Bedienungsanleitung NAD M17 AV (Seite 13 von 38) (Englisch)

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DSP OPTIONS

The following signal processing parameters can be setup under the DSP

(Digital Signal Processing) Options menu.

IMPORTANT NOTICE

The M17 is an AV Surround Sound Preamplier and therefore has no

speakers. The mention of “Speaker(s)” in this manual refers to the

speakers of your external amplier as interfaced with the M17.

LIP SYNC DELAY

DSP Options has the feature “Lip Sync Delay” whose function is to match

any delay that may occur in the picture relative to the audio.

By varying “Lip Sync Delay” from 0ms to 120ms, one can delay the audio

output in order to synchronize it with the video image.

ADC ANALOGTODIGITAL CONVERTER RATE

An analog audio input is converted to digital signal by making use of M17’s

superb circuitry called analog-to-digital converter (ADC).

Using this ADC Rate feature, the sampling rate of the resulting digital audio

signal (available at the digital output ports) can be converted into three

levels – 48K, 96K and 192K. Make sure that the associated equipment will

be able to handle the applicable digital audio signal level.

AUDYSSEY MultEQ

Audyssey MultEQ becomes available among the DSP options only after

successfully completing Audyssey Auto Calibration (accessible through

the Setup Menu). Refer also to Audyssey Auto Calibration segment of the

Speaker Setup under Operation - Using the M17 - Setup Menu.

Audyssey MultEQ can be set to the following levels

Audyssey: Audyssey developed target curve.

Flat: This setting is appropriate for very small or highly treated rooms

in which the listener is seated quite close to the loudspeakers. MultEQ

lters are used in the same way as the Audyssey curve, but it does not

apply a high frequency roll-o.

NAD: Ideal “in room” response developed by NAD engineers along with

Audyssey Engineers.

O: MultEQ lters are not used or no measurement process at all.

AUDYSSEY DYN EQ AUDYSSEY DYNAMIC EQ

Audyssey Dynamic EQ solves the problem of deteriorating sound quality as

volume is decreased by taking into account human perception and room

acoustics. By carefully combining information from incoming source levels

with actual output sound levels in the room, Audyssey Dynamic EQ delivers

unprecedented sound reproduction at all volume levels.

Audyssey Dynamic EQ selects the correct frequency response and surround

volume levels moment-by-moment. The resulting bass response, octave-

to-octave balance and surround impression remained the same despite

changes in volume.

Audyssey Dynamic EQ is designed to work in conjunction with Audyssey

MultEQ. Dynamic EQ determines the proper loudness compensation based

on the sound pressure level measurements MultEQ provides. Audyssey

Dynamic EQ working in tandem with Audyssey MultEQ provides the right

listening conditions for every listener at any volume level.

On: Activate Audyssey Dynamic EQ function.

O: Defeat Audyssey Dynamic EQ function.

Oset: Adding a Volume Oset will have the eect of reducing the

amount of boost applied by Dynamic EQ, for any given volume setting.

As a consequence, the amount of overall digital attenuation required

is also reduced. For example, with the Oset set to 10dB, and a volume

setting of -30.0dB, the loudness curve selected will be for a volume level

of -20.0dB.

The oset level can be set from 0dB to 15dB.

AUDYSSEY DYNAMIC VOLUME

Audyssey Dynamic Volume delivers consistent volume playback levels,

anticipating sudden spikes and dips in volume and compensating for them

in real time. Audyssey Dynamic Volume monitors the volume of program

material moment-by-moment, maintaining the desired listening level for all

content while optimizing the dynamic range to preserve the impact.

Audyssey Dynamic Volume includes Audyssey Dynamic EQ, which

compensates for deteriorating sound quality as volume is decreased

by taking into account human perception and room acoustics. These

two technologies enable the full frequency response of the source at its

original level to be reproduced at any listening level. Even at lower listening

volumes, Dynamic Volume ensures that the richness and dynamics of the

response are maintained.

Audyssey Dynamic Volume can be set to the following levels

Light: Provide the least adjustment to the loudest or softest sound

level.

Medium: Setting that prevents loud and soft sound from being much

louder than their respective average sound levels.

Heavy: Aect volume the most by causing all sound to be of equal

loudness.

IMPORTANT NOTES

• Audyssey Dynamic EQ must be set to “On” to activate Audyssey Dynamic

Volume. If Audyssey Dynamic EQ is set to “O”, Audyssey Dynamic

Volume will also remain “O”.

• If Audyssey Auto Calibration is not set up, the relative balance of your

system’s loudspeakers has to be manually adjusted (with the aid of a SPL

meter) for Audyssey Dynamic Volume and Audyssey Dynamic EQ to be

eective. If the speakers are not properly calibrated, the corresponding

Audyssey Dynamic Volume and Audyssey Dynamic EQ responses could

be distorted. Refer also to the item about “USING SPL METER” in the

SPEAKER LEVELS section below.

OPERATION

USING THE M17  MAIN MENU

ENGLISHFRANÇAISESPAÑOLITALIANODEUTSCHNEDERLANDSSVENSKAРУССКИЙ

NAD M17 AV Seite 13

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