Metric Halo SpectraFoo User Manual
Page 7
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SpectraFoo User's Guide
7
3.45. Oscilloscope Controls window ............................................................................................... 43
3.46. Power history ....................................................................................................................... 44
3.47. Envelope history ................................................................................................................... 44
3.48. Power Balance History .......................................................................................................... 45
3.49. Lissajous Phase Scope (vector mode) ...................................................................................... 45
3.50. Lissajous Phase Scope (X-Y mode) .......................................................................................... 45
3.51. Lissajous in Stereo Position Mode .......................................................................................... 46
3.52. Lissajous Control window ...................................................................................................... 46
3.53. Phase Torch™ ...................................................................................................................... 47
3.54. Phase Torch Control window ................................................................................................. 48
3.55. Phase Torch with threshold at -60 dB ..................................................................................... 48
3.56. Phase Torch Full Range ......................................................................................................... 49
3.57. Band Power History .............................................................................................................. 49
3.58. Band Power History controls ................................................................................................. 49
3.59. Vertical Correlation Meter ..................................................................................................... 50
3.60. Horizontal Correlation Meter ................................................................................................. 50
3.61. Correlation History ................................................................................................................ 50
3.62. Docked Correlation & History ................................................................................................ 50
3.63. 16 bit signal in the Code Meter ............................................................................................. 51
3.64. Definition of the offsets in the Bit Matrix ................................................................................. 51
3.65. Visual of the Bit Matrix ......................................................................................................... 51
3.66. Instantaneous Snapshot of Bit Matrix ...................................................................................... 52
3.67. Accumulation Snapshot of Bit Matrix ...................................................................................... 52
3.68. Bit Scope Layout with 512 Sample Time Slice and 8 Columns ................................................... 53
3.69. Bit Layout in Bit Scope ......................................................................................................... 53
3.70. THD Meter .......................................................................................................................... 53
3.71. Parameter control button ....................................................................................................... 54
4.1. SpectraFoo Signal Arrangement for MBM Transfer Function ........................................................ 55
4.2. Transfer Function of a Room Response with a time delay ........................................................... 56
4.3. Time Aligning the measurement with the Delay Finder Window .................................................. 57
4.4. Transfer Function after the measurement has been time-aligned .................................................. 58
4.5. Transfer Function Controls window .......................................................................................... 59
4.6. Power vs. Frequency ............................................................................................................... 60
4.7. Phase vs. Frequency ............................................................................................................... 61
4.8. Instrument Enable ................................................................................................................... 61
4.9. Solo button ............................................................................................................................ 61
4.10. Show Controls ...................................................................................................................... 61
4.11. Take Snapshot ...................................................................................................................... 61
4.12. Overlay List .......................................................................................................................... 61
4.13. Clear Data ........................................................................................................................... 62
4.14. Power Panel ......................................................................................................................... 62
4.15. Phase Panel .......................................................................................................................... 62
4.16. Simple Measurement setup .................................................................................................... 63
4.17. Setup for checking your D/A/D chain ..................................................................................... 64
4.18. Acoustic test setup ................................................................................................................ 64
4.19. Transfer function without delay compensation ......................................................................... 65
4.20. Transfer Function Controls Window ....................................................................................... 65
4.21. Delay Finder window ............................................................................................................ 66
4.22. Time-aligned transfer function ................................................................................................ 67
4.23. Coherence expressed mathematically ...................................................................................... 68
4.24. Simple source and response signals ........................................................................................ 68
4.25. Simple source – Complex response signal ............................................................................... 68
4.26. Acoustic test with reflected paths ........................................................................................... 69
4.27. Path length difference ........................................................................................................... 69