅰ形容詞(次數多) frequent Ⅱ副詞(屢次) frequently; repeatedly Ⅲ名詞1 [物理學] (物體每秒鐘振動...
- 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
- 音頻 : [物理學] [電學] audio frequency; vf (voice frequency)音頻電路 voice frequency circuit; 音頻振蕩...
-
Emphatically, this paper discusses the pattern of signal and antenna radiation of the system, the design principles and technologies of audio - generator and monitor, and the modification of measurement deviation. through special tests and aviate experiments, it has been proved that the performance of the domesticalized system is better than of the initial system
文中重點分析了俄制分米波儀表著陸系統的信號格式和天線輻射場型,著重闡述了系統中音頻信號產生器和監測器的設計原理和實現技術,對信號檢測中的測量誤差進行了分析並設計了有效的修正方法。Firstly, we study the construction of emotion - speech template database, and analyze the common features such as pitch, energy and formant. after choosing the useful features by using fuzzy entropy effectiveness analysis, we get better performance with the application of neural network. in addition, we propose some more efficient features such as speech rate, pitch slope, mel - frequency cepstral coefficients and its transient parameters, and design a processing model based on vector quantization for cepstral features to fusing different features
本文首先介紹了情感語音數據庫的建立情況,然後研究了基音頻率、振幅能量和共振峰等目前常用的情感特徵在語音情感識別中的作用,並且通過一種基於模糊熵的特徵有效性分析方法進行了有效特徵的篩選,應用人工神經網路建立了初步的語音情感識別模型,經過實驗發現特徵篩選后系統的識別效果有著一定程度的提高。So acoustic echo cancellation ( aec ) technique has become a hotspot of competition in famous communicaton company all over the world. however, it is not always easy to implement acoustic equipments for communication system with satisfactory speech quality
回波消除技術能有效地解決長距離電話網路、 ip電話、免提電話和視頻會議等通信系統中的回波問題,很好地改善了語音通信質量,具有廣闊的市場前景。Besides, the system can simultaneously monitor the real - time transmission condition of the audio and video packets, such as the loss and delay condition during the transmission in the lan, and apply some elementary solutions to it. so it is of a great applicative value
此外,該系統對音頻和視頻分組在以太網中傳輸中出現的丟失和延時等情況進行了實時監測和分析,並採取了一些初步的解決措施,因此具有廣泛的應用價值。The advent of the internet and the wide availability ofcomputers, scanners and printers make digital data acquisition, exchange and transmission a simple task. however, making digital data accessible to others through networks also creates opportunities for malicious parties to make salable copies of copyrighted content without permission of the content owner. digital watermarking is likely to be a potential solution to this problem. digital watermarking has been proposed as a solution to the problem of copyright protection of multimedia documents in networked environments. it makes possible to embed a watermark ( such as identification data, serials number, text or image etc. ) to multimedia documents allowing copyright protection, secret communication, document authentication and so on. in this paper, we present a new digital image watermarking method based on svd ( singular value decomposition ), and then give some theoretical analysis about the algorithm. extensive experimental results show that this method is much more robust than other methods presented before
隨著計算機和網路技術的飛速發展,數字圖像、音頻和視頻產品愈來愈需要一種有效的版權保護方法,另外通信系統在網路環境下的信息安全問題也日益顯露出來.數字圖像水印技術為上述問題提供了一個潛在的解決方案.所謂水印技術就是將數字、序列號、文字、圖像標志等版權信息嵌入到多媒體數據中,以起到版權保護、秘密通信、數據文件的真偽鑒別和產品標志等作用.本文提出了一種新的基於奇異值分解的數字水印演算法並且對該方法的理論基礎給出分析.實驗結果表明這種方法要比目前提出的流行演算法魯棒Once has the bandits and thieves to intrude guards against the place, the detector launches the wireless coded signal immediately, the networking center number which installs when is apart from defense area 150 meter within the main engine to send out the police whistle sound to report to the police immediately, reports to the police dials to establish in advance or reports to the police the telephone, the handset number, answers in the police telephone to return puts user pre - record to report to the police the pronunciation, long - distance reports to the police, simultaneously comes the real - time transmission through the internet to deploy troops for defense, to withdraw from a defended position, to report to the police and so on the condition, inquires the historic record through the computer network
該系統還採用美國進口原裝晶元與先進的無線數字高頻技術微電腦cpu控制器主機組成。在防範地點安裝好主機后,並設置在布防狀態。一旦有盜賊闖入防範地點,探測器立刻發射無線編碼信號,安裝在距防區150米以內的主機立即發出警笛聲報警,報警時撥打預先設定的聯網中心號碼或報警電話手機號碼,接警電話里回放用戶預錄的報警語音,遠程報警,同時通過網際網路來實時傳遞布防撤防報警等狀態,通過電腦網路來查詢歷史記錄。The standard, which was designed as a fully - digitised television broadcasting system in 1994, is only used in japan. indeed, the technology is capable of transmitting multiple television channels, multimedia service and tele - text data at the same time. radio broadcast is one of the functions that can be supported by isdb
Isdb是由日本放送協會( nhk )的放送技術研究所( science & technicalresearchlaboratories , strl )在1994年開始研發的全數碼化電視廣播系統,現時只有在日本當地使用,它是一種能夠傳送多頻道電視節目、多媒體服務,以及其他包含圖像文字等資料的數碼廣播系統,電臺聲音廣播只是它的其中一個功能。Speech communication is one of the most used modes in the digital trunking communication system. excellent algorithm of speech coding can save the bandwidth resource, improve the utilization of frequency, so it has important value for investigation
語音通信是數字集群通信系統中最常用的通信方式之一,優良的語音編解碼演算法能夠更加有效地節省帶寬資源,提高頻率利用率,因此具有重要的研究價值。The characteristic and key technologies of the system are as follows : ( 1 ) in realizing the live broadcast of audio and video, the problem of immense multimedia data and low networks bandwidth utilization ratio is solved by using mpeg - 4 as format of audio and video data. audio and video data are collected by video card cv500 which developed by beijing sum tone company ; meanwhile, the contradictory between the delay of networks transmitting and the quality of the image is well solved by setting a " bi - buffer area "
系統實現中解決的關鍵問題和特色主要有以下幾個方面: ( 1 )在視音頻直播功能的實現中,通過使用北京算通公司的cv500視頻採集卡和cv500sdk進行視音頻數據採集,並採用當今最新的圖像和語音編碼壓縮標準mpeg - 4作為視音頻數據的採集格式,既保證了圖像的質量,又大大縮減了視音頻所佔的帶寬,從而解決了多媒體數據量大、網路帶寬利用率低的問題;同時,通過設置環形緩沖區的辦法來調和網路傳輸延時與圖像質量之間的矛盾,取得了較好的效果。Point coping that that family the system inside pack in see a kind of box to keep watch on the, underneath or behind. used for heavy put the center passage the person voice that deliver some voices for the dialogue s type information and other holding the last action relevantlies
指家庭影院系統中裝于視頻監視器的頂部,下面或後面的一種音箱。是用於重放中心通道送來的人聲對白之類信息以及其它同熒屏上的動作有關的一些聲音。Modern embedded system has great computing capacity and been used in most aspects of human lives : pda, mobile phone, set top box, networks, computer of car, security systems, medical instruments, audio / video, information appliance, etc. most embedded systems have their own os
現今的嵌入式系統已具有非常強的計算功能,廣泛的應用到了人們的日常生活中: pda 、手機、機頂盒、網路設備、車載電腦、安全系統、醫療儀器、音視頻設備、信息家電等等。通常嵌入式系統需要嵌入式os的支持。Of course, establishing a web services based distributed television production environment must be much more complex than the paper described. there are still many difficulties, such as how to acquire the complex business logic, how to deal with the legacy system, what format to use for the multimedia material exchange, how about the safety of web services, etc. all these need further study
當然,建立基於web服務技術的分散式電視節目製作環境所涉及技術問題比論文中研究的內容要復雜很多,例如復雜業務邏輯的抽取、遺產系統的處理、視音頻素材的交換格式、 web服務的安全等,都有待于進一步的研究和實踐。It adapts to the cdma system and achieves multi - rate speech coding and decoding. source and mode control are combines in smv for rate selection, so it improves the flexibility of cdma system, it will allow cdma subscribers to enjoy superior quality while allowing service providers to increase capacity as needed. smv is regarded as a breakthrough technology that provides significant capacity and quality gains on cdma systems, so the researching of smv is of great practical value
可選模式聲碼器( smv ? selectablemodevocoder )是3gpp2最新的用於寬帶擴頻cdma通信系統的變速率語音編碼標準,它實現了語音的多種低速編碼和解碼,在速率選擇上將源控和模式控制相結合,提高了cdma系統的靈活性,可以在保證高質量語音的同時盡可能增加系統的容量,被認為是變速率語音編碼在cdma系統中應用的「突破性」技術,代表了當前語音編碼發展的方向和潮流,因此smv的研究具有很大的價值。As a result, signals leak across conventional hybrids at all other frequencies causing oscillation in full duplex systems and unreliable vox ( voice operated xmit ) operation in half - duplex systems
因此,在所有不同頻率上信號通過傳統的混合線路,信號泄漏會在全雙工系統和不可靠的vox (話音控制發射)在半雙工系統中的操作中產生震蕩。However, there are some questions about instant messenger : firstly, instant messengers existed ca n ' t support to draw instantly graphs for communicating with others because there is no environment to draw graphs in the local computer in instant messengers. secondly, or can do it, but for transferring too large picture encode data, the instant messengers are only running in local area networks, not in internet
現有的即時通信系統在支持圖形即時雙向交互方面還存在著如下問題: ( 1 )不能支持基於圖形的即時通信,在即時通信系統中缺少即時繪制圖形的環境,只支持基於文字、文件、語音和視頻的通信; ( 2 )部分支持基於圖形的即時會話的系統,傳輸的數據是圖像壓縮數據,單位時間內傳輸的數據量大,不適合在開放網際網路上廣泛使用。There are a lot of signals transmitted in the optic fiber communication system, such as : video, audio, data, telephone or other user - defined signals. if one fiber transmites one signal, it will take a lot of money. it is necessary to take multiplexing in order to make use of optic fiber effectively and reduce the cost
在光纖通信系統中要傳輸的信號有許多種,如視頻圖象、音頻、數據、電話或其他用戶自定義的信號,每種信號分別用一條光纖線路來傳輸,必然價格昂貴,所以為了提高光纖的利用率,降低成本,必須將各種信號進行復用。This network fire fighting broadcasting system can use existing network resource availably and implement the speech communication in the networking buildings in the garden area. it can implement the broadcasting to various buildings at the same time, and it also can implement the broadcasting with multichannel different speech data. the speech data may be the audio files or the microphone input speech
本網路消防廣播系統能夠有效的利用現有的網路資源,實現對園區內聯網大樓的語音傳輸,能實現同時對各大樓的廣播,且能實現在系統中同時傳輸多路不同的音頻碼流,音源可以是音頻文件或麥克風語音輸入。It comprises functions of video - audio data collecting, coding, storage, transmission, decoding, playback and vidicon remote control. the center can monitor many remote surveillance stations at the same time, and each remote surveillance station can monitor more than one singnal in the mean time
該系統具有視音頻的採集、壓縮、網路傳輸、解壓、存儲、回放、攝像機遠程控制等功能,監控中心能同時監控多個現場監控站點,每個現場監控站點又可同時監控多路信號。Coaxial cable - a type of cable used for broadband data and cable systems, with excellent broadband frequency characteristics, noise immunity and physical durability
同軸電纜-一種應用在寬帶數據和有線電視系統中的電纜,它具有非常優良的寬帶頻率特性,能消除雜音且有物理耐久性。Desktop videoconference system possesses functions of video, audio, whiteboard, file transfer, application sharing, it is the developmental direction of videoconference currently. this task mainly analyses the white board system of them and tablet is inducted into this system
桌面視頻會議系統具有視頻、音頻、電子白板、文件傳輸、應用程序共享等功能,是當前視頻會議發展的方向。本課題主要分析電子白板系統,並將手寫板引入其中。分享友人