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CARA V2.2 Plus 英文光碟正式版(電腦輔助室內聲學)
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相關網址:
http://www.cara.de
內容說明:
CARA (Computer Aided Room Acoustics)電腦輔助室內聲學軟體
CARA 可分析和提高影響室內聲音
- 決定室內聲音的基本性質，結合考慮室內裝飾以便線性化混響時間
- 揚聲器和聽眾的聲音位置最佳化
CARA (Computer Aided Room Acoustics) is a very advanced computer program for computing and
optimizing Room Acoustics of arbitrary rooms. CARA is based on the sound source imaging
method in combination with a back tracing procedure.
CARA analyzes and improves room acoustic influenced sound coloration in a two step procedure:
* determination of the basic acoustic properties of the room (Acoustic Ambiance) in combination
with suggestions regarding the furnishings (wall materials, furniture) in order to linearize the
reverberation time spectrum,
* automatic Positional Optimization for the loudspeakers and the listener to minimize sound wave
interferences (standing waves) in the listening area.
For a detailed analysis CARA calculates the total sound field data at 1,000-3,000 equally
distributed grid points in the room. The evaluation of the sound field data concerns the
modal structure (steady state sound pressure distribution), the room response of a Dirac-Pulse
excitation in the time domain, the distribution of sound coloration, the sound imaging
(stereophonic sound localization), and the speech intelligibility.
CARA provides the expert with a great number of room acoustic reference numbers (frequency
dependent reverberation times, sound coloration, speech intelligibility, lateral sound level,
or stereophonic sound localization) derived from sound pressure frequency responses or transient
room responses/reverberation diagrams.
The special function Auralization renders a listening test in the (virtual) room to evaluate
for example sound differences due to different loudspeaker positionings. Any piece of music
(two channels Stereo) may be used for this.
