2 OSSC Audio questions

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  • #25658
    bmp02
    Participant

    Hi there,
    Two questions regarding audio and OSSC.

    * I have a NESRGB modded NES with separate rgb and audio outputs, as recommended by etim. However, am I correct that OSSC does not have an audio input for scart input (#1)? Then, is the only option to route audio to scart inside the NES after all?

    * When I connect OSSC audio out 1 to my amplifier, I notice that my tv’s delay results in amplifier audio being pretty out of sync. Is there, or will there be, any audio out delay option inside the OSSC settings? Can’t seem to find.

    Thank you!

    #25661
    nmalinoski
    Participant

    1. The OSSC takes audio over the SCART cable, as SCART was designed to carry both video and audio, so there is [generally] no need to include a separate audio input. There are a few approaches you can take to handling audio here:
    a. Bypass the OSSC and route audio directly to your amp or TV;
    b. Inject audio into SCART at the OSSC end using something like this;
    c. Get a new SCART cable from somewhere like Retro-Access that has an audio connections on the console end;
    d. Connect audio to the 8-pin DIN and hope your SCART cable is wired for audio; or
    e. Ditch your existing AV outputs for a Nintendo AV Multi-out port (pictured here), which includes both audio and video.

    2. I don’t believe the OSSC hardware has the capability to buffer audio, so I don’t believe we’re ever going to see audio delay functionality on the current revision. You’d need to either take care of it on your TV, or bypass your TV and run audio straight from the NES to your amp, or look into an audio extractor that can send video to your TV and audio to your amp.

    #25663
    bmp02
    Participant

    Thanks for the elaborate answer!

    I see the Retro Access cables actually input the audio at the console side, which absolutely makes no sense if you’ve decided to go for a separate NES audio output. However, that Scart adapter you’ve linked to, that might actually be a great solution.
    Also, I read in the Retrogamingcables Pakapunch product description (that’s the cable I’ve bought) that there should be enough shielding to route audio through the cable anyway.

    So what I’ll probably do, is route the audio through Scart, but via a switch, so I can switch it off whenever I feel the need to use an external audio cable anyway.

    #25664
    nmalinoski
    Participant

    I see the Retro Access cables actually input the audio at the console side, which absolutely makes no sense if you’ve decided to go for a separate NES audio output. However, that Scart adapter you’ve linked to, that might actually be a great solution.
    Also, I read in the Retrogamingcables Pakapunch product description (that’s the cable I’ve bought) that there should be enough shielding to route audio through the cable anyway.

    No, it makes perfect sense, because SCART was designed to carry all of RGB, composite video, and stereo audio, and a good, shielded cable will do that without noticeable interference, which is what the Retro-Access and RGC Packapunch cables will do.

    According to the NESRGB documentation (here, under Other Notes), the only reason to not route audio through the 8-pin DIN appears to be so you can cheap out on the AV cable; meaning you should be perfectly fine running RGB and audio through the 8-pin DIN so long as you have a decent, shielded AV cable.

    As for the SCART shim, I would only treat that as a bandage until you find a better solution. One of those should work, but, being so cheap, are likely very poorly manufactured.

    #25665
    bmp02
    Participant

    No, it makes perfect sense, because SCART was designed to carry all of RGB, composite video, and stereo audio, and a good, shielded cable will do that without noticeable interference, which is what the Retro-Access and RGC Packapunch cables will do.

    That’s not what I meant. I know Scart is designed to carry all of that signal. I just mean, I can’t think of any reason to not route audio to Scart but to a separate output instead, and then buy a cable to input that same audio again at the console side of the cable.
    That doesn’t make any sense to me, it would make the cnoice for a separate audio output instead of audio via Scart a pretty strange one.

    Ok, so I’ll just wire audio directly to the DIN and trust that’ll be fine!
    Thanks.

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