audio and visual broadcasts and recordings

... the environment around them, especially humans Audio and visual perceptions are the first requirement of this operation In this thesis, audio and visual perceptions for mobile robots are investigated ... research, audio and visual perception for mobile robots are investigated, which include passive sound localization mainly using acoustic sensors, and robust human detection using multiple visual ... objects when searching, etc Human beings and animals take these capabilities of audio and visual perceptions for granted Machines, however, have no such capability and training them becomes a great...

Ngày tải lên: 11/09/2015, 14:34

... introduction and standardization of new, perception based, audio (speech and music) codecs, [ISO92st, 1993], [ISO94st, 1994], [ETSIstdR06, 1992], [CCIT- APPLICATIONS OF DSP TO AUDIO AND ACOUSTICS ... DSP TO AUDIO AND ACOUSTICS Instead of transmitting the left and right signal, the normalized sum and difference signals are handled (see Figure 2.14) They are referred to as the middle (M) and the ... processing for radar, speech, and hearing applications (SIGNATRON, Inc.), and loudspeaker design and signal processing for audio applications (Acoustic Research and CBS Laboratories) He has over...

Ngày tải lên: 22/03/2014, 23:20

... sound and motion That’s understandable: You, too, want to trick out your pages with audio and video But before you can jazz up your site, you need to understand a few basics Linking, Embedding, and ... to create a website with a lot of digital audio and video, you’ll need to consider its space and bandwidth requirements Unlike ordinary XHTML pages and web graphics, multimedia files can grow ... used for web page background music (MIDI stands for Musical Instrument Digital Interface.) ▪ Digital audio (WAV and MP3) These file types store recorded audio, which means they’re of higher quality...

Ngày tải lên: 23/03/2014, 01:20

... Designer’s Handbook, (Chapter 14 Fidelity and Distortion) Illiffe (1954) Parkin, P.H and Humphries, H.R., Acoustics, Noise and Buildings Faber and Faber, London (1971) Rumsey, F and McCormick, ... and are being employed more and more for stage and televisions shows, and other applications where complete freedom of movement is demanded The radio microphone itself is usually very small and ... majority of the recordings or broadcasts originate from have become correspondingly more critical and important No longer can recordings be made in substandard environments Control rooms and studios...

Ngày tải lên: 18/04/2014, 12:28

... LAT SC TC Audio Fundamental Frequency Audio Harmonicity Audio Power Audio Spectrum Basis Audio Spectrum Centroid Audio Spectrum Envelope Audio Spectrum Flatness Audio Spectrum Projection Audio Spectrum ... Release Audio Fundamental Frequency Audio Harmonicity Audio Power Auditory Scene Analysis Audio Spectrum Basis Audio Spectrum Centroid Audio Spectrum Envelope Audio Spectrum Flatness Audio Spectrum ... answering machines and telephone enquiries using speech or word recognition Various new and advanced audiovisual applications and services become possible based on audio content analysis and description...

Ngày tải lên: 27/05/2014, 03:59

... 128 kbits/s Audio MP3(MPEG-1 layer III) 96 kbits/s Audio Windows Media Audio 64 kbits/s Audio VQF 80 kbits/s Audio MP3PRO 64 kbits/s Audio OGG Vorbis 96 kbits/s Audio WAV 10 Mbits/m Audio Medical.Applications.of.Signal.Processing ... introductory chapter provides an introduction to speech and audio signal analysis and synthesis, audio and speech coding, noise and echo canceling, and recently proposed signal processing methods to ... enhancement, speech and speaker recognition, adaptive filters, active noise canceling, echo canceling, audio quality evaluation, audio and speech watermarking, digital filters for audio effects, and speech...

Ngày tải lên: 01/06/2014, 01:20

... using both Bluetooth and RS232 serial ports In order to allow realtime interaction and coordination among users, caregivers and medical staff, both audio and video transmission and recording require ... G711, G722, and G728 are audio codec standards usable in the H.323 framework In the described application, G.723.1 was the selected audio algorithm Note H225 is the multiplexer standard for the ... (WMMX for the Handheld and MMX for Tablet-PC) in order to improve software performance and to decrease power consumption [21] The audio coding implementation together with the audio/ video synchronization...

Ngày tải lên: 22/06/2014, 19:20

... Release Audio Fundamental Frequency Audio Harmonicity Audio Power Auditory Scene Analysis Audio Spectrum Basis Audio Spectrum Centroid Audio Spectrum Envelope Audio Spectrum Flatness Audio Spectrum ... answering machines and telephone enquiries using speech or word recognition Various new and advanced audiovisual applications and services become possible based on audio content analysis and description ... Harmonicity Audio Power Audio Spectrum Basis Audio Spectrum Centroid Audio Spectrum Envelope Audio Spectrum Flatness Audio Spectrum Projection Audio Spectrum Spread Audio Waveform Harmonic Spectral Centroid...

Ngày tải lên: 27/06/2014, 14:20

... Channel Audio Source Separation 91 Bin Gao and W.L Woo Chapter Unsupervised and Neural Hybrid Techniques for Audio Signal Classification 117 Andrés Ortiz, Lorenzo J Tardón, Ana M Barbancho and Isabel ... medical signal processing and several data mining issues This book presents theories and applications of ICA related to Audio and Biomedical signal processing applications and include invaluable ... to graduate and postgraduate students, engineers and scientists - in the field of signal processing and biomedical engineering This book can also be used as handbook for students and professionals...

Ngày tải lên: 29/06/2014, 13:20

... 22 Audio Audio analysis 2, 59, 65 Audio and video retrieval Audio attribute 164 Audio broadcast Audio class 77, 258 Audio classification 50, 66, 71, 74 Audio classifier 32 Audio content 259 Audio ... and T Sikora 272 Audio harmonicity (AH) descriptor 33 Audio indexing 84 Audio- on-demand Audio power (AP) 24 Audio power descriptor Audio segmentation 52, 127 Audio signal 51 Audio signature Audio ... 208 Audio waveform 23, 50 Audio waveform (AWF) audio power (AP) 13 Audio waveform (AWF) descriptor 5, 23 AudioBPM 192 AudioSegment 50, 220 AudioSegment description 14 AudioSignalQuality 220 AudioSignature...

Ngày tải lên: 09/08/2014, 18:22

... LAT SC TC Audio Fundamental Frequency Audio Harmonicity Audio Power Audio Spectrum Basis Audio Spectrum Centroid Audio Spectrum Envelope Audio Spectrum Flatness Audio Spectrum Projection Audio Spectrum ... Release Audio Fundamental Frequency Audio Harmonicity Audio Power Auditory Scene Analysis Audio Spectrum Basis Audio Spectrum Centroid Audio Spectrum Envelope Audio Spectrum Flatness Audio Spectrum ... answering machines and telephone enquiries using speech or word recognition Various new and advanced audiovisual applications and services become possible based on audio content analysis and description...

Ngày tải lên: 09/08/2014, 18:22

... Basic descriptors: audio waveform (AWF), audio power (AP) • Basic spectral descriptors: audio spectrum envelope (ASE), audio spectrum centroid (ASC), audio spectrum spread (ASS), audio spectrum flatness ... extracted from 34 frequency bands and consists of 32 within-band coefficients between loEdge = 250 Hz and hiEdge = 16 kHz (i.e a 1/4-octave resolution) and two out-of-band coefficients ASE vectors ... b ≤ B − 1) and (0 ≤ b ≤ B − 1), where B is the size of vector Raw(l), and b and b are indexes of vector dimensions Raw(l b) and Mean(i b) are the bth coefficients of vectors Raw(l) and Mean(i)...

Ngày tải lên: 09/08/2014, 18:22

... Classification of Audio Signals”, IEEE Transactions on Speech and Audio Processing, vol 10, no 5, pp 293–302 Wang Y., Liu Z and Huang J.-C (2000) “Multimedia Content Analysis Using Both Audio and Visual ... H.-J and Jiang H (2002) “Content Analysis for Audio Classification and Segmentation”, IEEE Transactions on Speech and Audio Processing, vol 10, no 7, pp 504–516 Manjunath B S., Salembier P and ... Denmark, September Gold B and Morgan N (1999) Speech and Audio Signal Processing: Processing and Perception of Speech and Music, John Wiley & Sons, Inc., New York Grey J M and Gordon J W (1978) “Perceptual...

Ngày tải lên: 09/08/2014, 18:22

... and kHz, 23 logarithmic bands between kHz and kHz) The 3-D plots and the spectrogram image of subband energy outputs for MFCC and MPEG-7 ASP are shown in Figure 3.8 and Figure 3.9, respectively ... frequency band from 62.5 Hz to kHz Since this spectrum contains octaves, each subband spans a quarter of an octave MFCCs are calculated from 40 subbands (17 linear bands between 62.5 Hz and kHz, ... program for on-line audio classification The audio recordings are classified and segmented into basic types, such as speech, music, several types of environmental sounds, and silence For the...

Ngày tải lên: 09/08/2014, 18:22

... considering q t and d t as Boolean variables (with a Boolean weighting scheme) and combining q and d as in Equation (4.12) with addition and multiplication operators representing the logical AND and OR ... Documents are speech recordings, either individually recorded or resulting from the segmentation of the audio streams of larger audiovisual (AV) 4.4 APPLICATION: SPOKEN DOCUMENT RETRIEVAL Audio Segmentation ... need to be regularly updated and increased to handle these new words It is then a difficult practical problem to determine when, how and what new words need to be added and whether the entire message...

Ngày tải lên: 09/08/2014, 18:23

... messages, radio broadcasts and TV broadcasts) , the development of automatic methods to index and retrieve spoken documents will become even more important in the future In that context, the standardization ... indexing and retrieval systems 4.5.1 MPEG-7 Interoperability It is not possible to standardize the ASR process itself, due to the huge variety and complexity of existing ASR technologies, and to ... parallel links, starting and ending at the same start and end nodes The n-best transcriptions may be stored in parallel single paths, starting and ending at the start and end nodes of the global...

Ngày tải lên: 09/08/2014, 18:23

... alphabet”, in Handbook of Standards and Resources for Spoken Language Systems, D Gibbon, R Moore and R Winski (eds), Mouton de Gruyter, Berlin and New York Wilpon J G., Rabiner L R and Lee C.-H ... (Wikipedia, 2001), and provides a searchable, editable and expandable collection of tunes, melodies and musical themes It uses the QBH system Melodyhound by (Prechelt and Typke, 2001) and provides ... described with words like “warm” or MPEG-7 Audio and Beyond: Audio Content Indexing and Retrieval © 2005 John Wiley & Sons, Ltd H.-G Kim, N Moreau and T Sikora 172 MUSIC DESCRIPTION TOOLS “harsh”...

Ngày tải lên: 09/08/2014, 18:23

... context MPEG-7 Audio and Beyond: Audio Content Indexing and Retrieval © 2005 John Wiley & Sons, Ltd H.-G Kim, N Moreau and T Sikora 208 FINGERPRINTING AND AUDIO SIGNAL QUALITY Audio fingerprinting ... NCH for the whole audio segment 226 FINGERPRINTING AND AUDIO SIGNAL QUALITY 6.3.9 Bandwidth Bandwidth describes the upper limit of the signal’s bandwidth for each channel The Bandwidth features ... positive, and consequently the lower the reliability of the system 6.2.4 MPEG-7-Standardized AudioSignature The MPEG-7 audio standard provides a generic framework for the descriptive annotation of audio...

Ngày tải lên: 09/08/2014, 18:23

... Beyond: Audio Content Indexing and Retrieval © 2005 John Wiley & Sons, Ltd H.-G Kim, N Moreau and T Sikora 232 APPLICATION Signal Audio and Video Signal Audio Signal Video Capture Device Audio ... provide excellent understanding of scene content More sophisticated visual processing can be saved In this chapter we focus on indexing audiovisual information based on audio feature analysis The ... with audio content analysis, with the goal to achieve audio segmentation and classification A hierarchical audio classification system, which consists of three stages, is shown in Figure 7.2 Audio...

Ngày tải lên: 09/08/2014, 18:23

... Standard Handbook of Audio and Radio Engineering Chapter 1.3 Resonance Floyd E Toole E A G Shaw, G A Daigle, M R Stinson 1.3.1 Introduction A vibrating system of any kind that is driven by and ... Zwislocki, J J.: “Masking—Experimental and Theoretical Aspects of Simultaneous, For-ward, Backward and Central Masking,” in E C Carterette and M P Friedman (eds.), Handbook of Perception, vol 4, Hearing, ... reserved Any use is subject to the Terms of Use as given at the website Source: Standard Handbook of Audio and Radio Engineering Chapter 1.1 The Physical Nature of Sound Floyd E Toole E A G...

Ngày tải lên: 26/10/2014, 14:32