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53 lines
2.3 KiB
53 lines
2.3 KiB
<script type="text/x-red" data-help-name="AudioOutputSPDIF">
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<h3>Summary</h3>
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<div class=tooltipinfo>
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<p>Transmit 16 bit stereo audio as Digital S/PDIF.</p>
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<p align=center><img src="img/spdif_proto.jpg"></p>
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</div>
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<h3>Audio Connections</h3>
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<table class=doc align=center cellpadding=3>
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<tr class=top><th>Port</th><th>Purpose</th></tr>
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<tr class=odd><td align=center>In 0</td><td>Left Channel</td></tr>
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<tr class=odd><td align=center>In 1</td><td>Right Channel</td></tr>
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</table>
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<h3>Functions</h3>
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<p>This object has no functions to call from the Arduino sketch. It
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simply streams data from its 2 input ports S/PDIF encoded digital
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audio on pin 22.</p>
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<h3>Hardware</h3>
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<p>The S/PDIF output signal can be used to drive an optical TOSLINK
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cable, or a standard (usually orange) RCA jack.</p>
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<table class=doc align=center cellpadding=3>
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<tr class=top><th>Pin</th><th>Signal</th><th>Direction</th></tr>
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<tr class=odd><td align=center>22</td><td>S/PDIF</td><td>Output</td></tr>
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</table>
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<p>For optical TOSLINK output, this
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<a href="https://www.oshpark.com/shared_projects/KcDBKHta" target="_blank">OSH Park board</a>
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can be used with the inexpensive Everlight PLT133/T6A connector, available
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at Digikey, 1080-1434-ND.
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</p>
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<h3>Examples</h3>
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<p>The AudioOutputSPDIF object can be used in place of the AudioOutputI2S object,
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<p>used in nearly all the examples. The WavFilePlayer shows how to substitute
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output objects for different hardware types.
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</p>
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<p class=exam>File > Examples > Audio > WavFilePlayer
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</p>
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<h3>Credits</h3>
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<p><a href="https://github.com/FrankBoesing" target="_blank">Frank Boesing</a>
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developed the AudioOutputSPDIF code. The original
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<a href="https://forum.pjrc.com/threads/28639-S-pdif" target="_blank">forum disussion</a>
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included valuable input and code from "kpc".
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<h3>Notes</h3>
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<p>S/PDIF output uses the I2S hardware. This object can not be used
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together with any of the I2S objects, because it requires the I2S
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hardware with different internal settings.</p>
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</p>
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</script>
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<script type="text/x-red" data-template-name="AudioOutputSPDIF">
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<div class="form-row">
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<label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
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<input type="text" id="node-input-name" placeholder="Name">
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</div>
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</script>
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