Sound Quality 介绍

1. Sound Quality 介绍 杭州锐达

2. Functionality Structure • Sound Quality is a module in RT Pro playback and it includes three sub-modules. • Sound Loading • Sound Edit • Sound Quality Analysis

3. Sound Loading • From File Sound data is loaded from files. The file format can be Dactron format, .wav files, other signal formats, or other audio formats. • From PC Sound Card Sound data is recorded from PC sound card. After recording, sound data is saved to temporary files so that user can edit or analysis them later.

4. Sound Edit • Time attenuation • Frequency attenuation • Real-time filter (high pass, low pass, band pass) • Peak limit • Frequency peak limit • Frequency shift • Harmonic frequency attenuation • Demodulation • Noise reduction

5. Sound Quality Analysis The software provides the objective analysis for both raw sound data or edited sound data. • 2-D Zwicker Loudness Spectrum • 3-D Zwicker Loudness Waterfall and Contour Display • Zwicker Loudness • Roughness • Sharpness • Fluctuation Strength

6. Sound View • Sound Play Include Play, Pause, Stop. • Channel Selections Include Left channel, Right channel or Binaural • Undo/Redo（Sound Edit） • Region Selections

7. CSoundTreeDlg CSoundSigView CSplitterSoundQualityFrame CSigView CSoundTreeCtrl

8. GUI

10. CSoundEdit

11. CSoundDataSetManager • CObList m_dataSetList • BOOL SetVpu(DWORD dwID) • CSoundDataSet* ImportSoundFile(LPCTSTR lpFile) • void AddDataSet(CSoundDataSet*)

12. CSigProDoc • CSoundDataSetManager *m_pSoundDataSetMgr; • enum SOUNDCHANNELTYPE m_euSoundChannelSelected;

13. CMainFrame • UINT GetSoundQualityChildFrameID(UINT nDataSet, UINT nFrameGroupID) { return nDataSet << 16 | nFrameGroupID; }