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MPEG-2 audio coding standard

An Overview of the Coding Standard MPEG-4 Audio Amendments 1 and 2: HE-AAC, SSC, and HE-AAC v2

An Overview of the Coding Standard MPEG-4 Audio Amendments 1 and 2: HE-AAC, SSC, and HE-AAC v2

... may not, hence requiring better reception conditions in order to allow decoding. Examples of these kinds of scalable systems using SBR include Digital Radio Mondiale (DRM). The use of SBR as an additional bandwidth ...

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Mobile Diary & Data Management

Mobile Diary & Data Management

... Advanced Audio Coding (AAC) is a standard- ized, loss compression and encoding scheme for digital ...the MPEG- 2 and MPEG-4 specifications [13] ...Advanced Audio ...

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MPEG-1 Layer III Standard: A Simplified Theoretical Review

MPEG-1 Layer III Standard: A Simplified Theoretical Review

... a standard with three different parts: Audio, video and system ...transmit audio and video signals on a single distribution media ...and audio was possible to transmit (1-2 Mbit/s) ...

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Implementation of AAC Encoder for Audio Broadcasting

Implementation of AAC Encoder for Audio Broadcasting

... popular audio coding standard. But now, a new higher quality audio coding standard Advanced Audio Coding (AAC) is proposed and widely ...digital audio ...

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A secure 2 layer lsb based audio steganography using huffman coding

A secure 2 layer lsb based audio steganography using huffman coding

... domain audio steganography methods are the ones in which various transform domains such as Fast Fourier Transform (FFT), Discrete Cosine Transform (DCT), and Discrete Wavelet Transform (DWT) are used to embed the ...

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Continuous Metadata

Continuous Metadata

... (i.e. audio and video) cannot buffered for any significant time as it would introduce unacceptably high latency in the ...and audio due to the overhead of it being captured and ...dominant standard ...

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Turbo Detected Unequal Protection MPEG 4 Audio Transceiver Using Convolutional Codes, Trellis Coded Modulation and Space Time Trellis Coding

Turbo Detected Unequal Protection MPEG 4 Audio Transceiver Using Convolutional Codes, Trellis Coded Modulation and Space Time Trellis Coding

... an MPEG-4 aided audio ...Trellis Coding (STTC), Trellis Coded Modulation (TCM) and two different-rate Non-Systematic Convolutional codes (NSCs) used for unequal error ...the MPEG-4 ...

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A Space Time Coded OFDM Based MPEG 4 Audio Transceiver

A Space Time Coded OFDM Based MPEG 4 Audio Transceiver

... In Figure 2, we show the instantaneous channel SNR experienced by the 512-subcarrier OFDM modem for a onetransmitter, one-receiver scheme and for the space time block code G2 [6] using t[r] ...

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A Novel Data Embedding Technique for Hiding Text in Video File using Steganography

A Novel Data Embedding Technique for Hiding Text in Video File using Steganography

... To retrieve the hidden message from Stego’d video file, decoding is done on the video file. Here the Stego’d video file is given as input [2]. In the video file to find the starting point of the data, the video ...

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Technology for Hiding Information using Steganography in Smartphones

Technology for Hiding Information using Steganography in Smartphones

... 2) Linguistic (or Text) Steganography: It exploits various aspects of the written word, hence the carrier is the syntactic and/or the semantic structure of the text. The most popular techniques used are: ...

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Anthropomorphic Coding of Speech and Audio: A Model Inversion Approach

Anthropomorphic Coding of Speech and Audio: A Model Inversion Approach

... and audio coding using an invertible auditory ...the audio signal is converted into an auditory representation using an invertible auditory ...

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An Adaptive Video Coding Control Scheme for Real Time MPEG Applications

An Adaptive Video Coding Control Scheme for Real Time MPEG Applications

... prediction coding to reduce the temporal redundancy until the accumulated error becomes too large or a scene change is ...frame coding and the coding per- formance thus degrades ...

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Overview of the MPEG 7 Standard and of Future Challenges for Visual Information Analysis

Overview of the MPEG 7 Standard and of Future Challenges for Visual Information Analysis

... the MPEG-7 standard is to allow interoperable searching, indexing, filtering, and access of audio-visual (AV) content by enabling interoperability among devices and ap- plications that deal with AV ...

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An Experimental analysis of the MPEG compression standard with respect to processing requirements, compression ratio, and image quality

An Experimental analysis of the MPEG compression standard with respect to processing requirements, compression ratio, and image quality

... List of Figures Figure 1 MPEG-1 bi-directional prediction 18 Figure 2 Macroblock 19 types in MPEG- 1 Figure 3 Group of pictures in MPEG-1 20 Figure 4 Block Diagram of the MPEG-1 encoder [r] ...

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Medical Image Compression using Improved EZW and New Lifting Based Wavelets

Medical Image Compression using Improved EZW and New Lifting Based Wavelets

... The paper presents the modified EZW and applied on existing and new lifting based wavelets. The wavelet decomposition transforms the image raw data to a structured manner by dividing into a number of subbands. The ...

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A steganography method based on hiding secrete data in Mpeg/audio layer III

A steganography method based on hiding secrete data in Mpeg/audio layer III

... for Audio Based on Prediction Error Expansion”, CKC Software Laboratory, University of Ningbo, Ningbo 315211, China, International Conference on Intelligent Information Hiding and Multimedia Signal Processing, ...

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Audio Visual Speech Recognition Using MPEG 4 Compliant Visual Features

Audio Visual Speech Recognition Using MPEG 4 Compliant Visual Features

... the audio- visual ASR systems we developed, utilizing FAPs for the vi- sual representation of ...the audio-visual in- formation integration, in order to improve speech recogni- tion performance over a wide ...

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Parametric Coding of Stereo Audio

Parametric Coding of Stereo Audio

... nel audio relates to cross-channel perceptual ...above 2 kHz), the human auditory system is not sensitive to fine-structure phase di ff erences between the left and right signals in a stereo recording [11, ...

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A light weight concept ontology for annotating digital music

A light weight concept ontology for annotating digital music

... Location of implanting semantics with the information content may be either applied during categorization/annotation or during searching the content as shown in figure 2.2. First view follows the idea of embedding ...

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Harmonic Enhancement in Low Bitrate Audio Coding Using an Efficient Long-Term Predictor

Harmonic Enhancement in Low Bitrate Audio Coding Using an Efficient Long-Term Predictor

... the audio codec uses the MDCT, it is not possible to obtain a perfectly reconstructed signal without introducing one frame delay to keep the time domain aliasing cancelation (TDAC) characteristic ...

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