Identifier8252724
Created AtWed Dec 29 2010 05:30:46 GMT+0000 (Coordinated Universal Time)
Media TypeCDR
Media Count3
NoteSBD -> 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

Source InfoSBD -> Dobly A Reel -> Dolby A decode -> DAT -> Sound Forge NR -> CD-R
Trades Allowed
Source
SHNIDDateVenueCityStateArchive Identifier
19801971-02-21Capitol TheaterPort ChesterNY
SBD -> Dolby A Reel -> Dolby A decode -> DAT -> Sound Forge NR -> CD-R; apparently sourced from previously-circulating Leigh Orf seed, with possible additions by Jason Lunz; note d2,3 have same md5s as previous copy, but d1 md5s are different
Performance
Grateful Dead 1971-02-21 Capitol Theater, Port Chester, NY
Set 1Cold Rain & Snow, Me And Bobby McGee, Loser, Easy Wind, Playin' In The Band, Bertha, Me & My Uncle, Ripple, Next Time You See Me, Sugar Magnolia, Greatest Story Ever Told-> Johnny B. Goode
Set 2China Cat Sunflower-> I Know You Rider, Bird Song, Cumberland Blues, I'm A King Bee, Beat It On Down The Line, Wharf Rat, Truckin', Casey Jones, Good Lovin'-> Drums-> Good Lovin'-> Uncle John's Band
Set 3

CommentE.S.P. show - Other artist(s): NRPS