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Designing file systems for digital video and audio

P. Venkat Rangan, Harrick M. Vin
1991 ACM SIGOPS Operating Systems Review  
We address the unique requirements of a multimedia file system such as continuous storage and retrieval of and/or specific permission.  ...  Acknowledgement The initial motivation for this work comes from our involvement in the Etherphone project, which was made possible by Dan Swinehart, Doug Terry, and  ...  A file system must not only store video and audio data, but also preserve temporal relationships among them.  ... 
doi:10.1145/121133.121149 fatcat:pua643avsvhoxlfj4bdswdyeky

Designing file systems for digital video and audio

P. Venkat Rangan, Harrick M. Vin
1991 Proceedings of the thirteenth ACM symposium on Operating systems principles - SOSP '91  
We address the unique requirements of a multimedia file system such as continuous storage and retrieval of and/or specific permission.  ...  Acknowledgement The initial motivation for this work comes from our involvement in the Etherphone project, which was made possible by Dan Swinehart, Doug Terry, and  ...  A file system must not only store video and audio data, but also preserve temporal relationships among them.  ... 
doi:10.1145/121132.121149 dblp:conf/sosp/RanganV91 fatcat:5kb3u52hwzhdrm27ujy7yr7xdq

Cognitive Constructivist Theory of Multimedia: Designing Teacher-Made Interactive Digital

Prince Hycy Bull
2013 Creative Education  
Audacity is a free cross-platform audio editor and recorder for Windows, Mac OS X, GNU/Linux and other operating systems.  ...  CCTM advocates for the design of instruction using pictures, videos, audios and words that tap into the prior experiences of the learner, promote active learning, collaboration, personal autonomy, personal  ...  Acknowledgements The author thanks graduate students whose work are mentioned and displayed in this paper.  ... 
doi:10.4236/ce.2013.49088 fatcat:inyw2s4u5zg5xlawhruh5eyxnq

Research of Vehicle Type Recognition System Based on Audio Video Interleaved Flow for Toll Station

Wei Zhan, Zhi-Qing Luo
2012 Journal of Software  
Experiment on actual AVI files shows: the system design is simple and effective.  ...  With technology of digital image recognition, the data frames include vehicle's digital image can be detected automatically from an Audio Video Interleaved (AVI) File, and vehicle type will be recognized  ...  OVERALL SYSTEM DESIGN A Design Goal In this system, the passing cars are including Audio Video Interleaved (AVI) files captured by video capture card and camera in a certain toll station, based on AVI  ... 
doi:10.4304/jsw.7.4.741-744 fatcat:t6wwsjsugjeb5caughf4rxsahu

Design And Experiment Of An Embedded Multi-Function Wireless Sensor For Multi-Service Agricultural Information Acquisition

K Xiao, Z Du, L Yang
2017 Zenodo  
in form of text, audio, image and video.  ...  Multi-service agricultural information has several data forms including text, audio, image and video.  ...  ) and Natural Science Foundation of Guangdong Province, China (No.2016A030313389).  ... 
doi:10.5281/zenodo.891517 fatcat:dhh6wkzcrzdwthdtvllwl6h554

Page 422 of SMPTE Motion Imaging Journal Vol. 106, Issue 6 [page]

1997 SMPTE Motion Imaging Journal  
A background in sound reinforcement, video/audio post production, film sound, or designing ADA compliant assisted-listening systems and video captioning systems is highly desirable.  ...  Currently we have an outstanding opportunity for a professional with 8-15 years of experience in Sound System Engineering and Video System design.  ... 

Page 762 of SMPTE Motion Imaging Journal Vol. 105, Issue 12 [page]

1996 SMPTE Motion Imaging Journal  
Extension of RIFF format for files > 2 Gbytes. capture, store, and play back digitized audio samples.  ...  The file format for such stor- age must be designed to allow real- time storage, retrieval, and playback.  ... 

Audio-Visual Collection Preservation at the NARA

Christina Kovac, Jason Love
2015 Against the Grain  
The design and operation of these systems allow the Video Lab to create a higher-quality end product and greater throughput to meet NARA's digitization goals.  ...  Similarly to audio media, Video Preservation Specialists spend much time prepping, cleaning, and repairing video media for safe and transparent playback for digital capture.  ...  professional recording and sound reinforcement systems, facility design and implementation, audio-video preservation and digitization, and participation on technical standard committees, and he is a member  ... 
doi:10.7771/2380-176x.7129 fatcat:7sd2yj4jfncd7kq2mxa3p2kpy4

Audio Visual Collection at the National Archives and Records Administration

Fanella G. France, Jason Love
2015 Against the Grain  
The audio collection contains formats ranging from wax cylinders to digital audio tape (DAT), and the video collections has formats ranging from 2" Quad to HD CAM SR.  ...  For the most part, all of motion picture, audio, and video records were created by the Executive Branch of the Federal Government including all branches of the military and notable agencies such as the  ...  professional recording and sound reinforcement systems, facility design and implementation, audio-video preservation and digitization, and participation on technical standard committees, and he is a member  ... 
doi:10.7771/2380-176x.7125 fatcat:ra2dpgy35zbozhqgbj2wpjapze

Page 1194 of SMPTE Motion Imaging Journal Vol. 102, Issue 12 [page]

1993 SMPTE Motion Imaging Journal  
in Full-Motion Video/Audio for Personal Computers, Kroeker, Jan., 24 The Design Challenges of Full-Motion Video for PC-Compatible Computer Systems, Hodgson, Mar., 207 Production/Post-Production Digital  ...  Avoiding the Pitfalls in Serial Digital Signal Distribution, Ward, Jan., 14 Design Considerations For Serial Digital Television Systems, Reynolds, Dec., 1120 Digital Audio Synchronization in a Mixed- Media  ... 

Improved High Definition Multimedia Interface Authentication Mechanism

R. N. Iyare, S. D. Walker
2014 Journal of Computer and Communications  
Encryption and decryption of audio/video files were implemented in both Data Encryption Standard (DES) and Advanced Encryption Standard (AES) algorithms by means of Python Cryptography Toolkit (Pycrypto  ...  Currently, High-bandwidth Digital Content Protection (HDCP) provides the confidentiality and licensing of digital content for High Digital Multimedia Interface (HDMI).  ...  Norbert Volker for his technical advice while preparing the manuscript.  ... 
doi:10.4236/jcc.2014.212003 fatcat:vgk3fu4swjctfjngtpfxdsfq7y

A Novel DRM Security Scheme and its Prototype System Implementation

Lili Zhang, Zhiyong Zhang, Danmei Niu, Tao Huang
2011 International Journal of Digital Content Technology and its Applications  
Finally, against the offline usage control of the audio and video content in user terminal, we design a system framework mainly comprising the encryption and decryption of digital content, generation and  ...  A DRM system scheme based on PKI is proposed and designed in this paper, which can achieve effective user authentication, secure distribution of digital content and usage rights control.  ...  Program carries on this module before the audio and video file is read into the stream separator.  ... 
doi:10.4156/jdcta.vol5.issue11.42 fatcat:3mfkh6tmgvhz7a7ospwpxxsw6a

Page 224 of SMPTE Motion Imaging Journal Vol. 103, Issue 4 [page]

1994 SMPTE Motion Imaging Journal  
The company’s D5000 digital stor- age and retrieval system (DSR) pro- vides the capability to encode video and audio into a MPEG format, store the video as a data file on digital storage media (such as  ...  The third, Digital Interface Handbook, is a comprehensive man- ual of users and designers of digital audio, video, and music equipment.  ... 

Existing Trends of Digital Watermarking and its Significant Impact on Multimedia Streaming: A Survey

R. Radha Kumari, V. Vijaya, K.Rama Naidu
2019 International Journal of Advanced Computer Science and Applications  
Nowadays digital media has reached the general level of resource sharing system and become a convenient way for sharing lots of information among various individuals.  ...  In recent years, digital watermarking technology has received extensive attention from users and researchers for content protection and digital data authentication.  ...  In the initial step, a sample testifying video file is divided into video and audio frames, and watermarks are responsible for extracting the audio and video frames separately by watermark extraction.  ... 
doi:10.14569/ijacsa.2019.0100217 fatcat:kxl4t3tubzbvtmnsuip3xhkel4

Page 516 of SMPTE Motion Imaging Journal Vol. 106, Issue 8 [page]

1997 SMPTE Motion Imaging Journal  
MEDIA POOL — FLEXIBLE VIDEO SERVER DESIGN FOR TELEVISION BROADCASTING bandwidth into smaller units for distrib- ution to many I/Os.  ...  __ Audio / Video Channel Audio / Video Channel ' Data Transport Commutator Storage Array Media Poot __ the next block of video file 1 from array 2 and I/O 2 reads the next block of video file 2 from array  ... 
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