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Linux Based Receivers
Dreambox Support Forum
SPDIF Volume control
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<blockquote data-quote="haggard" data-source="post: 84438" data-attributes="member: 183237"><p>Jankoh</p><p>The spdif ouput is a digital audio stream. To change the volume of the output needs DSP (digital signal preocessing) which adjusts the digital value representing the level by a gain factor +/-. This can be done by a software processor or an asic chip (application specific integrated circuit).</p><p>All the spdif outputs that I have encountered are fixed level -- the output coming off the pin of the asic that strips the audio off the transport stream.</p><p>You then process it outside the receiver box.</p><p>Some of us with a dBox1 (1997) soldered a wire onto that pin and fed it to a spdif socket screwed into the modem hole. That way, I caught digital audio stream from e.g. BBC rdio straight into DAT or a VXpocket on Mac to make CDs for archive. (Im on radio a bit and I do my friends also when they are on.)</p></blockquote><p></p>
[QUOTE="haggard, post: 84438, member: 183237"] Jankoh The spdif ouput is a digital audio stream. To change the volume of the output needs DSP (digital signal preocessing) which adjusts the digital value representing the level by a gain factor +/-. This can be done by a software processor or an asic chip (application specific integrated circuit). All the spdif outputs that I have encountered are fixed level -- the output coming off the pin of the asic that strips the audio off the transport stream. You then process it outside the receiver box. Some of us with a dBox1 (1997) soldered a wire onto that pin and fed it to a spdif socket screwed into the modem hole. That way, I caught digital audio stream from e.g. BBC rdio straight into DAT or a VXpocket on Mac to make CDs for archive. (Im on radio a bit and I do my friends also when they are on.) [/QUOTE]
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SPDIF Volume control
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