Code 126 - Coded Data Field: Sound recordings - Physical attributes (NR)Indicators: blankSubfield codes Subfield $a Sound Recording Coded Data (General) (Repeatable) $a/0 Form of releasea = disc b = tape (open reel) c = tape (cassette) d = tape (cartridge) e = wire recording f = cylinder g = roll (playerpiano or player organ) h = film (sound film) z = other$a/1 Speedu = unknown x = not applicable z = other(e.g. nonstandardized speed for microgrooves before 1906)Discsa = 16 2/3 rpm b = 33 1/3 rpm c = 45 rpm d = 78 rpm e = 8 rpm g = 1.4 m. per second (compact discs)Cylindersh = 1 in. per second (120 rpm) i = 160 rpmTapesk = 1 7/8 in. per second l = 15/16 in. per second m = 3 3/4 in. per second n = 7 1/2 in. per second o = 15 in. per second p = 30 in. per second q = 8/10 in. per second r = 4/10 in. per second$a/2 Kind of sounda = monoaural b = stereophonic c = quadraphonic u = unknown z = other$a/3 Groove widtha = coarse/standard b = microgroove/fine u = unknown x = not applicable z = other$a/4 Dimensions (sound recordings)a = 3 in. b = 5 in. c = 7 in. d = 10 in. e = 12 in. f = 16 in. g = 14 in. h = 43/4 in. (compact disc) j = 37/8 x 21/2 in. cassette o = 51/4 x 37/8 in. cartridge s = 23/4 x 4 in. cylinder u = unknown x = not applicable z = other$a/5 Tape widtha = 1/4 in. b = 1/2 in. c = 1 in. d = 1/8 in. e = 2 in. f = 1/3 in. (8 mm.) u = unknown x = recording not a tape z = other$a/6 Tape configurationa = full (1) track b = half (2) track c = quarter (4) track d = eight track e = twelve track f = sixteen track g = twentyfour track h = six track u = unknown x = recording not a tape z = other$a/7-12 Accompanying textual materiala = discography b = bibliography c = thematic index d = libretto or text e = biography of composer f = biography of performer or history of ensemble g = technical or historical information on instruments h = technical information on music i = historical information about music j = other historical information k = ethnological information l = biography of arranger or transcriber r = instructional material s = score z = other accompanying textual material$a/13 Recording techniquea = acoustic b = electric c = digital u = unknown z = other$a/14 Special reproduction characteristicsa = NAB standard b = CCIR/IEC standard c = DBX processed d = digital (compact disc) e = DolbyA encoded f = DolbyB encoded g = DolbyC encoded h = CX encoded x = not applicable u = unknown z = otherSubfield code $b Sound Recording Coded Data (Detail) $b/0 Kind of disc, cylinder or tapea = instantaneous (unique, cut on the spot) b = mass produced (most commercial discs or tapes) c = master tape d = tape duplication master e = disc master (negative) f = mother (positive) g = stamper (negative) h = test pressing u = unknown x = not applicable z = other$b/1 Kind of materialu = unknown x = not applicable z = otherDiscsa = lacquered (e.g. acetate) b = metal (e.g. aluminium) c = shellac pressing (mass produced) d = plastic pressing (mass produced) e = metal and plastic (compact discs)Cylindersg = wax (instantaneous) h = plastic (mass produced)Tapesi = paper backed j = acetate k = pvc l = polyester$b/2 Kind of cuttinga = lateral or combined cutting b = vertical (hill and dale) cutting u = unknown x = not applicable