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DSPcComparing with Analogs
Library of digital devices of signal processing for HLCCAD

Table 1
Comparison Digital Signal Processing (DSP) tools for built-in systems
Product nameYearCompany a manufacturerQuality factor
DSP Lib2001New IT Labs48
Sound Forge4.51999Sonic Foundry Inc48
DSP BlockSet+Simulink+Matlab2000MathWorks45
Wave Lab 2.01998Steinberg43
Cool Edit Pro 1.11997Syntrillium42
DspWorks1997Momentum Data Systems30
Gold Wave 3.241997Chris S.Craig27
Spectra Plus 2.32.021998Sound Technology27

Table 2
Interpret quality factor
Component criterionDSP LibSound ForgeCool EditWave LabGold WaveDsp WorksMatlabSpec Plus
Year20011999199719981997199820001997
Displaying of signals16118128684
Sound IN/Out59999526
Filtering511131010590
Sound generation00000000
Fourier transformation565407107
Viewing spectrum171178071610
Quality factor4848424327304527

Table 3
Comparison signal displaying features
FeatureDSP LibSound ForgeCool EditWave LabGold WaveDsp WorksMatlabSpec Plus
Editing 1111   
Zooming for axis OT, OY22221111
Scrolling for axis OT, OY22222111
Block selection 1111 1 
Changing division quantity on axises21111   
Axis division options (sample,time)12 2    
Autozooming on OY axis1    1  
The simultaneous view of several signals1     1 
Change of a notation2       
Different representations of signals2       
Print Signal     111
Plugins 1 1  1 
Signal transforms2   112 
Clipboard 11111 1
Localization (different languages)10 1    
Total16118128684

Table 4
Input/Output sound
FeatureDSP LibSound ForgeCool EditWave LabGold WaveDsp WorksMatlabSpec Plus
Formats13333211
Compression 11 1  1
Number of bit111211?1
Sound frequency222221?1
Microphone recording 1111  1
Stereo11111111
Total59999526

Table 5
Sound filtering features
FeatureDSP LibSound ForgeCool EditWave LabGold WaveDsp WorksMatlabSpec Plus
Filters types2111113 
Filtering modes2232322 
Graphic ”—•, €—• 111    
Vector ”—•, €—•1   111 
EQ (Equalizer) 2221 1 
Fine tuning of parameters in EQ 1221   
Œ­ŽŁŽŻŽŤŽá­Žáâě EQ 22 1 1 
Presets (base filtes) 222211 
Total511131010590

Table 6
Comparison of signal generation
FeatureDSP LibSound ForgeCool EditWave LabGold WaveDsp WorksMatlabSpec Plus

Table 7
Fourier transformation
FeatureDSP LibSound ForgeCool EditWave LabGold WaveDsp WorksMatlabSpec Plus
FFT Block size1221 232
Windows111? 222
Slices displayed3211 131
Logarithmic scale 111 111
Frequency, amplitude mode   1 111
Total565407107

Table 8
Tools for viewing signal spectrum
FreatureDSP LibSound ForgeCool EditWave LabGold WaveDsp WorksMatlabSpec Plus
Freq min3222 132
Freq max3222 132
dB Ceiling3211 131
dB Floor3211 131
FFT table     111
Viewing modes2311 233
Using Mouse2       
Localization1  1    
Total171178071610



SEE ALSO
DSPc Overview
DSPc In The Future Release
Articles and Press-releases
DSPc Developers Team
DSPc Download Area
More About DSPc


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