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Anotace knihy

With the decline in military spending, the United States relies heavily on state side support. Communications has never been more important. High-quality audio and video capabilities are a must. Watermarking, traditionally used for copyright protection, is used in a new and exciting way. An efficient wavelet-based watermarking technique embeds audio information into a video signal. Several highly effective compression techniques are applied to compress the resulting audio/video signal in an embedded fashion. This wavelet-based compression algorithm incorporates bit plane coding, index coding, and Huffman coding. To demonstrate the potential of this audio embedding audio/video compression system, an audio signal is embedded into a video signal and the combined signal is compressed. Results show that overall compression rates of 15:1 can be achieved. The video signal is reconstructed with a median PSNR of nearly 33dB. Finally, the audio signal is extracted without error.

Parametry knihy

Zařazení knihy Knihy v angličtině Society & social sciences Education

• Plný název: Wavelet-Based Audio Embedding and Audio/Video Compression
• Autor: Michael J Mendenhall
• Jazyk: Angličtina
• Vazba: Brožovaná
• Počet stran: 128
• EAN: 9781288316069
• ISBN: 9781288316069
• ID: 08243236
• Nakladatelství: Biblioscholar
• Hmotnost: 240 g
• Rozměry: 246 × 189 × 7 mm
• Datum vydání: 01. November 2012

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