Re: [LAU] sample rate converter?

From: Fons Adriaensen <fons@email-addr-hidden>
Date: Sat Sep 28 2013 - 00:15:43 EEST

On Fri, Sep 27, 2013 at 10:10:00AM -0400, Grekim Jennings wrote:
 
> Thanks Fons. Do you have a recommendation for how much headroom to leave
> before the conversion, and if you do clip during the conversion is there
> any sort of warning? I used to leave around 1.5 dB. The way I used to
> go about this was to apply all limiting to the 24-bit 48000 kHz track,
> then SR convert, then normalize (to ~ -0.3 dB) or set a final level, and
> finally dither/quantize.

In theory there is no limit to the inter-sample peak level.
It *could* matter for some technical test signals etc. For
normal music signals even 0.5 dB should be enough, and even
if it clips you very probably won't notice.

Ciao,

-- 
FA
A world of exhaustive, reliable metadata would be an utopia.
It's also a pipe-dream, founded on self-delusion, nerd hubris
and hysterically inflated market opportunities. (Cory Doctorow)
_______________________________________________
Linux-audio-user mailing list
Linux-audio-user@email-addr-hidden
http://lists.linuxaudio.org/listinfo/linux-audio-user
Received on Sat Sep 28 08:15:02 2013

This archive was generated by hypermail 2.1.8 : Sat Sep 28 2013 - 08:15:02 EEST