Re: [linux-audio-user] [OT] Sound service and recording

From: Sampo Savolainen <v2@email-addr-hidden>
Date: Wed Jul 06 2005 - 00:10:37 EEST

On Tue, 2005-07-05 at 22:43 +0200, Frode Haugsgjerd wrote:
> tir, 05,.07.2005 kl. 20.01 +0200, skrev Carotinho:
> The Canon or XLR connections are balanced inputs, meaning the signal and
> shielding is not connected. This is supposed to prevent
> electrical noise.

It's not the shielding which makes balanced connections so good. The
idea of the balanced connection is simple and brilliant. The signal is
fed through the cable both in correct phase and reversed phase.

The idea is that when receiving the signal, the reversed phase is
corrected, which then reverses the phase on any noise. When the signals
are combined, the noise in the two signals cancel themselves.

Simply put: balanced connections are a huge gift to us. Use them
anywhere you can.

Sampo Savolainen <v2@email-addr-hidden>
Received on Thu Jul 7 16:19:04 2005

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