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Opus official website source code
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Application background The latest opus voice encoding compression standards, support 6kb/s-510kb/s, 2.5ms-120ms, c++, can change rate, the official website source code Key Technology Sampling rate from 8 kHz (narrowband) to 48 kHz (Quan Pin)Frame size from 2.5 ms to 60 msSupport constant bit rate (CBR) and variable bit rate (VBR)Audio bandwidth from narrow band to full bandSupporting voice and musicSupports mono and stereoSupports up to 255 channels (multiple data streams).Adjustable bit rate, audio bandwidth and frame sizeGood robustness loss rate and packet loss concealment (PLC)
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Storm source
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Source code for windstorm, VC++ development, more comprehensive functions, can be of interest to learn about it.
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Filter design
4.0
FIR filter design, usually with design of window function approximation method, frequency sampling design and best design. In this experiment, the research design of the first two methods.
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