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PulseAudio - LinuxReviews

    https://linuxreviews.org/PulseAudio#:~:text=PulseAudio%20will%20up%20or%20down-mix%20the%20source%20audio,96%20kHz%20and%20then%20down-mixed%20to%2048%20kHz.
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Audiophile – PulseAudio

    https://www.freedesktop.org/wiki/Software/PulseAudio/Documentation/User/Audiophile/
    In /etc/pulse/daemon.conf add: default-sample-format = s32le default-sample-rate = 96000. Resampling your 44,100Hz media may be an issue with the above settings so you can increase the resampler quality from the PA default. In /etc/pulse/daemon.conf add: resample-method = speex-float-5.

PulseAudio - LinuxReviews

    https://linuxreviews.org/PulseAudio
    resample-method sets the type of technology used for resampling. speex-float is a good option for weaker processors. It has many quality/speed options you can use by adding a -number to it. speex-float-10 provides better quality than say speex-float-2 - higher values produce better quality and consume more CPU, lower values have lower quality and consume less CPU.

Change the default resample-method to speex-float-10 in ...

    https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/issues/310
    I suggest changing the default resample-method to speex-float-10, instead of speex-float-1, which is the current default now, in /etc/pulse/daemon.conf. In my day-to-day usage, it gives better sound quality without sacrificing CPU power. I …

[TUTORIAL] Changing PulseAudio defaults and getting the ...

    https://www.reddit.com/r/linux/comments/akhwyr/tutorial_changing_pulseaudio_defaults_and_getting/
    Tell PulseAudio to use a high quality resample method. PulseAudio defaults to a low-cpu resample method, but any modern computer should be able to be cranked to the max. Ideally, there isn't any resampling going on anyway, so this setting isn't even used. Step 1: Copy the files in /etc/pulse (there are 4 files in there) to ~/.config/pulse. I did this using Terminal, but you can …

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