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PurePath™ Smart Amp User Manual (TAS5766M/68M)
3
A.2
Left and Right Drivers in the Same Box .................................................................................. 47
A.3
Parallel/Series Drivers in the Same Box (no analog crossover) .............................................. 48
A.4
Parallel Drivers in the Same Box (analog crossover) .............................................................. 49
Appendix B. Smart Amp End-System Implementation Checklist ..................................................... 50
Appendix C. MATLAB Compiler Runtime Troubleshooting .............................................................. 51
Revision History .................................................................................................................................... 52
Trademarks ............................................................................................................................................ 52
Figures
Figure 1.
PurePath™ Smart Amp Block Diagram ............................................................................ 5
Figure 2.
Smart Amp Development Overview .................................................................................. 7
Figure 3.
mySecureSoftware Page ................................................................................................... 9
Figure 4.
Verification of MATLAB Compiler Runtime Installation ............................................... 12
Figure 5.
Smart Amp Tuning Process ............................................................................................ 16
Figure 6.
Smart Amp Tuning Page .................................................................................................. 18
Figure 7.
Digital Gain Control .......................................................................................................... 26
Figure 8.
Audio Clip A, 22dB Peak to Average Ratio Source ....................................................... 27
Figure 9.
Audio Clip B, 9dB Peak to Average Ratio Source ......................................................... 27
Figure 10.
Effects of Decoupling for Audio Frequencies ............................................................... 29
Figure 11.
Power Supply Current Measurement ............................................................................. 30
Figure 12.
Smart Amp Signal Chain ................................................................................................. 31
Figure 13.
End-System Integration ................................................................................................... 37
Figure 14.
Dump to Header File Page ............................................................................................... 38
Figure 15.
Example Header File Output Snippet ............................................................................. 39
Figure 16.
Example Header File Output Snippet ............................................................................. 40
Figure 17.
Volume Control Change Comparison ............................................................................ 42
Figure A-2.
Obtaining the Loudspeaker Diameter ............................................................................ 45
Figure A-3.
Speaker Element Types ................................................................................................... 45
Figure C-1.
Editing Windows System Variables ................................................................................ 51
Tables
Table 1.
Equipment and Software ................................................................................................... 8
Table 2.
Miscellaneous Equipment ............................................................................................... 10
Table 3.
Microphones Tested for Smart SPL and Passive Radiator Systems .......................... 10
Table 4.
Bass Enhancement Parameters ...................................................................................... 19
Table 5.
Example Smart Amp Supply Rail Voltages for the TAS5766M..................................... 28
Table 6.
Peak Input Current Examples (One Channel) ................................................................ 30
Table 7.
TAS5766M/68M Post-processing Gain Controls ........................................................... 32
Revision History .................................................................................................................................... 52
