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What does VOCLE work for? |
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VOCLE is the middleware for echo canceling and noise suppressing, which is well-designed for an embedded systems with an excellent performance under the various noise environment.
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Merits of version 4 |
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Echo canceller which can perform well even on a low cost processor with a low precision operation.
·Echo Return Loss : 52dB
·The rapidity of convergence : 60dB/sec(Minimum)
·Good sending attenuation range during double talk : "behavior 2a" or more (VDA-HFT)
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6.09.4
Initial Convergence,
maximum
6.1.1
Attenuation Range DT
- Sending
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Echo suppressor which is suited best for the use under a real environment.
·presumption of distortion
·performs well even if echo path changes if VOCLE is notified of it
·auto injection of comfort noise
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Noise suppressor oriented for natural sound quality
·Three types of processing with an notable character.
·Flexible control of balance between speech and noise
·Speech Enhancement
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High quality auto gain controller and compressor
·Original algorithm keeping sound quality
·Flexible cooperation with the various type of a microphone and a mobile phone
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Good performance with the small processing resources
·Memory
ROM: 20~50KB, RAM: 10~20KB
·CPU
RISC: 50~100MHz, 16Bit DSP: 25~50MHz |
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Processors |
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Target applications |
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Automotive hands-free unit |
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Compatible for MOST-BUS system |
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Adopted by several Tier-1 companies |
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Support |
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provides VDA-HFT measurement |
VDA-HFT measurement |
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provides listening test on a real automobile |
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Technical consulting of hands-free
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