Oddity Archive: Episode 242 - CX Audio Noise Reduction (The Hard Way)
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- Опубліковано 26 сер 2024
- Four months, three countries, two-hundred-plus dollars all in the name of…meh. Or, what Dolby was to cassette, CX was (supposed to be) for vinyl.
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"Slow irregular Throbbing" would be a great name for a Throbbing Gristle jazz cover band.
The Tape Play and Rec jacks on the CX decoder are for being able to decode a tape copy of a CX-encoded LP and to record the decoded output of LP playback to tape, not to serve as a CX encoder for tape recording. CX encoders were never sold to the general public, as CBS intended it to be a strictly playback-only system. And the amount of noise reduction on LaserDisc and CED version of CX was reduced from 20 to 14 dB, so that's another reason why a LaserDisc CX decoder can't be used with CX-encoded records.
So, still reviewing POS Crosleys? You do know nobody takes you seriously anymore, right?
I'm pretty sure that for every consumer music format there was a failed compander system that tried to make music "sound better", with limited results (remember HDCD? That one has to be the most baffling)
Fun fact, Herbie Hancock plays Electric piano on the first track of that Terumasa Hino album
I love how John Roberts was able to fill in the missing details. It's rare to be able to speak to original sources from 40+ years ago and get the information needed.
Thanks for another great season, Ben! Have a good summer and see you on the other side.
It was an interesting idea in concept, but execution was not there. I know I have seen the albums but never got one. Between you and Techmoan I now am glad I did not. Have a great summer
CX had a follow-up that was a much more successful noise-reduction system: CD.
Oddly enough, the problems flipped: With CX, the engineers and producers cared too much about the loss of dynamic range on a limited medium. With CD, they had all the range they could ever want, and abused the dynamics intentionally. Go figure, huh?
Your music on the noise reducer sounds so cool! It sounds like it could have been background music for the Twilight Zone, I love it!
I think Ben and Techmoan need to do a big collab, maybe work Clint from LGR in there somewhere. That would be an epic video. Love the stuff man, the nostalgia of everything. Keep up the amazing work and good luck with the next season.
Benny boy, Techmoan, and LGR, that would be a UA-cam poop trifecta
@@MrBillmcminn 🤣 😂 Yes it would, a trifecta I would watch 🤣
chemical consultant: NileRed
I only remember laserdiscs with CX. Never saw any LPs but I remember Toshiba had a couple receivers with it.
I totally get what you mean about Dolby B. I remember trying to replicate the decode process on a Dynamic EQ plugin and I actually got better results than the decoder built into my cassette deck
I must say the CX without decoding sounds great.
My late father had some technology like that. This felt so nostalgic even though I was a 2000s baby/kid.
I wasn’t even aware of this early stage of the “loudness wars”. Great, informative video. 👍🏼
Dang! $50 bucks to ship less than 3.5 pounds only to the next country, Canadia? And dang! That piggybacking chip setup is genius. Reminds me of me chipping my PlayStation1 back in 2001 so I could play * AHEM* "backups" and other region locked games on it. I was younger and more adventurous back then.
Leaving a half dead chip in the circuit is really not a good idea, especially when those LM13700s are still available.
New subscriber. Have you done anything on AM stereo? I'm a big supporter. To the point I own both receivers, and a transmitter for C-quam. There is a nearby station that is using that technology. There are others across the US, and the world. Not a lot, but they do exist.
It’s coming this Summer.
VWestlife has done videos about AM stereo, and Shango066 recently did a video taking a 1992 ford with a radio with an AM stereo decoder on a road trip to tune into one of the last stations broadcasting in AM stereo
Are we talking the analog AM Stereo or HD AM? I remember that my dad actually had one of those rare cars that came with the analog version of the 90s. It was impressive. Not quite FM quality but the additional sound separation made it sound way better than standard mono. Digital AM is even better with near FM quality in the sound. The only station that I can receive where I live is not quite strong enough to maintain a digital signal, but this helps to compare the difference in sound and boy is the difference dramatic! Ben, I know someone who did some audio archiving of analog AM stereo if you need someone with examples of it.
@@OddityArchive Great. Thank you. I'm going through your older stuff right now. I watched more than a couple of your videos, when they came out at the time. Liked, but didn't subscribe because it's rare I do.
We have a lot of common interests. I also own a few Ramsey transmitters, and a Blonder Tongue converter. My family rented an ON TV decoder in that day, and I eventually built a few of my own. First ON, for L.A., then Z, moved north and RX HBO.
@@MrBillmcminn Thank You
You should probably revisit TV sign-offs.
Funny, because my ears are now so old, and one is not working so well anymore (75% deaf in left,) I cannot hear any difference in the sound quality. It sounds exactly the same. Terrible. Yet, I can still tell the difference between Dolby and non as Dolby to me sounds like someone has put a pillow over the speakers.
Just to say, when Ben says he's taking time off, no, he doesn't! He still works like a Trojan on videos, just different content. Looking forward to Serge's return. I hope this year we can get some CX/DBX encoded Serge. Or maybe even some Dolby Serge? But I very much doubt it. Have fun on your "Time Off," Ben. Looking forward to your new season. I hope Max makes a welcome return.
It's my understanding that the tape monitor switches on gear like this (and the multiband EQ i have here) are so that you can insert the unit into your stereo/amp via the amp's tape input/output... this lets you piggyback your actual tapedeck onto it so you don't lose the ability to dub to tapes...
I agree with you about Dolby noise reduction. To me it sounds like it filters the top end out reducing the hiss, and loosing some of that crisp sounding treble. I have two Pioneer Tape Decks. They both have Dolby B and C but I never use it. I never felt like I needed to. Great video dude. Thanks.
If one were to create a noise reduction system that didn't need to be back-compatible, would it have been possible to improve the quality of venial OR make it cheaper to create great quality venial?
Vinyl, I assume you mean... and that's exactly what dbx-encoded LPs were.
Is it bad that I like the Terumasa Hino blerbs?
I just heard of the guy through this video and I kinda want to check him out now.
@@mightyfilm I honestly never heard of this guy myself. I found that Double Rainbow album here on UA-cam if you search for it, I quite like it... but I'm biased as someone who listens to stuff like this, lol. There's also a livestream radio station that just plays stuff like this if you search for New J Channel - lots of City Pop, Japanese jazz fusion, 80's j-pop, etc.
Japanese Jazz Fusion is a glorious genre that's (largely) unknown in the West and just waiting to be mined. The wonderful 'Terminal Passage' UA-cam channel introduced me to it. I've already picked up a few CDs from Discogs 😎
Crazy how I have to slow down Techmoan's videos and speed up yours.
Sounds like a screwed dynamic range expander.
Could this be reversed without the hardware? I picked up a copy of Claude Bolling's Toot Suite that I found out was a CX disc.
BTW, LaserDiscs have had CX right from the beginning. It was not a recent development; it was built into the spec, and it did really well.
All it really did that was worthwhile was to help with the inherent noise of LD analog tracks.
If you REALLY have a Dolby B (or C) encoded tape, you MUST play it back with whatever Dolby NR the tape was recorded at. If, say, you play back a Dolby B-encoded tape w/o Dolby B decoding, you are getting compressed and overly-bright audio. That's what Dolby "eq' does. It's kinda like the RIAA curve.
+Oddity Archive; I'm confused. You pronounced 'linear' (10:26) as 'LYNN-ear', and you ALSO were (MIS)pronouncing Phase Linear as 'LYNN-ear' (4:47), when the word - and the company's name are pronounced, 'lynn-EEE-uhr'.
I know you're a very knowledgeable person, and at first, I was wondering whether this was a 'regional' pronounciation, so I wanted to ask.
linear is pronounced: lin-E-ur
Love your work! Been watching since before your current intro
Your TT still isn't set up correctly.
It’s Manos The Hands Of Fate movie. Lol
You'll always be my rubadub partner,Benny Boy❤❤❤
Btw that Mathis tune hot🥵 ty for the deep cuts throughout your catalog, have found some good ones❤❤❤
Cool video and yeah I can tell that cx makes things a bit muffled and yeah regular lps are better.
La-NEAR? Do you mean LIN-e-er?
No, he means Bob Lanier.
And _steer-eo._ That's the other one. Say it like you're from NZ!
1:53 - Please you don't attract the same fcukheads as with the first DBX episode! Using the term millennial as if it's an insult, and then advertising a DBX Facebook group that did not even exist. Comedy that just cannot be written!
Sounds about right for that video. And then nobody watched the redux episode.
All these flash encoding things really only appeal to audio snobs. The rest of us wouldnt care. Enjoy your break anyway.