S/PDIF output

parody · Post by **parody** » Tue Nov 15, 2011 9:23 pm

Well I got a powerd hub and it hasnt helped.

I also checked the check_snd() function and it is identical to that list apart from "IEC958" says "Speaker", whether set to Internal sound or USB sound using P'n'P

This is the soundcard I have which is a CMedia 6206 / CM106:
http://www.ebay.co.uk/itm/NEW-USB-6-Cha ... 19c5607b3a

Can anyone link to a soundcard they know works for a reasonable price? I quite like this one to get coaxial spdif:

http://www.ebay.co.uk/itm/FANMUSIC-FM-6 ... 3cbb6a691b

but have zero confidence in that working!

gegs · Post by **gegs** » Wed Nov 16, 2011 12:23 am

I wish I could post a link to the soundcard I have with optical out, but I haven't been able to find it on the web. I bought it years ago and it is actually a C-Media VOIP phone handset with soundcard function and S/PDIF out. It was dirt cheap but I can't find it, or an equivalent.

I would echo parody's plea for links to hardware that works. I would like to upgrade to something less ugly and it would also save others from making worthless purchases (I nearly bought the card that parody links to.)

ARJunior · Post by **ARJunior** » Wed Nov 16, 2011 5:20 pm

parody wrote:Well I got a powerd hub and it hasnt helped.

I also checked the check_snd() function and it is identical to that list apart from "IEC958" says "Speaker", whether set to Internal sound or USB sound using P'n'P

This is the soundcard I have which is a CMedia 6206 / CM106:
http://www.ebay.co.uk/itm/NEW-USB-6-Cha ... 19c5607b3a

Can anyone link to a soundcard they know works for a reasonable price? I quite like this one to get coaxial spdif:

http://www.ebay.co.uk/itm/FANMUSIC-FM-6 ... 3cbb6a691b

but have zero confidence in that working!

What returns 'amixer -c 1' command ?

parody · Post by **parody** » Thu Nov 17, 2011 8:34 am

With USB audio set in p'n'p and usb soundcard plugged in the following is returned

Simple mixer control 'PCM',0
Capabilities: cvolume cswitch cswitch-joined
Capture channels: Front Left - Front Right
Limits: Capture 0 - 6928
Front Left: Capture 4096 [59%] [-16.00dB] [on]
Front Right: Capture 4096 [59%] [-16.00dB] [on]
Simple mixer control 'PCM Capture Source',0
Capabilities: enum
Items: 'Mic' 'Input 1' 'Input 2' 'Mixer'
Item0: 'Mic'
Simple mixer control 'PCM',1
Capabilities: cvolume cswitch cswitch-joined
Capture channels: Front Left - Front Right
Limits: Capture 0 - 6928
Front Left: Capture 4096 [59%] [-16.00dB] [on]
Front Right: Capture 4096 [59%] [-16.00dB] [on]
Simple mixer control 'PCM',2
Capabilities: cswitch cswitch-joined
Capture channels: Mono
Mono: Capture [on]
Simple mixer control 'Mic',0
Capabilities: pvolume cvolume pswitch pswitch-joined cswitch cswitch-joined
Playback channels: Front Left - Front Right
Capture channels: Front Left - Front Right
Limits: Playback 0 - 8065 Capture 0 - 6928
Front Left: Playback 6144 [76%] [-24.00dB] [off] Capture 4096 [59%] [-16.00dB] [on]
Front Right: Playback 6144 [76%] [-24.00dB] [off] Capture 4096 [59%] [-16.00dB] [on]
Simple mixer control 'Speaker',0
Capabilities: pvolume pswitch pswitch-joined
Playback channels: Front Left - Front Right
Limits: Playback 0 - 8065
Mono:
Front Left: Playback 6144 [76%] [-24.00dB] [off]
Front Right: Playback 6144 [76%] [-24.00dB] [off]
Simple mixer control 'Speaker',1
Capabilities: pvolume pswitch pswitch-joined
Playback channels: Front Left - Front Right - Rear Left - Rear Right - Front Center - Woofer - Side Left - Side Right
Limits: Playback 0 - 197
Mono:
Front Left: Playback 196 [99%] [-1.65dB] [on]
Front Right: Playback 196 [99%] [-1.65dB] [on]
Rear Left: Playback 196 [99%] [-1.65dB] [on]
Rear Right: Playback 196 [99%] [-1.65dB] [on]
Front Center: Playback 196 [99%] [-1.65dB] [on]
Woofer: Playback 196 [99%] [-1.65dB] [on]
Side Left: Playback 196 [99%] [-1.65dB] [on]
Side Right: Playback 196 [99%] [-1.65dB] [on]

parody · Post by **parody** » Thu Nov 17, 2011 3:34 pm

Is no one else using usb audio? Considering it is very popular to use these as psuedo squeezebox touch's, I can't believe everyone is using internal speakers or the headphone socket!

ARJunior · Post by **ARJunior** » Thu Nov 17, 2011 6:48 pm

According to a member request, I've uploaded snapshots about SPDIF modification on Joggler.

Regards.

parody · Post by **parody** » Thu Nov 17, 2011 8:21 pm

This looks great.

Do you know if you can leave off the power and use a coaxial socket?

Post by **BuZz** » Thu Nov 17, 2011 8:32 pm

please could you add the spdif info and pictures to the wiki?

ARJunior · Post by **ARJunior** » Fri Nov 18, 2011 4:14 pm

parody wrote:This looks great.

Do you know if you can leave off the power and use a coaxial socket?

Yes, I think you can use coaxial socket instead of toslink one.

ARJunior · Post by **ARJunior** » Fri Nov 18, 2011 4:15 pm

BuZz wrote:please could you add the spdif info and pictures to the wiki?

No problem

I'll update the Wiki ASAP...

ARJunior · Post by **ARJunior** » Fri Nov 18, 2011 7:47 pm

All informations are available on the Wiki (Hardware modifications)
http://www.jogglerwiki.com/wiki/Internal_SPDIF_output

Regards.

Post by **hawsey** » Fri Nov 18, 2011 10:19 pm

Great stuff, thanks for adding this to the wiki AR. Does this mean i could buy a DAC without the need for a usb sound card? Is anyone using this mod like this and if so what model did you buy?
Cheers for this.

Post by **BuZz** » Fri Nov 18, 2011 10:48 pm

yeh thanks!

Mevi · Post by **Mevi** » Mon Nov 21, 2011 8:55 am

That's a tidy install. I have some optical sockets unused from my shuttle xpc if anyone wants them. I can put 'em in an envelope.

ARJunior, does the chip support microphone in, too? I have TabletPC working in XP and adding support for mic would be great.

ARJunior · Post by **ARJunior** » Mon Nov 21, 2011 4:02 pm

Mevi wrote:ARJunior, does the chip support microphone in, too? I have TabletPC working in XP and adding support for mic would be great.

Yes, STAC9202 supports stereo microphone too but I didn't take much attention as I've no need for it.
If I remember well, you can find microphone footprint on the PCB...maybe you can try it using this capture device :

Code: Select all

[ 0- 0]: digital audio capture

Regards.

Mevi · Post by **Mevi** » Mon Nov 21, 2011 8:57 pm

I'll check that out, thanks.

parody · Post by **parody** » Mon Nov 21, 2011 9:51 pm

So does any body have any USB soundcard suggestions?

ARJunior · Post by **ARJunior** » Mon Nov 21, 2011 10:16 pm

parody wrote:So does any body have any USB soundcard suggestions?

Before adding toslink socket on Joggler, I used this cheap usb sound card http://www.dealextreme.com/p/c-media-vi ... ongle-8978
C-Media CM108 chipset is used and you can easily add spdif output too (I've done it before modding the Joggler)

parody · Post by **parody** » Wed Nov 23, 2011 2:04 am

Are you suggesting more soldering required?!! Suppose it's less risky than doing it to the joggler directly. Do you have details of doing it?

It's a real shame there aren't more out there using USB spdif. It's the main reason I got the joggler, and I can't stand to use the headphone out with all my flac files!

parody · Post by **parody** » Wed Nov 23, 2011 1:19 pm

Well in the absence of suggestions I have ordered a CM108 usb soundcard (same as that linked to above) and found this data sheet, which suggests soldering to pin 1 for spdif and pin 14 for digital ground should give me the the RCA SPDIF I am after:

http://www.qsl.net/om3cph/sb/CM108_DataSheet_v1.6.pdf

Would rather solder on a £3 USB soundcard than directly on the joggler, just in case I slip.

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