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03D Applications 81
Yamaha 02R & 03D Applications Guide
03D
Sound Localization & Sound Image Control (Using Hass Effect)
Using the bus assign, the main PA sound can be positioned to match that of the sound
source. Delays in multiple speaker systems can be compensated using the bus output delays
(Hass Effect).
In a large or medium-sized church or hall with rear or side speakers, where the sound image
needs to direct listeners towards the presenter or sound source, adding a small delay of
between 10 and 20 milliseconds to the rear speakers gives the impression that the presenter
is actually located in front, not behind (Hass Effect). Each 03D output can be delayed by up
to 40 milliseconds.
To achieve the Hass Effect, a small delay must be used in addition to the delay used to
compensate for speaker distance. For example, if the distance between the front and rear
speakers is 30 meters, the speaker distance compensation delay will be 87 milliseconds
(30/344 = 0.087, where 344 is the speed of sound). To this a small delay of between 10 and
20 milliseconds should be added to achieve the Hass Effect.
Formula for setting total delay is
(distance between front and rear speakers/344) + 10–20 ms
Stereo out
03D
Delay
10–20 ms
Delay
10–20 ms
Delay
10–20 ms
Delay
10–20 ms
Front
Stereo out
Bus out
Bus out
Bus out
Bus out
Rear
PHONES
PHONES
+10 –34
–60–16
26dB
1
+10 –34
–60–16
26dB
2
+10 –34
–60–16
26dB
3
+10 –34
–60–16
26dB
4
+10 –34
–60–16
26dB
5
+10 –34
–60–16
26dB
6
+10 –34
–60–16
26dB
7
+10 –34
–60–16
26dB
8
+10 –20
+10
9
GAIN
+10 –20
+10
10
GAIN
+10 –20
+10
11
GAIN
+10 –20
+10
12
GAIN
+10 –20
+10
13
GAIN
+10 –20
+10
14
GAIN
+10 –20
+10
15
GAIN
+10 –20
+10
16
GAIN
+10 –20
+10
ST IN
GAINGAIN GAIN GAIN GAIN GAIN GAIN GAIN GAIN
100
SOLO/ 2TR IN
MONITOR
OUT
LEVEL
100
LEVEL
SCENE MEMORYSETUP
CHANNEL CONTROL
FADER MODE
MIXING LAYER
1–16
17–24/MASTER
USER DEFINE
SOLO
RECALL
ENTER
L STEREO R
USER DEFINE
EFFECT RTNST IN13–169–12FADER 1–8
SCENE MEMORY
FUNCTION
SEL CH
FADER
STATUS
SCENE
MEMORY
MIDI
REMOTE
UTILITY
AUTOMIX
VIEW
HIGHHI-MID
LO-MIDEQ LOW
AUX 1
FADER EFFECT 1
EFFECT 2
AUX 2
AUX 3 AUX 4
EQ LIBRARY
SOLO SETUPGROUP/PAIR
DYNAMICSDELAY/Ø PAN/ROUTING
MIDI
DIO
PARAMETER
CURSOR
STORE
UNDO/
REDO
CLIP
–3
–6
–9
–12
–15
–18
–24
–30
–36
–42
–48
SEL
ON
SEL
ON
SEL
ON
SEL
ON
SEL
ON
SEL
ON
SEL
ON
SEL
SEL
ON
ON
SEL
ON
SEL
ON
SEL
ON
SEL
ON
SEL
ON
SEL
ON
SEL
ON
SEL
ON
SEL
ON
SEL
ON
12345678910111213141516
ST IN
EFFECT
RETURN
ST OUT
17 18 19 20 21 22 23 24 AUX1 AUX2 AUX3 AUX4 BUS1 BUS2 BUS3 BUS4
12345678910111213141516
ST IN
EFFECT
RETURN
ST OUT
17 18 19 20 21 22 23 24 AUX1 AUX2 AUX3 AUX4 BUS1 BUS2 BUS3 BUS4
6
0
5
10
20
40
60
00
6
0
5
10
20
40
60
00
6
0
5
10
20
40
60
00
6
0
5
10
20
40
60
00
6
0
5
10
20
40
60
00
6
0
5
10
20
40
60
00
6
0
5
10
20
40
60
00
6
0
5
10
20
40
60
00
6
0
5
10
20
40
60
00
6
0
5
10
20
40
60
00
6
0
5
10
20
40
60
00
6
0
5
10
20
40
60
00
6
0
5
10
20
40
60
00
6
0
5
10
20
40
60
00
6
0
5
10
20
40
60
00
6
0
5
10
20
40
60
00
6
0
5
10
20
40
60
00
6
0
5
10
20
40
60
00
6
0
5
10
20
40
60
00
SOLO
12
PAD
EQ FLAT
METER
12
34
Front
Rear
Presenter Listener
Delay
86


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