Audio and Video Codecs
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Recent papers in Audio and Video Codecs
If you’ve ever wondered how to properly configure your Xbox 360 for HDMI output, this is the guide for you.
Last updated 24 September 2015.
Last updated 24 September 2015.
A compressão de dados é um dos factores que mais contribuiu para o grande crescimento das tecnologias da informação e da comunicação. Sem compressão, a maioria dos produtos tecnológicos de consumo e entretenimento, que são hoje banais,... more
The International Journal of Computer Networks & Communications (IJCNC) is a bi monthly open access peer-reviewed journal that publishes articles which contribute new results in all areas of Computer Networks & Communications.The journal... more
En este articulo se describen los conceptos básicos de la codificación de los archivos de vídeo y los distintos formatos y códecs que se utilizan para cine y televisión.
Migration from IPv4 to IPv6 is still visibly slow, mainly because of the inherent cost involved in the implementation, hardware and software acquisition. However, there are many values IPv6 can bring to the IP enabled environment as... more
Recordings for acoustic research should ideally be made in a lossless format. However, in some cases pre-existing data may be available in a lossy format such as mp3, prompting the question in how far this compromises the accuracy of... more
The file size and picture quality are factors to be considered for streaming, storage and transmitting videos over networks. This work compares Cinepak, Intel, Microsoft Video and Indeo Codec for video compression. The peak signal to... more
The file size and picture quality are factors to be considered for streaming, storage and transmitting videos over networks. This work compares Cinepak, Intel, Microsoft Video and Indeo Codec for video compression. The peak signal to... more
Conference control has been studied for years but most researches focus on homogenous A/V collaboration. There is no conference control framework for integration of multiple videoconferencing systems such as H.323, SIP and AccessGrid. In... more
Este artigo contém informações e conhecimentos da tecnologia Voz sobre IP. Com ênfase na codificação do sinal de voz, no estudo dos parâmetros de QoS abordando os Serviços Diferenciados (DiffServ), e os tipos de Redes de Comutação.... more
In order to fit the small cross-center-biased characteristic of the real world video sequences, an improved version of the well-known cross diamond search algorithm is proposed in this paper. The new algorithm uses a small cross-shaped... more
Voice over Internet Protocol (VoIP) may provide good services through Vehicular ad hoc networks (VANETs) platform by providing services to many application scenarios range from safety to comfort. However, VANETs networks introduce many... more
In digital forensics, recovery of a damaged or altered video file plays a crucial role in searching for evidences to resolve a criminal case. This paper presents a frame-based recovery technique of a corrupted video file using the... more
Esse artigo analisa o modo como a tensão entre os mecanismos que promovem a circulação do filme e os parâmetros midiáticos de sua identidade é articulada por meio de uma dupla codificação, simultaneamente algorítmica e jurídica. Para... more
In the last decade mobile phones have been evolved rapidly . Previously the main objective of these devices is a voice call , nowadays they provide increasingly powerful services such as (Web browsing, Playback Video, Gaming, SMS text... more
Esse artigo analisa o modo como a tensão entre os mecanismos que promovem a circulação do filme e os parâmetros midiáticos de sua identidade é articulada por meio de uma dupla codificação, simultaneamente algorítmica e jurídica. Para... more