speexdsp

Speex is a patent-free compression format designed especially for
speech. It is specialized for voice communications at low bit-rates in
the 2-45 kbps range. Possible applications include Voice over IP
(VoIP), Internet audio streaming, audio books, and archiving of speech
data (e.g. voice mail).

speexdsp is used in resampling process by pulseaudio.

sha256sum filename:
e46819fae53478e85a2e318b41e0b3197ba130fead8eab58f9fd48092aefc71d speexdsp-1.2.0+git4-1.armv7hl.rpm
32ea9b95b4fb31f742abd3d307e40e5a6e7f69d5a4658c02402d775f6a2a6c32 speexdsp-devel-1.2.0+git4-1.armv7hl.rpm