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Pioneer Elite SC-85 Довідковий посібник
Audio Technologies
ESS SABRE
Ultra DAC
32
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87
85
The highly acclaimed 192 kHz/32-bit ESS
SABRE
Ultra DAC (ES9016S) is adopted
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to deliver exceptional sound, with ultra-low
distortion and high signal-to-noise ratio. It offers jitter-free
performance for an astounding audio reproduction with rich deep
bass, bringing out the full potentials of Pioneer's Class D amplifiers.
Advanced Sound Retriever
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87
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82
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The Advanced Sound Retriever restores the output
of compressed audio — such as WMA, MPEG-4 AAC,
and MP3 — to the level of CD sound. The technology
creates new signals to restore the minor details left out during
the compression process. Advanced Sound Retriever for multi-
surround sound is compatible with DVD soundtracks featuring
Dolby Digital or DTS.
Auto Sound Retriever
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87
85
82
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Since the Advanced Sound Retriever is designed
with an algorithm optimized to process 128 kbps
signal, it did not work well with 8-15 kHz high
frequencies in 64 kbps signal, which is the bit rate for quite a few
internet stations. The newly developed Auto Sound Retriever
automatically determines the audio signal's bit rate, and
interpolates the data lost during compression. It is especially
effective for improving the sound quality of low bit rate content —
an ideal feature when switching between internet radio stations
with different bit rates.
Auto Sound Retriever for ARC
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87
85
82
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With digital broadcast, although images are displayed in high-
definition, the audio quality is not as high since they are
compressed with various bit rates. By applying Pioneer's Auto
Sound Retriever feature to TV broadcast signals, it adjusts the
effects according to the bit rate transferred via HDMI's ARC (Audio
Return Channel), letting you enjoy digital TV broadcast in high-
definition sound via Pioneer AV receiver.
Sound Retriever Link
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Through HDMI connection, Sound Retriever Link
detects the original audio file information such as
source type, codec, and bit rate played on a
compatible Pioneer Blu-ray Disc player, and automatically
switches to the most suitable Sound Retriever. So there is no
need to switch on/off according to the source. Advanced Sound
Retriever is selected for Blu-ray Disc and DVD sources, and Auto
Sound Retriever is selected for other sources.
* Advanced Sound Retriever is selected for all sources when connected with a
non-compatible Blu-ray Disc player.
ELITE AV RECEIVERS REFERENCE GUIDE
ESS SABRE
ESS DAC SABRE
32
10 ns Square (10 Hz) Jitter, 12 kHz @-20 dB Signal
Typical
DAC
With Jitter
With Jitter
Without Jitter
-140 dB
Jitter level lower than
previous DAC even
with jitter.
ES9016
With or Without Jitter
-150 dB
Advanced Sound Retriever
Restoration Image
Restoration of lost music cadence
Sound Retriever ON
CD sound
Compressed
Restored
sound
Time
Time
Restoration of lost music cadence
Sound Retriever ON
Restored
CD sound
Compressed
sound
Low
Middle
High
Frequency
Low
Middle
High
Frequency
Low
Playback Upper Limit Frequency by Bit Rate
25
20
15
10
5
64
96
128
Bit rate (kbps)
Current Sound Retriever
Upper limit for
unable to play 8-15 kHz
playback differs
range for MP3's 64 kbps
by frequency
Auto Sound Retriever
Compressed Sound
Improvement for S/N Ratio
-80
-100
dB
-120
1k
9
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Jitter Reduction Performance
-140 dB Line
-140 dB Line
Advanced Sound Retriever
Compensation Effect
+0
sound
-20
-40
-60
-80
-100
Time
-120
-140
0
5k
10k
15k
sound
Original Sound
Advanced Sound Retriever ON
Advanced Sound Retriever OFF
Middle
High
Frequency
MP3
WMA
AAC
160
192
256
320
Current Sound Retriever
optimized for
128 kbps bit rate
Restored Sound
14.5dB
: OFF
: ON
20k
Hz
20k
Hz