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VP-8IP / Sept 2013
A P P E N D I X
Voice Symmetry Phase Rotation
Operating
Modes:
In/Out
Filter
Type: 4
th
Order Allpass
High-Pass Filter
HPF Filter Class:
24dB/octave Butterworth
Frequency range:
20Hz – 300Hz
HPF Insert Modes:
Off / Stereo L/R / Sum/Difference
Equalization - Two sections of four-band Parametric Equalization
EQ Set 1 – routable to pre or post-five-band AGC.
EQ Set 2 – post-multiband limiter.
Frequency: 20Hz
–
20
kHz
Bandwidth: 0.2
–
3.0
octaves
Lift / Cut:
+/- 14.0dB pre/post four band AGC
+3/-12.0dB
post
multiband
limiter
Four-Band AGC/Compressor
Operates in sum/difference, or “matrix,” mode with the gain linked at AGC time constants.
Drive Gain:
-79.0dB to +6.0dB in 0.5dB steps, plus OFF
Makeup Gain Range:
+18.0dB to +24.0dB, 0.5dB steps
AGC/Compressor Thresholds:
- 35dBFS to -65dBFS
AGC Threshold Backoff:
0dB to -6dB
AGC Attack:
50mS – 1500ms (1.5 sec)
AGC Release:
100mS – 7.0 seconds
AGC Band Coupling:
0dB to -6.0dB, 0.5dB steps
Compressor Attack:
3.0mS – 1000mS (1Sec)
Compressor Release:
20mS – 1000mS (1Sec)
Ratio:
2:1
–
20:1
AGC Gate Threshold:
-20.0dB to -79dBFS, plus OFF
Gate Thresh Trim:
+/- 6dB per band
Gated Modes:
Slow Recovery/Gain Freeze
Gate
Delay:
50mS
to
500mS
Crossover Frequencies
Low to Low Mid Band:
50 Hz to 198 Hz
Low Mid Band to High Mid Band:
250 Hz to 1.5 kHz
High Mid Band to High Band:
3.0 kHz to 8.0 kHz
Band Output Trims, Sum:
+/- 6dB
Band Output Trims, Difference:
+/- 6dB
