Re: Odd DM multichannel audio issue (or do I not understand how the -DSP cards are supposed to work)?
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Zac,
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I¡¯m not running the Scaler into an input card.
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16x16 Input 1 -> TiVo Roamio HDMI into a DMC-4K-HD-DSP (HDCP2 version of the card)
16x16 Input 2 -> TiVo Edge HDMI input a DMC-4K-HD-DSP (HDCP2 version of the card)
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16x16 Output 2 -> DM-CO-HD ?HDBT into a DM-RMC-4K-SCALER-C, output of DM-RMC-4K-SCALER-C into a mid-range Samsung consumer display
16x16 Output 5 -> DM-CO-HD HDBT into a DM-RMC-4K-SCALER-C, output of DM-RMC-4K-SCALER-C into a DA for reasons then Cisco C60 HDMI input
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Despite the destination EDID being 2-channel (as configured on the DM input to the DM-RMC-4K-SCALER-C, and as reported by the Codec) it seems that for a few seconds
instead of the 2-channel downmix the full 6-channel audio stream is being sent to the outputs for a couple seconds leading to really ugly audio (it¡¯s kind of like listening to a dial up modem but with only the harsh edges and none of the sweet tones)
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Lincoln King-Cliby, CTS, DMC-E-4K/T/D
Commercial Market Director
Sr. Systems Architect | Crestron Certified Master Programmer (Diamond)
ControlWorks Consulting, LLC
Direct: (+1)440.771.4807 | Cleveland: (+1)440.449.1100? | Boston: (+1)508.695.0188 | DC: (+1)202.381.9070? | Fax: (+1)440.449.1106
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From: [email protected] [mailto:[email protected]]
On Behalf Of zac.sparrow@...
Sent: Thursday, May 19, 2022 10:17 PM
To: [email protected]
Subject: Re: [crestron] Odd DM multichannel audio issue (or do I not understand how the -DSP cards are supposed to work)?
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Why are you going Scaler and back to another input card? This makes no sense.
-DSP card will provide either the original multuchannel OR the downmixed stereo (determined by destination's EDID) streight to the destination.
Example:?
BluRay player is connected to Input 1 -DSP card with multi channel (LPCM or DTS-HD/DTrueHD) EDID.
On output 1, any card, you can have AVR getting the full stream. On output 3, any card, you can have a TV that accepts only 2ch stereo and it will get it, downconverted by the the sourse -DSP card.
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