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| Technology overview |
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This technology expands audio environment out of actual
speaker positions. Normally, the sound only in between of
the speakers can be heard, but with use of 3D Surround it
is possible to widen perceived sound image without changing
physical speaker positions. Technology has 3 modes of operation:
Normal, Extended, Overdrive, and allows to control smoothly
distribution of stereo image and bass presence.
(Included into OSS/3D)
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This type of processing creates a virtual re-sounding speaker frame
behind the listener position and bounces the sound as if it
was coming from rear speakers. While the effect utilizes only two
speakers, the resounding frame is emulated in 3D space. The width of
the resounding frame gives the spatialization effect.
extSpace operates in two modes: Active and Wide. It gives maximum
impression, when used together with 4Front 3D Surround.
(Included into OSS/3D)
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This kind of technology represents an aggresive type of surround sound
remixing. This effect includes two options: Center and Space and allows to
control distribution of center material vs surround.
(Included into OSS/3D)
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Fidelity processing enhances signal and recreates missing high frequency
harmonics, which may be lost due to MP3 compression or poor stereo system.
This is a basic way to restore high frequency contents.
(Included into OSS/3D)
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Extended fidelity is a full featured high frequency harmonic synthesizer,
with controls, which are recognized on many professional enhancers. Extended
Fidelity can improve speech legibility, brush up orchestral sound, help in
restoring old records, improve practically any kind of material.
(Included into OSS/3D)
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This type of processing expands bass frequencies like real subwoofer does.
Bass frequencies are well spread around stereo, only two speakers are needed
to emulate surround subwoofer.
(Included into OSS/3D)
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SpeakerTool includes fixes for common speaker problems (such as annoying
resonances, improper phase, inadequate frequency response).
(Included into OSS/3D)
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High quality N-band graphic equalizer that never clips or distorts. Algorithm
is very optimized and CPU lightweight. The default frequency scale is
compatible to professional N-band equalizers. Each of the band can
be driven -20dB...+20dB without causing distortion, clip or overflow.
(Will go into Winamp2.9 as generic PCM equalizer)
(Available separately for Winamp3)
Free Winamp3 plugin sample
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Professional quality room reverberation algorithm. Fully implemented in
integer arithmetic, is very CPU lightweight.
This technology emulates natural room reverberation response, and is suitable
to use in professional audio, gaming, entertainment and other environments
(Included into OSS/3D)
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GRC3 is a high quality realtime resampling algorithm, which is capable
of processing 24-bit signal. Contains 6 modes of quality operation, is
very CPU lightweight, fully implemented in integer arithmetic, currently
is used as sample rate converter in 4Front Open Sound System.
(Included into OSS/Linux)
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