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Author Topic: Parametric EQ and Mix Channels filter  (Read 2037 times)

mojave

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Parametric EQ and Mix Channels filter
« on: June 08, 2011, 10:05:34 am »

Quote
Version 16.0.102 - 9. NEW: Added the ability to move, copy, add, and swap channels to DSP Studio > Parametric Equalizer (use 'Mix channels' filter).

When the subwoofer is added to another channel, are the levels automatically adjusted? You can't add 10 dB to the subwoofer using the Parametric EQ before adding the sub to another channel if you are still using a subwoofer. Once it is mixed you obviously can't change it.
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Matt

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Re: Parametric EQ and Mix Channels filter
« Reply #1 on: June 08, 2011, 10:07:29 am »

When the subwoofer is added to another channel, are the levels automatically adjusted? You can't add 10 dB to the subwoofer using the Parametric EQ before adding the sub to another channel if you are still using a subwoofer. Once it is mixed you obviously can't change it.

No level adjustment is performed when mixing.

It might be nice to be able to specify a gain or cut to apply to the channel being moved.
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Matt Ashland, JRiver Media Center

mojave

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Re: Parametric EQ and Mix Channels filter
« Reply #2 on: June 23, 2011, 10:30:56 am »

I was wondering if it was possible to have an option to mix channels to another zone? For those doing active crossovers or even multiple subwoofers, they might run out of outputs with their soundcard. With the ability to sync zones, I thought maybe one could just add another sound device and copy/mix channels to that device/zone. For example, someone (like nwboater  ;)) has a 7.1 channel soundcard and likes the sound quality. He might need 12 channels, though, to do an active crossover setup for his speakers and still have outputs for his subs.

Rather than buy a 12 channel firewire audio device with worse sound quality, it would be nice if he could use his current 8 channel sound card and just add another sound device for the extra channels. This could be added as an extra zone.

The mix channels could then have the option to mix to zone x, channel y. This zone would be automatically turned on if it was used in mix channels. With this method, the sound card could provide 2 3-way crossovers (mains) and two sub outputs. The 2nd sound device could provide another 3-way crossover (center) and maybe two more 2-way crossovers for the surrounds. Or the soundcard could provide 3 two-way crossovers and two sub outputs, etc. Since you are starting with a 7.1 soundcard, there shouldn't be any problem with channel routing from the original source.

Another use would be for someone with 4 subwoofers that need their own distance and gain settings. He could just add a 4-channel firewire device and copy the subwoofer channel to this second zone and perform distance, gain, and EQ per subwoofer.

Or what about the two-channel audiophile that wants advanced bass management and some subs. He can use his expensive USB DAC for the mains and add another DAC for the subwoofer(s). He could even run stereo subs with the mix options available now.

Hmm, now I'm wondering how an external two channel DAC would sound in my system (since I can also the phantom center feature). This "mix to zone" feature would allow me to use it for the mains for two channel listening and still use my soundcard for the subwoofer and surround channels for multi-channel listening. Great, I just thought of a feature that could potentially cost me more money!  ;D
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Matt

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Re: Parametric EQ and Mix Channels filter
« Reply #3 on: June 23, 2011, 10:42:19 am »

Outlook not good on cross-zone mixing.  Zones are intentionally independent.

Using two sound cards as a single big soundcard inside a single zone might be a nice feature, but it's probably beyond the scope of Media Center.  At least for a few years.
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Matt Ashland, JRiver Media Center

mojave

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Re: Parametric EQ and Mix Channels filter
« Reply #4 on: June 23, 2011, 11:08:05 am »

Outlook not good on cross-zone mixing.  Zones are intentionally independent.
Would it be possible to "play audio from video in multiple zones"? This option would actually make my request possible and also allow you to have the sound going to the kitchen or bathroom with just the video at the HTPC. Two things would be needed:  link zones for audio only and allow 7.1 channels to go to the second zone (even if it has less physical channels). JRSS could then be activated on the second zone to down mix for two channel output (or you could choose a different number of channels, like 4).

I think this is already possible if you are playing two channel music. I can setup a second zone and link to it. I can then add a high pass filters on the first zone and a low pass filters on the second zone. The first zone would be for the mains and the second zone would be for the subwoofers.
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Matt

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Re: Parametric EQ and Mix Channels filter
« Reply #5 on: June 23, 2011, 12:02:26 pm »

I think this is already possible if you are playing two channel music. I can setup a second zone and link to it. I can then add a high pass filters on the first zone and a low pass filters on the second zone. The first zone would be for the mains and the second zone would be for the subwoofers.

I wouldn't recommend ZoneLink for bi-amping.

The synchronization is good enough for having a few rooms play the same thing at a party, but it's not good enough for an audiophile listening room where a millisecond shift would be a problem.

I'd recommend getting a soundcard with a single clock that has enough outputs for your application.
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