Dynaudio LYD Series Betriebshandbuch - Seite 18
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Dynaudio Lyd —Series
Listening
Tests
Reference Material
Play some recorded material that you are familiar
with through the speakers to see if the sound
is what you expect. Adjust the tilt filters both
directions to hear the different tonalities that are
possible. It is also suggested that you listen to
material you know actually sounds bad or has
defects in the recordings. A truly neutral loud-
speaker will reveal these defects clearly.
The whole point to a good loudspeaker is to
get accurate representation of the sound, good
or bad, so that mix decisions can effectively be
made. Adjust the tilt filter to the setting you are
most comfortable with.
Pink Noise
For an objective test of the speaker's response,
you will need a metering system. This consists
of a device that can measure the spectral output
of the loudspeaker in real time and a source of
pink noise that can be played back through the
loudspeakers.
P20
Once you have your speakers properly positioned, its time to start
listening to them. Subjective listening tests can be made with reference
material that you are familiar with; a favorite album, movie or other
recording. Objective tests can be made simply with a smartphone
app or more sophisticated acoustic measurement system.
•
RTA Spectral Analyzer
•
Pink Noise Source
Dynaudio has created an iOS app with these
tools built in so you can quickly test and calibrate
your LYD speakers using your iPhone, iPad or
iPod touch. In the Apple App Store, search for
"Dynaudio Meter" to locate and download this
free app.
You can connect the device directly to the speak-
ers using a conventional headphone to RCA
adapter. Play the pink noise from the Dynaudio
Meter and adjust the level for a reasonable play-
back volume. If you wish to play pink noise from
your computer workstation, a WAV file containing
pink noise is available at: www.dynaudio.com/
pinknoise
Play the pink noise through one speaker at a time
at a reasonable level (~80-85 dBA) and place the
iPhone or iPad at the listening position. Change
the Sound Balance filter to see how the response
changes the response curve in the RTA. Pink
noise is a balanced level of noise across the entire
spectrum. In the RTA display, the reading should
be as level and even as possible.
If you notice excessive levels in the low frequen-
cies, try setting the Sound Balance filter to Bright
(B) and check the results. If the spectrum analyzer
shows a greater degree of high frequencies, set
the tilt filter to dark (D) and check the results.
Once you have the tilt filter set for the flattest
response curve in the RTA, return to your ref-
erence material to see how it sounds. Through
this process of objective tests with the RTA and
subjective listening tests with you ears, you will
arrive at the best setting for your Dynaudio loud-
speakers.