第01章一个介绍各种语音分析软件的PPT speech_analysis.pptVIP

Speech analysis tools Jean-Philippe Goldman 03.03.2004 Two questions What kind of data ? Which task ? What kind of data ? Speech content (noise, multivoice,…) Data File Sound/Transcription/PitchCurve Sampling/Quantization 16k 12k 8k 4k 8bit Size 16k16bit,256kbps ? 1.9Mo/mn ? 115Mo/h Format Sound: wav, wma, mp3, ogg, aiff, aifc, au, vox, raw, sd, CSL, Ogg/Vorbis, NIST/Sphere Transcription: HTK, TIMIT, TextGrid, Phondat Number of files Which task ? Visualization and Edition: Record, Play, edit, mix, add effects Analysis: spectral, pitch Speech manipulation: Filtering, mixing, adding effects, prosodic manipulation Annotation: segmentation, labeling Scripting: Batch, communication with outside Plotting Examples of tasks build stimuli for an experiment (i.e. cross-splicing) manage a speech database for a TTS engine create a prosodic database analyze speech corpus from experiment recordings verify/correct an automatic segmentation Two questions What kind of data ? Which task ? Tool features Visualization/Edition Analysis Speech manipulation Annotation Scripting Plotting Supported format Platform/installation Evolution/community Accessibility Price Softwares Goldwave (audio editor) Esps Xwaves (routines + visual.) Praat (speech analysis) Wavesurfer (speech editor) Transcriber (annotation tool) Matlab (general purpose soft) OGI speech tools (routines + app. dev.) …winpitch, pitchworks, phonedit, cooledit….. Goldwave self-defined as “top rated, professional digital audio editor” Goldwave pros : edition (good gestion of memory for big files), many FX, noise reduction, real-time spectrum and VU meters, various formats, batch conversion, chain effects, easy interface cons: nothing for speech (pitch, formant), windows only, no scripting Good for file edition not for speech Esps - Waves Developed by Entropic + ATT. Now public Comp.speech FAQ says: Esps: comprehensive set of speech analysis/processing tools Waves is a graphical front-end for speech pr