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From: "Måns Rullgård" <mans@mansr.com>
To: tsepp2000@web.de
Cc: sox-users@lists.sourceforge.net
Subject: Re: sox/mansr: DSD to PCM
Date: Wed, 20 May 2020 09:16:31 +0100
Message-ID: <yw1xk117yqao.fsf@mansr.com> (raw)
In-Reply-To: <trinity-9cb1a7d3-7261-421f-bc3e-d1c8f3f59f1c-1589960806447@3c-app-webde-bs05> (tsepp's message of "Wed, 20 May 2020 09:46:46 +0200")

tsepp2000@web.de writes:

> Thank you Mans,
>
> my question was a little more profound. I have linked 3 pictures that show
> the difference between three of many ways. Some filters are also used
> here. My question was about whether someone here has deeper experiences
> and has also made listening comparisons about the highest quality command
> for sox.

The thread you linked is about conversion from PCM to DSD.

> I could not attach my 3 example pictures (Spek): Every file 32 Bit Float,
> Sox-files linear phase. Here the download-link:
> https://www.file-upload.net/download-14089057/DSF2WAV.zip.html
> The Spek-pictures:
> - Xrecode3.png output 352,8kHz File (Standard-output of XRecode3)
>
> - Sox_rate_savL88200_gain_8_lowpass_1_25000_sinc_30000_n43.png
> sox input.dsf -b 32 -e float output.wav rate -s -a -v -L 88200 gain 8
> lowpass -1 25000 sinc -30000 -n 43

That uses the rate effect, then applies some additional low-pass
filtering, presumably to remove the modulator noise.

> - Sox_rate_savL88200.png
> sox input.dsf -b 32 -e float output.wav rate -b 99 -a -v -L 88200

And that's just the rate effect without any additional filtering.

I don't quite understand what you're asking.

-- 
Måns Rullgård


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Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-20  7:46 tsepp2000
2020-05-20  8:16 ` Måns Rullgård [this message]
2020-05-20  9:17   ` tsepp2000
2020-05-21 14:12     ` Måns Rullgård
2020-05-21 16:44       ` tsepp2000
  -- strict thread matches above, loose matches on Subject: below --
2020-05-19 13:18 tsepp2000
2020-05-19 20:22 ` Måns Rullgård

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