Atom Feed - Twisted Pear Audio Support - Forum:S/PDIF Transceiver (WM8804)Twisted Pear Audio Support - Atom Feedurn:twistedpearaudio-com:AtomFeed:TwistedPearAudioSupport:Forum:S/PDIFTransceiver(WM8804):1Copyright 2024 Twisted Pear Audio Support2024-03-28T09:33:10Zhttp://www.twistedpearaudio.com/forum/Images/YAFLogo.pngForum Adminhttp://www.twistedpearaudio.comfeedback@twistedpearaudio.commaxpouhttp://www.twistedpearaudio.com/forum/profile/27153-maxpoumaxpouhttp://www.twistedpearaudio.com/forum/profile/27153-maxpoumaxpouhttp://www.twistedpearaudio.com/forum/profile/27153-maxpouBrian Doneganhttp://www.twistedpearaudio.com/forum/profile/8-Brian-DoneganBrian Doneganhttp://www.twistedpearaudio.com/forum/profile/8-Brian-DoneganBrian Doneganhttp://www.twistedpearaudio.com/forum/profile/8-Brian-DoneganPJNhttp://www.twistedpearaudio.com/forum/profile/22-PJNBrian Doneganhttp://www.twistedpearaudio.com/forum/profile/8-Brian-DoneganJordohttp://www.twistedpearaudio.com/forum/profile/17730-JordoSteveMiller929http://www.twistedpearaudio.com/forum/profile/26935-SteveMiller929simoneveshttp://www.twistedpearaudio.com/forum/profile/26796-simonevesBrian Doneganhttp://www.twistedpearaudio.com/forum/profile/8-Brian-DoneganRuss Whitehttp://www.twistedpearaudio.com/forum/profile/9-Russ-WhiteBrian Doneganhttp://www.twistedpearaudio.com/forum/profile/8-Brian-DoneganBrian Doneganhttp://www.twistedpearaudio.com/forum/profile/8-Brian-Doneganpeter_pressurehttp://www.twistedpearaudio.com/forum/profile/26547-peter-pressureRuss Whitehttp://www.twistedpearaudio.com/forum/profile/9-Russ-Whitevladimirb0bhttp://www.twistedpearaudio.com/forum/profile/23178-vladimirb0balex6679http://www.twistedpearaudio.com/forum/profile/26441-alex6679Brian Doneganhttp://www.twistedpearaudio.com/forum/profile/8-Brian-DoneganBrian Doneganhttp://www.twistedpearaudio.com/forum/profile/8-Brian-DoneganYetAnotherForum.NETurn:twistedpearaudio-com:ftTopics:st1:tid4240:lmid26251:1coax out to s/pdif transceiver????<table class="content postContainer_Alt" width="100%"><tr><td>Hi,<br />someone can help me with my last post, i would like to know why it does't work in 24bit. Now i'm connected with a streamer bluesound node 2i. thank you! Maxpou</td></tr></table><table><tr><td><a href="http://www.twistedpearaudio.com/forum/posts/m26251-coax-out-to-s-pdif-transceiver#post26251" ><img src="http://www.twistedpearaudio.com/forum/Themes/GreyGrey/icon_newest_reply.png" alt ="Go to last post" title ="Go to last post" /></a></td></tr><table>2022-03-18T00:28:22-07:002022-03-18T00:28:22-07:00maxpou<table class="content postContainer_Alt" width="100%"><tr><td>Hi,<br />someone can help me with my last post, i would like to know why it does't work in 24bit. Now i'm connected with a streamer bluesound node 2i. thank you! Maxpou</td></tr></table><table><tr><td><a href="http://www.twistedpearaudio.com/forum/posts/m26251-coax-out-to-s-pdif-transceiver#post26251" ><img src="http://www.twistedpearaudio.com/forum/Themes/GreyGrey/icon_newest_reply.png" alt ="Go to last post" title ="Go to last post" /></a></td></tr><table>urn:twistedpearaudio-com:ftTopics:st1:tid4280:lmid26223:1crackle with 24bit/192khz<table class="content postContainer_Alt" width="100%"><tr><td>Hi Brian,<br />finally i found my problem. It was my cable between my streamer and my dac. I had a good interconnect but not a digital cable 75 ohms. when i tried with a old digital video cable 75 ohms pheonix gold of 2 meters lenght, my problem disapear. thank you! Maxpou<img src="/forum/Images/Emoticons/eusa_angel.gif" alt="Angel" /> </td></tr></table><table><tr><td><a href="http://www.twistedpearaudio.com/forum/posts/m26223-crackle-with-24bit-192khz#post26223" ><img src="http://www.twistedpearaudio.com/forum/Themes/GreyGrey/icon_newest_reply.png" alt ="Go to last post" title ="Go to last post" /></a></td></tr><table>2021-10-17T12:16:35-07:002021-10-17T12:16:35-07:00maxpou<table class="content postContainer_Alt" width="100%"><tr><td>Hi Brian,<br />finally i found my problem. It was my cable between my streamer and my dac. I had a good interconnect but not a digital cable 75 ohms. when i tried with a old digital video cable 75 ohms pheonix gold of 2 meters lenght, my problem disapear. thank you! Maxpou<img src="/forum/Images/Emoticons/eusa_angel.gif" alt="Angel" /> </td></tr></table><table><tr><td><a href="http://www.twistedpearaudio.com/forum/posts/m26223-crackle-with-24bit-192khz#post26223" ><img src="http://www.twistedpearaudio.com/forum/Themes/GreyGrey/icon_newest_reply.png" alt ="Go to last post" title ="Go to last post" /></a></td></tr><table>urn:twistedpearaudio-com:ftTopics:st1:tid4271:lmid26192:1Cronus > S/PDIF Transceiver problem<table class="content postContainer_Alt" width="100%"><tr><td><br />You will also need master clock out of the Cronus connected to SCK. Are the boards sharing a ground? If not, you will need to connect that as well.<br /><br /></td></tr></table><table><tr><td><a href="http://www.twistedpearaudio.com/forum/posts/m26192-Cronus--S-PDIF-Transceiver-problem#post26192" ><img src="http://www.twistedpearaudio.com/forum/Themes/GreyGrey/icon_newest_reply.png" alt ="Go to last post" title ="Go to last post" /></a></td></tr><table>2021-08-04T14:39:18-07:002021-08-04T14:39:18-07:00Brian Donegan<table class="content postContainer_Alt" width="100%"><tr><td><br />You will also need master clock out of the Cronus connected to SCK. Are the boards sharing a ground? If not, you will need to connect that as well.<br /><br /></td></tr></table><table><tr><td><a href="http://www.twistedpearaudio.com/forum/posts/m26192-Cronus--S-PDIF-Transceiver-problem#post26192" ><img src="http://www.twistedpearaudio.com/forum/Themes/GreyGrey/icon_newest_reply.png" alt ="Go to last post" title ="Go to last post" /></a></td></tr><table>urn:twistedpearaudio-com:ftTopics:st1:tid4250:lmid26100:1Problem with S/PDIF Transceiver and OTTO-II switch<table class="content postContainer_Alt" width="100%"><tr><td>Interesting. My guess is a ground loop?</td></tr></table><table><tr><td><a href="http://www.twistedpearaudio.com/forum/posts/m26100-Problem-with-S-PDIF-Transceiver-and-OTTO-II-switch#post26100" ><img src="http://www.twistedpearaudio.com/forum/Themes/GreyGrey/icon_newest_reply.png" alt ="Go to last post" title ="Go to last post" /></a></td></tr><table>2021-03-11T19:35:04-07:002021-03-11T19:35:04-07:00Brian Donegan<table class="content postContainer_Alt" width="100%"><tr><td>Interesting. My guess is a ground loop?</td></tr></table><table><tr><td><a href="http://www.twistedpearaudio.com/forum/posts/m26100-Problem-with-S-PDIF-Transceiver-and-OTTO-II-switch#post26100" ><img src="http://www.twistedpearaudio.com/forum/Themes/GreyGrey/icon_newest_reply.png" alt ="Go to last post" title ="Go to last post" /></a></td></tr><table>urn:twistedpearaudio-com:ftTopics:st1:tid4227:lmid25976:1176.4 kHz Sampling Rate<table class="content postContainer_Alt" width="100%"><tr><td>Unfortunately not...<br /><br /><a target="_blank" rel="nofollow" href="http://www.twistedpearaudio.com/forum/posts/t266-176-4--kHz-Does-now-Work-with-WM8804-Transceiver" title="http://www.twistedpearaudio.com/forum/posts/t266-176-4--kHz-Does-now-Work-with-WM8804-Transceiver">http://www.twistedpearau...-with-WM8804-Transceiver</a><br /></td></tr></table><table><tr><td><a href="http://www.twistedpearaudio.com/forum/posts/m25976-176-4-kHz-Sampling-Rate#post25976" ><img src="http://www.twistedpearaudio.com/forum/Themes/GreyGrey/icon_newest_reply.png" alt ="Go to last post" title ="Go to last post" /></a></td></tr><table>2020-09-28T19:01:21-07:002020-09-28T19:01:21-07:00Brian Donegan<table class="content postContainer_Alt" width="100%"><tr><td>Unfortunately not...<br /><br /><a target="_blank" rel="nofollow" href="http://www.twistedpearaudio.com/forum/posts/t266-176-4--kHz-Does-now-Work-with-WM8804-Transceiver" title="http://www.twistedpearaudio.com/forum/posts/t266-176-4--kHz-Does-now-Work-with-WM8804-Transceiver">http://www.twistedpearau...-with-WM8804-Transceiver</a><br /></td></tr></table><table><tr><td><a href="http://www.twistedpearaudio.com/forum/posts/m25976-176-4-kHz-Sampling-Rate#post25976" ><img src="http://www.twistedpearaudio.com/forum/Themes/GreyGrey/icon_newest_reply.png" alt ="Go to last post" title ="Go to last post" /></a></td></tr><table>urn:twistedpearaudio-com:ftTopics:st1:tid4176:lmid25748:1WM8804 red leds<table class="content postContainer_Alt" width="100%"><tr><td>Hi Brian,<br /><br />You were right, the led's had been installed backwards, so it seems everything is functioning properly. I can continue with my build.<br /><br />Thanks,<br /><br />Paul</td></tr></table><table><tr><td><a href="http://www.twistedpearaudio.com/forum/posts/m25748-WM8804-red-leds#post25748" ><img src="http://www.twistedpearaudio.com/forum/Themes/GreyGrey/icon_newest_reply.png" alt ="Go to last post" title ="Go to last post" /></a></td></tr><table>2019-10-04T14:59:42-07:002019-10-04T14:59:42-07:00PJN<table class="content postContainer_Alt" width="100%"><tr><td>Hi Brian,<br /><br />You were right, the led's had been installed backwards, so it seems everything is functioning properly. I can continue with my build.<br /><br />Thanks,<br /><br />Paul</td></tr></table><table><tr><td><a href="http://www.twistedpearaudio.com/forum/posts/m25748-WM8804-red-leds#post25748" ><img src="http://www.twistedpearaudio.com/forum/Themes/GreyGrey/icon_newest_reply.png" alt ="Go to last post" title ="Go to last post" /></a></td></tr><table>urn:twistedpearaudio-com:ftTopics:st1:tid3982:lmid25736:1Optical I/O for WM8804 Board<table class="content postContainer_Alt" width="100%"><tr><td>Yes, though you would want to remove R1 and jumper C10. I could do that when I build it though.</td></tr></table><table><tr><td><a href="http://www.twistedpearaudio.com/forum/posts/m25736-Optical-I-O-for-WM8804-Board#post25736" ><img src="http://www.twistedpearaudio.com/forum/Themes/GreyGrey/icon_newest_reply.png" alt ="Go to last post" title ="Go to last post" /></a></td></tr><table>2019-08-26T17:10:57-07:002019-08-26T17:10:57-07:00Brian Donegan<table class="content postContainer_Alt" width="100%"><tr><td>Yes, though you would want to remove R1 and jumper C10. I could do that when I build it though.</td></tr></table><table><tr><td><a href="http://www.twistedpearaudio.com/forum/posts/m25736-Optical-I-O-for-WM8804-Board#post25736" ><img src="http://www.twistedpearaudio.com/forum/Themes/GreyGrey/icon_newest_reply.png" alt ="Go to last post" title ="Go to last post" /></a></td></tr><table>urn:twistedpearaudio-com:ftTopics:st1:tid4128:lmid25497:1Toslink module no lock<table class="content postContainer_Alt" width="100%"><tr><td>Hm okay,<br /><br />I'm starting to understand why I omitted the Toslink module again a view years ago.<br /><br />The S/PDif Auto detect (Dip Sw 2:5) needs to be bypassed because, when used, it causes dropouts on the I2S/ Teleporter input.<br /><br />But the Toslink requires this setting to be used...<br /><br />I'm gonna quit my renewed attempts to use the Toslink module again.<br /><br />I don't know how to do it yet but maybe I can use the HDMI input of the Raspberry Pi as an audio passthrough from my TV settopbox to USB audio out...</td></tr></table><table><tr><td><a href="http://www.twistedpearaudio.com/forum/posts/m25497-Toslink-module-no-lock#post25497" ><img src="http://www.twistedpearaudio.com/forum/Themes/GreyGrey/icon_newest_reply.png" alt ="Go to last post" title ="Go to last post" /></a></td></tr><table>2018-11-09T23:37:07-07:002018-11-09T23:37:07-07:00Jordo<table class="content postContainer_Alt" width="100%"><tr><td>Hm okay,<br /><br />I'm starting to understand why I omitted the Toslink module again a view years ago.<br /><br />The S/PDif Auto detect (Dip Sw 2:5) needs to be bypassed because, when used, it causes dropouts on the I2S/ Teleporter input.<br /><br />But the Toslink requires this setting to be used...<br /><br />I'm gonna quit my renewed attempts to use the Toslink module again.<br /><br />I don't know how to do it yet but maybe I can use the HDMI input of the Raspberry Pi as an audio passthrough from my TV settopbox to USB audio out...</td></tr></table><table><tr><td><a href="http://www.twistedpearaudio.com/forum/posts/m25497-Toslink-module-no-lock#post25497" ><img src="http://www.twistedpearaudio.com/forum/Themes/GreyGrey/icon_newest_reply.png" alt ="Go to last post" title ="Go to last post" /></a></td></tr><table>urn:twistedpearaudio-com:ftTopics:st1:tid4093:lmid25356:1SPDIF crackle when transport reset<table class="content postContainer_Alt" width="100%"><tr><td>I have noticed that the SPDIF rx module, (configured as SPDIF in, I2s out) will pass what I consider junk data, and the Opus then tries to process it resulting in a static/crackle noise through the speakers. <br /><br />And of the 4 LED's on the SPDIF module, only 3 seem to react as I would expect. Even if the transport, or CDplayer is powered off, I still see the LED labeled NONAUDIO as lit up green... That seems odd to me. should it not go RED when the player is off, stopped, paused etc? <br /><br />I'd expect that would be the path to engage the muting circuit in the Opus Dac? <br /><br />Has anyone happily deployed a mute scheme on Opus? I am using Volumite BTW.<br /><br />In full disclosure, a couple other DAC's I have that are of another brand, but still employ the WM8804 rx chip, they all crackle and sputter when changing a CD or power cycle the player. This isnt really a TP issue so much as the IC's behaviour I suspect... But do other users of the SPDIF rx have their NONAUDIO led go red when the tra</td></tr></table><table><tr><td><a href="http://www.twistedpearaudio.com/forum/posts/m25356-SPDIF-crackle-when-transport-reset#post25356" ><img src="http://www.twistedpearaudio.com/forum/Themes/GreyGrey/icon_newest_reply.png" alt ="Go to last post" title ="Go to last post" /></a></td></tr><table>2018-06-05T19:34:09-07:002018-06-05T19:34:09-07:00SteveMiller929<table class="content postContainer_Alt" width="100%"><tr><td>I have noticed that the SPDIF rx module, (configured as SPDIF in, I2s out) will pass what I consider junk data, and the Opus then tries to process it resulting in a static/crackle noise through the speakers. <br /><br />And of the 4 LED's on the SPDIF module, only 3 seem to react as I would expect. Even if the transport, or CDplayer is powered off, I still see the LED labeled NONAUDIO as lit up green... That seems odd to me. should it not go RED when the player is off, stopped, paused etc? <br /><br />I'd expect that would be the path to engage the muting circuit in the Opus Dac? <br /><br />Has anyone happily deployed a mute scheme on Opus? I am using Volumite BTW.<br /><br />In full disclosure, a couple other DAC's I have that are of another brand, but still employ the WM8804 rx chip, they all crackle and sputter when changing a CD or power cycle the player. This isnt really a TP issue so much as the IC's behaviour I suspect... But do other users of the SPDIF rx have their NONAUDIO led go red when the tra</td></tr></table><table><tr><td><a href="http://www.twistedpearaudio.com/forum/posts/m25356-SPDIF-crackle-when-transport-reset#post25356" ><img src="http://www.twistedpearaudio.com/forum/Themes/GreyGrey/icon_newest_reply.png" alt ="Go to last post" title ="Go to last post" /></a></td></tr><table>urn:twistedpearaudio-com:ftTopics:st1:tid3980:lmid25078:1Using your WM8804 card to get Ultranet audio into a Raspberry Pi?<table class="content postContainer_Alt" width="100%"><tr><td><div class="quote"><span class="quotetitle">Originally Posted by: ramsbod <a href="/forum/posts/m25077-Using-your-WM8804-card-to-get-Ultranet-audio-into-a-Raspberry-Pi#post25077"><img src="/forum/Themes/GreyGrey/icon_latest_reply.png" title="Go to Quoted Post" alt="Go to Quoted Post" /></a></span><blockquote>Did you get this right? I would like to do the same thing. The Behringer personal monitors are too expensive.</div></div><br /><br />I did not. I decided it was way too ambitious. Instead I went with a six-channel headphone amp and some mono-balanced-to-stereo-unbalanced adapter cables so I could do six band mixes of shared stereo and individual "me".</td></tr></table><table><tr><td><a href="http://www.twistedpearaudio.com/forum/posts/m25078-Using-your-WM8804-card-to-get-Ultranet-audio-into-a-Raspberry-Pi#post25078" ><img src="http://www.twistedpearaudio.com/forum/Themes/GreyGrey/icon_newest_reply.png" alt ="Go to last post" title ="Go to last post" /></a></td></tr><table>2017-10-26T17:39:55-07:002017-10-26T17:39:55-07:00simoneves<table class="content postContainer_Alt" width="100%"><tr><td><div class="quote"><span class="quotetitle">Originally Posted by: ramsbod <a href="/forum/posts/m25077-Using-your-WM8804-card-to-get-Ultranet-audio-into-a-Raspberry-Pi#post25077"><img src="/forum/Themes/GreyGrey/icon_latest_reply.png" title="Go to Quoted Post" alt="Go to Quoted Post" /></a></span><blockquote>Did you get this right? I would like to do the same thing. The Behringer personal monitors are too expensive.</div></div><br /><br />I did not. I decided it was way too ambitious. Instead I went with a six-channel headphone amp and some mono-balanced-to-stereo-unbalanced adapter cables so I could do six band mixes of shared stereo and individual "me".</td></tr></table><table><tr><td><a href="http://www.twistedpearaudio.com/forum/posts/m25078-Using-your-WM8804-card-to-get-Ultranet-audio-into-a-Raspberry-Pi#post25078" ><img src="http://www.twistedpearaudio.com/forum/Themes/GreyGrey/icon_newest_reply.png" alt ="Go to last post" title ="Go to last post" /></a></td></tr><table>urn:twistedpearaudio-com:ftTopics:st1:tid4011:lmid25067:1Transceiver with TDA1543<table class="content postContainer_Alt" width="100%"><tr><td>No, the chip operated in hardware mode, and configuration is controlled by the tri-state DIP switches on the board. All the supported configuration options are detailed in the user manual.<br /><br />AIF/MS switch toggles Master/Slave mode of the MCK (Master Clock). + (1) is Master Mode, - (0) is Slave Mode.<br />TXSRC switch toggle whether the board is an S/PDIF Receiver (outputting I2S) or S/PDIF Transmitter (inputting I2S data)<br />AIFCONF1 / AIDCONF0 Control Work length and justification (see page 19 of the datasheet)<br /><br />Right-justified I2S is just a different flavor of I2S, where the data bits are right justified, rather than left-justified, in the 16- or 24-bit words. You will need to consult the Datasheet of your DAC chip to see what it requires.</td></tr></table><table><tr><td><a href="http://www.twistedpearaudio.com/forum/posts/m25067-Transceiver-with-TDA1543#post25067" ><img src="http://www.twistedpearaudio.com/forum/Themes/GreyGrey/icon_newest_reply.png" alt ="Go to last post" title ="Go to last post" /></a></td></tr><table>2017-10-18T17:43:01-07:002017-10-18T17:43:01-07:00Brian Donegan<table class="content postContainer_Alt" width="100%"><tr><td>No, the chip operated in hardware mode, and configuration is controlled by the tri-state DIP switches on the board. All the supported configuration options are detailed in the user manual.<br /><br />AIF/MS switch toggles Master/Slave mode of the MCK (Master Clock). + (1) is Master Mode, - (0) is Slave Mode.<br />TXSRC switch toggle whether the board is an S/PDIF Receiver (outputting I2S) or S/PDIF Transmitter (inputting I2S data)<br />AIFCONF1 / AIDCONF0 Control Work length and justification (see page 19 of the datasheet)<br /><br />Right-justified I2S is just a different flavor of I2S, where the data bits are right justified, rather than left-justified, in the 16- or 24-bit words. You will need to consult the Datasheet of your DAC chip to see what it requires.</td></tr></table><table><tr><td><a href="http://www.twistedpearaudio.com/forum/posts/m25067-Transceiver-with-TDA1543#post25067" ><img src="http://www.twistedpearaudio.com/forum/Themes/GreyGrey/icon_newest_reply.png" alt ="Go to last post" title ="Go to last post" /></a></td></tr><table>urn:twistedpearaudio-com:ftTopics:st1:tid3944:lmid24704:1WM8804 module - minidsp - clock<table class="content postContainer_Alt" width="100%"><tr><td>Great question - the honest answer is - I don't know... But if it were me I would try using the stock clock with no changes in master mode.<br /><br />I can only point you here:<br /><br /><a target="_blank" rel="nofollow" href="https://www.cirrus.com/en/pubs/proDatasheet/WM8804_v4.5.pdf" title="https://www.cirrus.com/en/pubs/proDatasheet/WM8804_v4.5.pdf">https://www.cirrus.com/e...atasheet/WM8804_v4.5.pdf</a></td></tr></table><table><tr><td><a href="http://www.twistedpearaudio.com/forum/posts/m24704-WM8804-module---minidsp---clock#post24704" ><img src="http://www.twistedpearaudio.com/forum/Themes/GreyGrey/icon_newest_reply.png" alt ="Go to last post" title ="Go to last post" /></a></td></tr><table>2016-11-27T02:25:50-07:002016-11-27T02:25:50-07:00Russ White<table class="content postContainer_Alt" width="100%"><tr><td>Great question - the honest answer is - I don't know... But if it were me I would try using the stock clock with no changes in master mode.<br /><br />I can only point you here:<br /><br /><a target="_blank" rel="nofollow" href="https://www.cirrus.com/en/pubs/proDatasheet/WM8804_v4.5.pdf" title="https://www.cirrus.com/en/pubs/proDatasheet/WM8804_v4.5.pdf">https://www.cirrus.com/e...atasheet/WM8804_v4.5.pdf</a></td></tr></table><table><tr><td><a href="http://www.twistedpearaudio.com/forum/posts/m24704-WM8804-module---minidsp---clock#post24704" ><img src="http://www.twistedpearaudio.com/forum/Themes/GreyGrey/icon_newest_reply.png" alt ="Go to last post" title ="Go to last post" /></a></td></tr><table>urn:twistedpearaudio-com:ftTopics:st1:tid3866:lmid24213:1S/PDIF Transceiver module available<table class="content postContainer_Alt" width="100%"><tr><td>New batch of boards just arrived. I will be building some up tonight, so I will make them available now.</td></tr></table><table><tr><td><a href="http://www.twistedpearaudio.com/forum/posts/m24213-S-PDIF-Transceiver-module-available#post24213" ><img src="http://www.twistedpearaudio.com/forum/Themes/GreyGrey/icon_newest_reply.png" alt ="Go to last post" title ="Go to last post" /></a></td></tr><table>2016-04-26T15:23:40-07:002016-04-26T15:23:40-07:00Brian Donegan<table class="content postContainer_Alt" width="100%"><tr><td>New batch of boards just arrived. I will be building some up tonight, so I will make them available now.</td></tr></table><table><tr><td><a href="http://www.twistedpearaudio.com/forum/posts/m24213-S-PDIF-Transceiver-module-available#post24213" ><img src="http://www.twistedpearaudio.com/forum/Themes/GreyGrey/icon_newest_reply.png" alt ="Go to last post" title ="Go to last post" /></a></td></tr><table>urn:twistedpearaudio-com:ftTopics:st1:tid3815:lmid23760:1Connection to Amanero<table class="content postContainer_Alt" width="100%"><tr><td>I take back what I just said. The WM8804 should not require an MCK input to act as an S/PDIF transmitter.<br /><br />So, you can try this:<br /><br />From the Hermes Output:<br /><br />DCK_OUT (Pin 1) -> BCK<br />D1_OUT (Pin 2) -> LRCK<br />D2_OUT (Pin 3) -> DATA<br />GND (any) -> GND<br /><br />Than tap power 3.3V from C3 (carefully). <br /><br /></td></tr></table><table><tr><td><a href="http://www.twistedpearaudio.com/forum/posts/m23760-Connection-to-Amanero#post23760" ><img src="http://www.twistedpearaudio.com/forum/Themes/GreyGrey/icon_newest_reply.png" alt ="Go to last post" title ="Go to last post" /></a></td></tr><table>2016-02-08T23:00:42-07:002016-02-08T23:00:42-07:00Brian Donegan<table class="content postContainer_Alt" width="100%"><tr><td>I take back what I just said. The WM8804 should not require an MCK input to act as an S/PDIF transmitter.<br /><br />So, you can try this:<br /><br />From the Hermes Output:<br /><br />DCK_OUT (Pin 1) -> BCK<br />D1_OUT (Pin 2) -> LRCK<br />D2_OUT (Pin 3) -> DATA<br />GND (any) -> GND<br /><br />Than tap power 3.3V from C3 (carefully). <br /><br /></td></tr></table><table><tr><td><a href="http://www.twistedpearaudio.com/forum/posts/m23760-Connection-to-Amanero#post23760" ><img src="http://www.twistedpearaudio.com/forum/Themes/GreyGrey/icon_newest_reply.png" alt ="Go to last post" title ="Go to last post" /></a></td></tr><table>urn:twistedpearaudio-com:ftTopics:st1:tid3752:lmid23507:1S/PDIF Transceiver, no lights?<table class="content postContainer_Alt" width="100%"><tr><td>Thanks!<br /><br />I will order the missing parts as well from digikey so I will have 2 boards! ;)</td></tr></table><table><tr><td><a href="http://www.twistedpearaudio.com/forum/posts/m23507-S-PDIF-Transceiver--no-lights#post23507" ><img src="http://www.twistedpearaudio.com/forum/Themes/GreyGrey/icon_newest_reply.png" alt ="Go to last post" title ="Go to last post" /></a></td></tr><table>2015-11-18T19:23:26-07:002015-11-18T19:23:26-07:00peter_pressure<table class="content postContainer_Alt" width="100%"><tr><td>Thanks!<br /><br />I will order the missing parts as well from digikey so I will have 2 boards! ;)</td></tr></table><table><tr><td><a href="http://www.twistedpearaudio.com/forum/posts/m23507-S-PDIF-Transceiver--no-lights#post23507" ><img src="http://www.twistedpearaudio.com/forum/Themes/GreyGrey/icon_newest_reply.png" alt ="Go to last post" title ="Go to last post" /></a></td></tr><table>urn:twistedpearaudio-com:ftTopics:st1:tid3707:lmid23252:18804 SPDIF -> Metronome I2S -> 8804 SPDIF<table class="content postContainer_Alt" width="100%"><tr><td>I can only refer you to the datasheets I really have not tried that scenario. </td></tr></table><table><tr><td><a href="http://www.twistedpearaudio.com/forum/posts/m23252-8804-SPDIF---Metronome-I2S---8804-SPDIF#post23252" ><img src="http://www.twistedpearaudio.com/forum/Themes/GreyGrey/icon_newest_reply.png" alt ="Go to last post" title ="Go to last post" /></a></td></tr><table>2015-10-14T21:15:09-07:002015-10-14T21:15:09-07:00Russ White<table class="content postContainer_Alt" width="100%"><tr><td>I can only refer you to the datasheets I really have not tried that scenario. </td></tr></table><table><tr><td><a href="http://www.twistedpearaudio.com/forum/posts/m23252-8804-SPDIF---Metronome-I2S---8804-SPDIF#post23252" ><img src="http://www.twistedpearaudio.com/forum/Themes/GreyGrey/icon_newest_reply.png" alt ="Go to last post" title ="Go to last post" /></a></td></tr><table>urn:twistedpearaudio-com:ftTopics:st1:tid3687:lmid23153:1S/PDIF Transceiver<table class="content postContainer_Alt" width="100%"><tr><td>Didn't realize your dac is 20 bit. No idea what would happen if you give it 24 or 16 bit input. But the above analysis still stands.</td></tr></table><table><tr><td><a href="http://www.twistedpearaudio.com/forum/posts/m23153-S-PDIF-Transceiver#post23153" ><img src="http://www.twistedpearaudio.com/forum/Themes/GreyGrey/icon_newest_reply.png" alt ="Go to last post" title ="Go to last post" /></a></td></tr><table>2015-09-29T16:57:33-07:002015-09-29T16:57:33-07:00vladimirb0b<table class="content postContainer_Alt" width="100%"><tr><td>Didn't realize your dac is 20 bit. No idea what would happen if you give it 24 or 16 bit input. But the above analysis still stands.</td></tr></table><table><tr><td><a href="http://www.twistedpearaudio.com/forum/posts/m23153-S-PDIF-Transceiver#post23153" ><img src="http://www.twistedpearaudio.com/forum/Themes/GreyGrey/icon_newest_reply.png" alt ="Go to last post" title ="Go to last post" /></a></td></tr><table>urn:twistedpearaudio-com:ftTopics:st1:tid3428:lmid22724:1USBStreamer to 4 x SPFDIF Transceivers<table class="content postContainer_Alt" width="100%"><tr><td>Hello,<br /><br />I would also like to use the S/PDIF-transceiver to transform the i2s signal of the minidsp usbstreamer to a s/pdif signal.<br />If I could use it for this task I would need 4 of them because the usbstreamer has 4 i2s outputs.<br />I already had a look into the manual, but I still have some questions.<br />According to the manual I should configure the transceiver as follows:<br /><br />AIF/MS 1<br />TXSRC 1<br />AIFCONF1 0<br />AIFCONF0 1<br /><br />Is this correct?<br /><br />The minidsp usbstreamer can only be configured as master and I would connect the clock lines as follows:<br /><br />usbstreamer -> s/pdif transceiver <br />MCLK out -> SCK AIF terminal<br />LRCK out -> LRCK AIF terminal<br />SCLK out -> BCK AIF terminal<br /><br />Is this also correct?<br /><br />The s/pdif transceiver must run in slave mode since the clocks are provided by the usbstreamer. Is the transceiver running in slave mode, when I configure it like I described it above?<br /><br />best regards<br />Alex<br /><br /><br /></td></tr></table><table><tr><td><a href="http://www.twistedpearaudio.com/forum/posts/m22724-USBStreamer-to-4-x-SPFDIF-Transceivers#post22724" ><img src="http://www.twistedpearaudio.com/forum/Themes/GreyGrey/icon_newest_reply.png" alt ="Go to last post" title ="Go to last post" /></a></td></tr><table>2015-05-25T08:53:57-07:002015-05-25T08:53:57-07:00alex6679<table class="content postContainer_Alt" width="100%"><tr><td>Hello,<br /><br />I would also like to use the S/PDIF-transceiver to transform the i2s signal of the minidsp usbstreamer to a s/pdif signal.<br />If I could use it for this task I would need 4 of them because the usbstreamer has 4 i2s outputs.<br />I already had a look into the manual, but I still have some questions.<br />According to the manual I should configure the transceiver as follows:<br /><br />AIF/MS 1<br />TXSRC 1<br />AIFCONF1 0<br />AIFCONF0 1<br /><br />Is this correct?<br /><br />The minidsp usbstreamer can only be configured as master and I would connect the clock lines as follows:<br /><br />usbstreamer -> s/pdif transceiver <br />MCLK out -> SCK AIF terminal<br />LRCK out -> LRCK AIF terminal<br />SCLK out -> BCK AIF terminal<br /><br />Is this also correct?<br /><br />The s/pdif transceiver must run in slave mode since the clocks are provided by the usbstreamer. Is the transceiver running in slave mode, when I configure it like I described it above?<br /><br />best regards<br />Alex<br /><br /><br /></td></tr></table><table><tr><td><a href="http://www.twistedpearaudio.com/forum/posts/m22724-USBStreamer-to-4-x-SPFDIF-Transceivers#post22724" ><img src="http://www.twistedpearaudio.com/forum/Themes/GreyGrey/icon_newest_reply.png" alt ="Go to last post" title ="Go to last post" /></a></td></tr><table>urn:twistedpearaudio-com:ftTopics:st1:tid3628:lmid22689:1Soundcard with AES/EBU output<table class="content postContainer_Alt" width="100%"><tr><td>You could use a voltage divider (two resistors) to drop the signal voltage from 5V (AES/EBU) down to consumer S/PDIF level (0.5V).</td></tr></table><table><tr><td><a href="http://www.twistedpearaudio.com/forum/posts/m22689-Soundcard-with-AES-EBU-output#post22689" ><img src="http://www.twistedpearaudio.com/forum/Themes/GreyGrey/icon_newest_reply.png" alt ="Go to last post" title ="Go to last post" /></a></td></tr><table>2015-05-11T19:22:55-07:002015-05-11T19:22:55-07:00Brian Donegan<table class="content postContainer_Alt" width="100%"><tr><td>You could use a voltage divider (two resistors) to drop the signal voltage from 5V (AES/EBU) down to consumer S/PDIF level (0.5V).</td></tr></table><table><tr><td><a href="http://www.twistedpearaudio.com/forum/posts/m22689-Soundcard-with-AES-EBU-output#post22689" ><img src="http://www.twistedpearaudio.com/forum/Themes/GreyGrey/icon_newest_reply.png" alt ="Go to last post" title ="Go to last post" /></a></td></tr><table>urn:twistedpearaudio-com:ftTopics:st1:tid3177:lmid22166:1Receiver no lights on at all<table class="content postContainer_Alt" width="100%"><tr><td>Equal voltage direction is what you are looking for, so it seems the Unlock and GenFlag leds are now backwards )-2V should be red).</td></tr></table><table><tr><td><a href="http://www.twistedpearaudio.com/forum/posts/m22166-Receiver-no-lights-on-at-all#post22166" ><img src="http://www.twistedpearaudio.com/forum/Themes/GreyGrey/icon_newest_reply.png" alt ="Go to last post" title ="Go to last post" /></a></td></tr><table>2015-01-15T18:14:11-07:002015-01-15T18:14:11-07:00Brian Donegan<table class="content postContainer_Alt" width="100%"><tr><td>Equal voltage direction is what you are looking for, so it seems the Unlock and GenFlag leds are now backwards )-2V should be red).</td></tr></table><table><tr><td><a href="http://www.twistedpearaudio.com/forum/posts/m22166-Receiver-no-lights-on-at-all#post22166" ><img src="http://www.twistedpearaudio.com/forum/Themes/GreyGrey/icon_newest_reply.png" alt ="Go to last post" title ="Go to last post" /></a></td></tr><table>