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ArtistGrateful Dead
Showgd1971-02-21
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Info hash4a8556161457d5de1e8c37ab81750900e72907c6
db linkhttp://db.etree.org/shn/98034 | Show | Source
DescriptionGrateful Dead
February 21, 1971
Capitol Theatre, Port Chester, NY

SBD -> Dobly A Reel -> Dolby A decode -> DAT -> Sound Forge NR -> CD-R

The Sound Forge noise reduction was used to attenuate a very narrow
frequency band (in the vicinity of 8000 Hz) which was present as
interference on the original reels. See my notes below for details.

Disc 1

Set 1
1. Cold Rain And Snow (7:24)
2. Me And Bobby McGee (8:18)
3. Loser (7:37)
4. Easy Wind (9:21)
5. Playing In The Band (5:46)
6. Bertha (6:17)
7. Me And My Uncle (4:57)
8. Ripple (take 1) (1:31)
9. Ripple (7:53)
10. Next Time You See Me (5:41)
11. Sugar Magnolia (7:33)

Disc 2

1. Greatest Story Ever Told > (4:43)
2. Johnny B. Goode
Set 2
3. China Cat Sunflower (11:36)
4. Bird Song (6:44)
5. Cumberland Blues (5:48)
6. King Bee (9:12)
7. Beat It On Down The Line (4:53)
8. Wharf Rat (11:02)

Disc 3

1. Truckin' (8:42)
2. Casey Jones (6:33)
3. Good Lovin' (16:55)
4. Uncle John's Band (7:36)


The original reels of the Port Chester run of '71 were audibly
tainted due to a cable problem. The result is a tone which hovers
around 8000 Hz with an amplitude of about +20 dB above the noise
floor. This translate to a very annoying pitch, especially during quiet
sections, which is in the old-tv-tube or lousy-hard-disk or maybe even
the-sound-you-hear-after-you-slam-your-head-against-a-concrete-wall
class of 'whine'. Because this interference is 'monochromatic' it's
easy to get rid of if you have the processing power and a quick
FFT algorithm. I used the filter-shaping capabilities of the Sonic
Foundry Noise Reduction Plugin to tailor a very narrow notch filter
which attenuated the interference without affecting the rest of the
signal. And it's all done in the digital domain. Huzzah!

As a side note, I actually ended up crafting many filters to process
these shows. The frequency of the interference actually drifted anywhere
from 7700 to 8100 Hz during a given show. This was probalby due to a
slightly wandering reel speed. It made my work harder but when I tried
a much wider filter I started to be able to hear the attenuation in the
music. The filters generally go like this:

25 dB /- - - - - - - -\
/ \
/ \
0 dB | |
7830 7900 7970

The end result is no more annoying whine!

I also removed some of the nasty mic feedback in the 2/18/71 Bertha
using this type of filter.

Leigh Orf <orf@mailbag.com>

Update (3/19/09): This is a re-seed. I have re-encoded the files
using FLAC, and added tags. For some more discussion about the notch
filtering, please see http://orf5.com/badnr.html
Checksums01 - Cold Rain & Snow.flac:a868a1e7e8aa29d6d6b6915f5ab5cd69
02 - Me & Booby McGee.flac:1a4a0963587eea06d3ec4511c5a17005
03 - Loser.flac:1d2b5e45bf5b338b85e05e114dd79a2e
04 - Easy Wind.flac:326b2c9b9ec5791e2b571ab2bf94d8c8
05 - Playin' In The Band.flac:7eadd9118d9b691f17fd829af72d4705
06 - Bertha.flac:a8639f67134a8f3577c9eb54344f51c8
07 - Me & My Uncle.flac:803d74a124dbfe6ae450e396c6551679
08 - tuning.flac:f4675cf6c7a93bb1297db9ed43b3bcd6
09 - Ripple.flac:383c3391365179cc7ed32df517a2f2fb
10 - Next Time.flac:f1fa5b728d6762a4c702bef0b803ca2f
11 - Sugar Magnolia.flac:1448ad91c6a2557e990e9e5bdd46e91f
01 - Greatest Story Ever Told ).flac:8b742c37f8c394b9d7d9ce26e8773ae1
02 - Johnny B. Goode.flac:1d7e14fb05b7ce9e50e7f14c4cdbfce6
03 - China Cat Sunflower ) I Know You Rider.flac:503b1d60a2b31a04fccc29c6958e4ac0
04 - Bird Song.flac:f8f41658b8b910c5f832aab61a159eb8
05 - Cumberland Blues.flac:d55af8481e9f9f3843fc74e489371480
06 - King Bee.flac:67415ecb3c2978dd5a983c6878b55052
07 - Beat It On Down The Line.flac:5adb1208e269fc18013b8a1a1a598dad
08 - Wharf Rat.flac:469fd6ce00d5303f8b980a2b8d6dbf23
01 - Truckin.flac:73f3de672d866d4da6363b4eb916698c
02 - Casey Jones.flac:e3055fed6f0cb34cdb464ea51ab9c8ac
03 - Good Lovin ).flac:5df196db4b9df31622d93bfaf51d8b6a
04 - Uncle John's Band.flac:fcf0acee031809acf667755a66a18116
TypeGrateful Dead
Last seederLast activity 662 days, 20:33:48 ago
Size783.85 MB (821925303 Bytes)
Added2009-03-19 14:43:37
Views0
Hits466
Snatched255 times
Upped byOrp
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charlie miller 2009-03-26 11:57:42
The sample that I posted is not a remaster of any circulating source. It is a direct transfer of the vault master reels, not the betty reels which have the hum. The vault reels are clean and have no hum. I find it interesting that some folks would like the filtered circulating source over the pure clean vault reels.
Orp 2009-03-28 14:33:19
Charlie:

Dude, this can't be so hard for you to understand. For those of us who actually want to listen to the music rather than dream about existing copies which cannot listen to, we'll take what we can get. Get it? For you to flaunt 2 minute segments from the vault accomplishes nothing than telling the community that you have access to something they don't have, and to make the ludicrous suggestion that we are idiots for listening to a flawed copy than wait for you to grace us with your superior copy whenever that may (or may not) happen.

It was only about 2 minutes after I reseeded this show (at the request of some soul who emailed me about not being able to find any copy of the show on bt) that you had to announce how flawed the show was. What is your deal? I mean, aren't you the guy behind the live Kimock shows which are given away for free in lossless form? Would you prefer those not ever be released? I just don't get where you are coming from.
charlie miller 2009-03-28 19:18:24
Um, well, let's see. I wasn't flaunting anything, nor teasing. When I'm done with the recording, it'll get out. Just like the other thousands of shows I've worked on.

Get it?
charlie miller 2009-03-28 19:20:24
Last comment:

I'm not a big fan of noise reduction. That is what my comments were based on. There are better ways to fix the issue that the recording had.


I appreciate your effort.
charlie miller 2009-03-28 19:24:48
My comments were really not meant to sound as rude as they sounded.
tacothegreat 2009-03-30 02:09:38
thanks for all your contributions, charlie. that's all I have to say, :)

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