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Subject: Re: new FAQ entry: digital I/O not working

Re: new FAQ entry: digital I/O not working

From: Michael O'Quinn <>
Date: Tue, 3 Jun 2003 09:41:50 -0700 (PDT)

Makes sense to me.

Note that the Players don't have a S/PDIF jack, however.


The Recorder and FM Recorder have a connector for digital audio output
using the common S/PDIF standard (Sony/Phillips Digital Interface). This
jack is not present on the Studio/Player models. By using the digital
output in combination...


On Tue, 3 Jun 2003, Andreas Stemmer wrote:

> I know this is not really a rockbox related topic, but there are
> frequent questions about the digital I/O. Perhaps we should add this to
> the faq:
> (Feel free to change anything if there's something missing/wrong/badly
> verbalised)
> Question:
> 74. There's a digital I/O connector on my jukebox. What is it good for?
> Answer:
> All jukebox models have a connector for digital audio ouput using the
> common S/PDIF standard (Sony/Phillips Digital Interface). By using the
> digital output in combination with high class external equipment, you
> can get much better sound quality out of your jukebox, because you can
> use better DA-converters and better amplifiers. The recorder and FM
> recorder models also can record from digital sources. The digital inputs
> don't have the 15kHz lowpass filter like the analog inputs and you are
> sure to minimize the noise floor.
> Generally, S/PDIF can be an electrical or an optical signal and there
> are many devices that support both. There are even small 3.5mm sockets
> that can take either an optical or an electrical cable. But the socket
> on the jukebox is for electrical signals only!
> If you want to connect your amp with digital input (RCA type) to the
> output of your jukebox you need an adapter cable (3.5mm stereo jack to
> dual RCA jack). Plug the 3.5mm stero jack into the digital I/O socket of
> your jukebox and the red RCA jack (right channel) into the digital input
> socket of your amp and that's it. You don't have to enable the digital
> output. The sound settings on the digital output are always flat, your
> volume, bass, treble, bass boost, loudness settings won't have any
> effect here.
> For recording digital signals, use the white RCA jack (left channel) and
> plug it into the digital output of your CD player, MD player or
> whatever. Don't forget to select digital input in the recording
> settings.
> If you want to connect devices with optical inputs/outputs, you need a
> small converter box which converts your signal from electrical to
> optical (for digital output) respectively optical to electrical (for
> digital recording).
Received on 2003-06-03

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