Re: [LAU] comparing audio recordings on the command-line?

From: Ralf Mardorf <ralf.mardorf@email-addr-hidden-dsl.net>
Date: Tue Sep 17 2013 - 10:46:45 EEST

On Tue, 2013-09-17 at 02:37 +0000, Eric Wong wrote:
> Hi, I'd like to compare recording quality of portable recorders.
> I only care about the line-in input of these portable recorders.
>
> I'm thinking:
>
> * play audio through a good DAC and feed the line-in of each recorder
>
> * copy audio files off the SD cards from the recorders

Sorry, I guess I don't understand ...

> * level match the inputs. Probably based on "sox FILE -n stats"
> output change input levels on each recorder to match levels.
>
> * play audio again through the DAC and feed the line-ins

... why you want to do this?

Forget what I've written. You seemingly want to test a copy of a copy,
while doing some processing. IMO that won't give a valid result.

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Received on Tue Sep 17 20:15:01 2013

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