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Rate Converter Plugin Using Libsamplerate
=========================================
The plugin in rate subdirectory is an external rate converter using
libsamplerate by Erik de Castro Lopo. You can use this rate converter
plugin by defining a rate PCM with "converter" parameter, such as:
pcm.my_rate {
type rate
slave.pcm "hw"
converter "samplerate"
}
The plug plugin has also a similar field, "rate_converter".
Or, more easily, define a global variable "defaults.pcm.rate_converter",
which is used as the default converter type by plug and rate plugins:
defaults.pcm.rate_converter "samplerate"
Write the above in your ~/.asoundrc or /etc/asound.conf.
The following converter types are available:
- samplerate_best Use SRC_SINC_BEST_QUALITY
- samplerate_medium Use SRC_SINC_MEDIUM_QUALITY
- samplerate Use SRC_SINC_FASTEST
- samplerate_order Use SRC_ZERO_ORDER_HOLD
- samplerate_linear Use SRC_LINEAR
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