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Which signal is best for transmission for audio and video? 

Transmission (telecommunications)
Packet loss
Error detection and correction
Codec
Audio signal flow

Answers from top 10 papers

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Papers (10)Insight
Journal Article•DOI
Wireless Scalable Video Coding Using a Hybrid Digital-Analog Scheme
Lei Yu, Houqiang Li, Weiping Li 
01 Feb 2014-IEEE Transactions on Circuits and Systems for Video Technology
95 Citations
Therefore, it is very suitable for wireless video broadcast/multicast transmission and mobile video applications.
Journal Article•DOI
Prediction of Transmission Distortion for Wireless Video Communication: Analysis
Zhifeng Chen, Dapeng Wu 
01 Mar 2012-IEEE Transactions on Image Processing
39 Citations
The capability of predicting transmission distortion (i. e., video distortion caused by packet errors) can assist in designing video encoding and transmission schemes that achieve maximum video quality or minimum end-to-end video distortion.
Proceedings Article•DOI
An Efficient Audio-Video Synchronization Methodology
Ming Yang, Nikolaos G. Bourbakis, Zizhong Chen, Monica Trifas 
02 Jul 2007
14 Citations
With this approach, significant advantages have been obtained: (1) the communication channel for audio data transmission is avoided; (2) the synchronization between audio and video data is robust to packet loss.
Journal Article•DOI
A Low-Complexity Joint Source-Channel Videocoding for 3-D DWT Codec
Evgeny Belyaev, Karen Egiazarian, Moncef Gabbouj, Kai Liu 
01 Jan 2013-Journal of Communications
9 Citations
Therefore, it can be more preferable for video transmission over highly unreliable channels and (or) in systems in which the video encoding computational complexity or power consumption play a critical role.
Journal Article•DOI
Optical PWM data link for high quality analogue and video signals
Brett Wilson, Zabih Ghassemlooy 
01 Jul 1987-Journal of Physics E: Scientific Instruments
11 Citations
The link is suitable for low-distortion transmission of full specification video signals or any analogue signal with a bandwidth of up to 5.5 MHz.
Proceedings Article•DOI
A Novel Adaptive Unequal Error Protection Method for Scalable Video over Wireless Networks
A. Naghdinezhad, Mahmoud Reza Hashemi, Omid Fatemi 
20 Jun 2007
30 Citations
Consequently, applying UEP on scalable video signal improves the efficiency and reliability of a video transmission system.
Proceedings Article•DOI
Experiment on slow-moving mobile video signal transmission in SRD band
Karel Ulovec, Stepan Matejka 
19 Apr 2011
Frequency modulation is used as the best candidate for the video signal transmission under such conditions.
Journal Article•DOI
An error detection and recovery algorithm for compressed video signal using source level redundancy
Chang-Su Kim, Rin-Chul-Kim, Sang Uk Lee 
01 Feb 2000-IEEE Transactions on Image Processing
16 Citations
In this paper, we propose a robust video transmission algorithm, which protects the compressed video signal by inserting redundant information at the source level.
Journal Article•DOI
Quasi-Quadrature Modulation Method for Power-Efficient Video Transmission Over LTE Networks
Taras Maksymyuk, Longzhe Han, Xiaohu Ge, Hsiao-Hwa Chen, Minho Jo 
04 Apr 2014-IEEE Transactions on Vehicular Technology
16 Citations
We suggest a new method of modulation for improving energy efficiency of wireless video transmission.
Open access•Journal Article•DOI
Simultaneous transmission of audio and video signals using visible light communications
Do Ky Son, Eun-byeol Cho, Inkyu Moon, Zabih Ghassemlooy, Soeun Kim, Chung Ghiu Lee 
28 Oct 2013-Eurasip Journal on Wireless Communications and Networking
13 Citations
We show that successful simultaneous high-quality audio and video signal transmissions over a link span of 50 cm are possible without the need for optimized optics.

Related Questions

What is audio signal?5 answersAudio signal refers to the representation of sound in the form of both analog and digital signals. It is characterized by a frequency range of 20Hz to 20,000Hz, which corresponds to the lower and upper limits of human hearing. Audio signal processing is a method that applies intensive algorithms to audio signals in order to remove unwanted noise and enhance the quality of speech. This process involves balancing the time and frequency range, as well as altering sounds to remove echo, unwanted noise, and over modulation. Different transforms such as DFT, DST, DCT, MDCT, and Integer MDCT can be used to convert audio signals from the time domain to the frequency domain for analysis and evaluation. The evaluation of audio signals includes analyzing features such as mean square error, signal to noise ratio, peak signal to noise ratio, energy, entropy, and zero crossing rates.
What are the characteristics of each type of video signal?5 answersStep 1: Answer without citation Different types of video signals have specific characteristics. Surname_Tomizawa et al. developed a method for extracting three video signals from each primary color for image display. Surname_Satoh et al. focused on developing a high-definition video disk system with a long playback time using a red semiconductor laser. Surname_Harushige proposed a system to automatically correct light output variation and linearity deterioration in laser diodes due to temperature fluctuations. Surname_Lin and Surname_Yang designed a handheld video signal generator with a simple circuit and low cost. Surname_Tanaka studied the evaluation of television systems in terms of picture quality degraded by random noise, considering human visual characteristics and signal-to-noise ratio. Step 3: Answer with citation With regard to each of primary colors for image display on the image display panel, (i) three video signals are extracted from each of video signal rows of J types in which the video signals supplied to pixels are aligned in line with time series, in such a manner as to cause the order of primary colors reproduced by the three video signals to be in line with the order of the J primary colors allocated to the respective pixels, and (ii) video signal rows of three types are generated by serially allocating each of the three video signals to any one of the video signal rows of three types.赤色半導体レーザを搭載し, 再生時間片面60分の長時間再生が可能な高精細ビデオディスクシステムを開発した.長時間化には, 記録線速度を遅くし, トラックピッチを狭めて情報を高密度に記録することが必要である.このため高密度記録をした際の信号記録再生プロセスの信号伝達特性を計算機シミュレーションし, ピット形状と再生信号の周波数特性, クロストーク量, 混変調歪量との関係を明確にした.本論文では, これらシミュレーションと実験結果について述べるとともに, 開発したシステムの概要について報告する.The utility model relates to a hand-held type simple video signal generator which is characterized by comprising an MCU (Microprogrammed Control Unit) and a power supply unit for supplying power for a system, wherein the MCU is provided with a key circuit, a hardware calibration circuit, a serial port communication module, a signal output module and a memory used for storing video signals in a connecting manner. The hand-held type simple video signal generator, disclosed by the utility model, has the advantages of being simple in circuit, low in cost, small in volume, being convenient to carry and being capable of outputting a set standard video detection signal based on the need of a user.The evaluation of a television system is finally verified through the subjective assessment of the picture quality on a display. A system evaluation method has been studied in terms of the picture quality degraded by random noise added through a transmission line, using a weighted signal-to-noise ratio considering the human visual characteristics, and an unweighted signal-to-noise ratio, that is, a physical signal-to-noise ratio. In this paper, the relation between the quantity of random noise added through the transmission line and the quantity of random noise on a display is provided in a television system using either an interlace scanning method or a progressive scanning method, and the change in noise characteristics through an interlace-to-progressive scanning conversion is analyzed. Furthermore, the change in noise characteristics mediated by the human visual system is investigated, and finally, these studies and analyses are verified through subjective assessment.Urata Harushige proposed a system to automatically correct light output variation and linearity deterioration in laser diodes due to temperature fluctuations.
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