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18 lines
849 B
Text
18 lines
849 B
Text
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Secret Rabbit Code (aka libsamplerate) is a Sample Rate Converter
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for audio. One example of where such a thing would be useful is
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converting audio from the CD sample rate of 44.1kHz to the 48kHz
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sample rate used by DAT players.
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SRC is capable of arbitrary and time varying conversions ;
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from downsampling by a factor of 256 to upsampling by the same
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factor. Arbitrary in this case means that the ratio of input and
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output sample rates can be an irrational number. The conversion
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ratio can also vary with time for speeding up and slowing down
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effects.
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SRC provides a small set of converters to allow quality to be traded
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off against computation cost. The current best converter provides
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a signal-to-noise ratio of 97dB with -3dB passband extending from
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DC to 96% of the theoretical best bandwidth for a given pair of
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input and output sample rates.
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