MPEG-2 audio codec
Power Reduction in H.264 /Audio Video Codec: A Survey
... it MPEG-4 Part 10/AVC since it is presented as a new part in its MPEG-4 ...The MPEG-4 suite includes, for example, MPEG- 4 Part 2, which is a standard that has been used by IP-based ...
7
Multimedia Compression Techniques for Streaming
... as MPEG-2, WMV finish compression at a faster pace than the modern ...modern codec, its compression ratios are way better than WMV and ...In audio, while Vorbis, AAC dominated when it came to ...
6
An Overview of the Coding Standard MPEG-4 Audio Amendments 1 and 2: HE-AAC, SSC, and HE-AAC v2
... the MPEG context, where it is standardized for use together with AAC, forming the (High Efficiency) HE AAC ...core codec agnostic, and SBR has successfully been applied to other codecs such as MPEG ...
21
Multichannel Coding of Applause Signals
... evaluating audio coders and were specifically instructed to evaluate both the spatial audio quality as well as any other noticeable ...and audio was played with an RME Digi 96/24 sound card us- ing ...
9
Harmonic Enhancement in Low Bitrate Audio Coding Using an Efficient Long-Term Predictor
... This paper proposes a new long-term prediction struc- ture that can be integrated into transform-based audio cod- ing algorithms. The harmonic components of input signal are first reduced by a deharmonizing ...
9
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 ...
15
A steganography method based on hiding secrete data in Mpeg/audio layer III
... in audio becomes a challenging discipline, since the Human Auditory System (HAS) is highly ...in audio is to develop a system which has the quality to include a big amount of data and without affectively ...
5
Continuous Metadata
... real-time audio and video, and often (incorrectly) implies a non-stop flow of relatively high bandwidth ...and MPEG-7 there is no reason why the metadata carried by the framework could not be encoded using ...
6
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] ...
5
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 ...
6
Performance evaluation of voice over IP using multiple audio codec schemes
... quality audio over the network system it is necessary to keep the losses at ...best audio quality (ITU-T ...experience audio anomaly like echo, stuttering and ...G.711 codec transmission must ...
7
MAP based Audio Coding Compensation for Speaker Recognition
... MAP-based audio coding compensation for speaker rec- ognition, which is a model adaptation ...standard codec as a reference and trains the speaker models in this codec format, then learns the ...
5
MPEG-2 Compressed-Domain Algorithms for Video Analysis
... The DCT coe ffi cients of I-frames and intracoded mac- roblocks of P-frames can be used directly from the MPEG- 2 compressed-domain data after extraction. For non-intra- coded macroblocks, only the motion ...
11
GiLBCSteg: VoIP Steganography Utilizing the Internet Low Bit Rate Codec
... 30 ms frames are divided into 240 audio samples which are organized into 6 sub-blocks/frames of 40 samples. iLBC processes each block without looking at the next block, so that if some packets are dropped on a ...
6
FPGA Design of Speech Compression by Using Discrete Wavelet Transform
... First, PC plays speech signal. At the same time, FPGA ADC controller starts sampling the ADCDAT signal sent from the WM8731 codec, and stores each left channel sample into the SDRAM chip. This design work ...
6
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] ...
225
Technology for Hiding Information using Steganography in Smartphones
... Definitions And Goals:Steganography means invisible communication.The technique is hiding information in other information, thus hiding the information that is to be communicated. The word steganography is derived from ...
7
Design of Digital Audio Broadcasting (DAB) and DAB+ Adaptive Channel Decoder with Clock Gating Technique
... DAB+ is the upgraded version of digital audio broadcasting (DAB). DAB and DAB+ coexist in many countries, so receivers are required to be compatible with both standards. DAB+ aims to achieve higher spectrum ...
5
Intelligibility vs comprehension : understanding quality of accessible next generation audio broadcast
... Early Object-based approaches Dialogue Enhancement based on Spatial Audio Coding [11].. "MPEG-D spatial audio object coding for dialogue enhancement SAOC-DE." Audio Engineering Society C[r] ...
38
Comparative Analysis of Encrypted Video Streaming in Cloud Network
... Naïve approach used to encrypt multimedia streams entirely using encryption standard methods in many cases. Is generally suitable for text, simple approach is transmission bit rate of the video file small audio, ...
7