<html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body> OK, I think I found my answer, this one should be right: gst-launch-1.0 --gst-debug=audio-*:5, filesrc location="/var/lib/mpd/music/NAS/loss4/Nina Simone/Baltimore/1. Baltimore.flac" ! decodebin ! audioconvert dithering=tpdf-hf noise-shaping=simple ! audioresample quality=10 resample-method=blackman-nuttall sinc-filter-interpolation=cubic sinc-filter-mode=interpolated ! audio/x-raw, rate=176400 ! alsasink device=hw:1,0 the only thing is that I don't understand how to activate dither, from the log it seems that it doesn't apply it: audio-converter audio-converter.c:869:chain_mix: mix format S32LE, passthrough 1, in_channels 2, out_channels 2 audio-resampler audio-resampler.c:859:audio_resampler_init: target sse, default flags 0000021f audio-resampler audio-resampler-x86.h:30:audio_resampler_check_x86: enable SSE optimisations audio-resampler audio-resampler.c:862:audio_resampler_init: target flag sse2 audio-resampler audio-resampler-x86.h:42:audio_resampler_check_x86: enable SSE2 optimisations audio-resampler audio-resampler.c:862:audio_resampler_init: target flag sse3 audio-resampler audio-resampler.c:862:audio_resampler_init: target flag ssse3 audio-resampler audio-resampler.c:862:audio_resampler_init: target flag sse41 audio-resampler audio-resampler-x86.h:63:audio_resampler_check_x86: enable SSE41 optimisations audio-resampler audio-resampler.c:862:audio_resampler_init: target flag sse42 audio-resampler audio-resampler.c:862:audio_resampler_init: target flag 64bit audio-resampler audio-resampler.c:1411:gst_audio_resampler_new: method 3, bps 4, channels 2 audio-resampler audio-resampler.c:1554:gst_audio_resampler_update: phase 0 out_rate 176400, in_rate 44100, gcd 44100 audio-resampler audio-resampler.c:1561:gst_audio_resampler_update: new phase 0/4 audio-resampler audio-resampler.c:1567:gst_audio_resampler_update: have new options, reconfigure filter audio-resampler audio-resampler.c:1198:resampler_calculate_taps: using cubic interpolation to build filter audio-resampler audio-resampler.c:977:alloc_taps_mem: allocate bps 4 n_taps 160 n_phases 36 audio-resampler audio-resampler.c:1035:setup_functions: using cubic interpolation for filter coefficients audio-resampler audio-resampler.c:1039:setup_functions: using filter interpolate function 5 audio-resampler audio-resampler.c:1055:setup_functions: using interpolated filter function audio-resampler audio-resampler.c:1060:setup_functions: using resample function 13 audio-converter audio-converter.c:963:chain_quantize: depth in 32, out 24 audio-converter audio-converter.c:975:chain_quantize: using no dither and noise shaping audio-converter audio-converter.c:987:chain_quantize: quantize to 24 bits, dither 0, ns 0 audio-converter audio-converter.c:1032:chain_pack: pack format S32LE to S24LE if I enter the parameter 'dithering-threshold=32' it does not accept it, in fact if I check with inspector it does not list it: gst-inspect-1.0 audioconvert Factory Details: Rank primary (256) Long-name Audio converter Klass Filter/Converter/Audio Description Convert audio to different formats Author Benjamin Otte <a class="moz-txt-link-rfc2396E" href="mailto:otte@gnome.org"><otte@gnome.org></a> Plugin Details: Name audioconvert Description Convert audio to different formats Filename /usr/lib64/gstreamer-1.0/libgstaudioconvert.so Version 1.20.1 License LGPL Source module gst-plugins-base Source release date 2022-03-14 Binary package Gentoo GStreamer ebuild Origin URL <a class="moz-txt-link-freetext" href="https://www.gentoo.org">https://www.gentoo.org</a> GObject +----GInitiallyUnowned +----GstObject +----GstElement +----GstBaseTransform +----GstAudioConvert Pad Templates: SINK template: 'sink' Availability: Always Capabilities: audio/x-raw format: { (string)F64LE, (string)F64BE, (string)F32LE, (string)F32BE, (string)S32LE, (string)S32BE, (string)U32LE, (string)U32BE, (string)S24_32LE, (string)S24_32BE, (string)U24_32LE, (string)U24_32BE, (string)S24LE, (string)S24BE, (string)U24LE, (string)U24BE, (string)S20LE, (string)S20BE, (string)U20LE, (string)U20BE, (string)S18LE, (string)S18BE, (string)U18LE, (string)U18BE, (string)S16LE, (string)S16BE, (string)U16LE, (string)U16BE, (string)S8, (string)U8 } rate: [ 1, 2147483647 ] channels: [ 1, 2147483647 ] layout: { (string)interleaved, (string)non-interleaved } SRC template: 'src' Availability: Always Capabilities: audio/x-raw format: { (string)F64LE, (string)F64BE, (string)F32LE, (string)F32BE, (string)S32LE, (string)S32BE, (string)U32LE, (string)U32BE, (string)S24_32LE, (string)S24_32BE, (string)U24_32LE, (string)U24_32BE, (string)S24LE, (string)S24BE, (string)U24LE, (string)U24BE, (string)S20LE, (string)S20BE, (string)U20LE, (string)U20BE, (string)S18LE, (string)S18BE, (string)U18LE, (string)U18BE, (string)S16LE, (string)S16BE, (string)U16LE, (string)U16BE, (string)S8, (string)U8 } rate: [ 1, 2147483647 ] channels: [ 1, 2147483647 ] layout: { (string)interleaved, (string)non-interleaved } Element has no clocking capabilities. Element has no URI handling capabilities. Pads: SINK: 'sink' Pad Template: 'sink' SRC: 'src' Pad Template: 'src' Element Properties: dithering : Selects between different dithering methods. flags: readable, writable Enum "GstAudioDitherMethod" Default: 2, "tpdf" (0): none - GST_AUDIO_DITHER_NONE (1): rpdf - GST_AUDIO_DITHER_RPDF (2): tpdf - GST_AUDIO_DITHER_TPDF (3): tpdf-hf - GST_AUDIO_DITHER_TPDF_HF mix-matrix : Transformation matrix for input/output channels flags: readable, writable GstValueArray of GValues of type "GstValueArray" name : The name of the object flags: readable, writable, 0x2000 String. Default: "audioconvert0" noise-shaping : Selects between different noise shaping methods. flags: readable, writable Enum "GstAudioNoiseShapingMethod" Default: 0, "none" (0): none - GST_AUDIO_NOISE_SHAPING_NONE (1): error-feedback - GST_AUDIO_NOISE_SHAPING_ERROR_FEEDBACK (2): simple - GST_AUDIO_NOISE_SHAPING_SIMPLE (3): medium - GST_AUDIO_NOISE_SHAPING_MEDIUM (4): high - GST_AUDIO_NOISE_SHAPING_HIGH parent : The parent of the object flags: readable, writable, 0x2000 Object of type "GstObject" qos : Handle Quality-of-Service events flags: readable, writable Boolean. Default: false </body> </html>