Rate Converter Plugin Using libavresample
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The plugin in rate-lavr subdirectory is an external rate converter using
libswresample library. 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 "lavrate"
}
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 "lavrate"
Write the above in your ~/.asoundrc or /etc/asound.conf.
The following converter types are available:
- lavcrate_higher Use length=64
- lavcrate_high Use length=32
- lavcrate Use length=16
- lavcrate_fast Use length=8
- lavcrate_faster Use length=4
Linear interpolation and cutoff values are automatically used depending on
the supplied parameters and whether the plugin is used to upsample or
downsample.
Generated by dwww version 1.14 on Sat Apr 19 01:36:10 CEST 2025.