Does anyone know of a web site where you can get information on the pre-emphasis frequency used by various cassette manufacturers? Wil Hershberger Hedgesville,...
1190
Lang Elliott
lang@...
Dec 1, 2000 3:18 pm
Wil: I'm not completely sure what you're talking about when you mention "pre-emphasis". Bit I know that most cassette machines distinguish between Type I and...
1191
Hershberger, Wilbur
Whershbe@...
Dec 1, 2000 3:36 pm
Lang, That sounds fine. However, I thought that analogue magnetic tape recorders recorded a ultra high frequency signal at a high signal level to improve the...
1192
Klas Strandberg
telinga@...
Dec 1, 2000 3:52 pm
Lang - what you write is correct. Can I just add that most of my 20 years old cassette tapes have forgotten most of what is over 12 kHz and that when you...
1193
Klas Strandberg
telinga@...
Dec 1, 2000 4:07 pm
Will! That is the "bias" which is needed to carry the signal. Usually the bias frequency is in the region between 50 and 70 KhZ, sometimes higher. If they slow...
1194
Hershberger, Wilbur
Whershbe@...
Dec 1, 2000 4:11 pm
Klas, That was my feeling, that a cassette machine would not be able to record anything in the range they were interested in. Bias is the word I was looking...
1195
Lang Elliott
lang@...
Dec 1, 2000 4:12 pm
Klas: Thank gawd cassettes are no longer the medium of choice. Actually, I never did record on cassette, but I do have to deal with other folks's cassettes for...
1196
Marty Michener
marty@...
Dec 1, 2000 4:43 pm
Folks: Pre-emphasis I agree on. But my understanding of the cassette recording and playback process differs in several ways from that described by Lang and...
1197
Lang Elliott
lang@...
Dec 1, 2000 5:41 pm
Marty: Yes, you are right about what "bias" means. But it is also true that Type II high bias tape is generally recorded-to using a different EQ balance than...
1198
Klas Strandberg
telinga@...
Dec 2, 2000 12:34 pm
To Mac people: A frind of mine has a G3. Where can he find a free MP3 player? Klas. Telinga Microphones, Botarbo, S-748 96 Tobo, Sweden. Phone & fax int + 295...
1199
Syd Curtis
sydc@...
Dec 2, 2000 12:43 pm
Lang Elliott wrote, ... I have read the messages on pre-emphasis/bias with much interest though incomplete understanding. And I am puzzled by references such...
1200
Magnus Robb
robb@...
Dec 2, 2000 4:13 pm
Dear all, I work mainly with a Sony TCD-D10 Pro II DAT recorder, and my back-up is a Sony TCD-D100. When I first started working with DAT a couple of years...
1201
Lang Elliott
lang@...
Dec 2, 2000 4:28 pm
Syd: Turns out I am wrong about the Marantz. I checked my PMD 221 and it does have a switch for norm, chrome, and metal. I must have been thinking of some...
1202
Marty Michener
marty@...
Dec 2, 2000 7:01 pm
Lang: Again, I say: "3. I know of no way a cassette recorder can tell what tape has been placed in it. Please enlighten me. " my very best regards, Marty...
1203
Neville Recording
songbird@...
Dec 2, 2000 7:05 pm
Magnus Robb wrote"At that time I used Ampex 120 minute tapes, as I had been told that these were top quality and "used by all the top professionals". He ...
1204
JVMNATREC@...
Dec 2, 2000 7:16 pm
In a message dated 12/2/00 8:28:49 AM Pacific Standard Time, lang@... writes: << It is my guess that the various Marantz units do not...
1205
Klas Strandberg
telinga@...
Dec 2, 2000 7:19 pm
Magnus! Apart from "everything else" it is very important to keep the tape dry. Plastic box and silicon powder bags. I use HHB tapes. There are problems now ...
1206
Marty Michener
marty@...
Dec 2, 2000 7:38 pm
Well, folks, necessity often can be the mother: Having asked twice, I decided to closely examine all of several hundred cassettes. Here are the results: The...
1207
Lang Elliott
lang@...
Dec 2, 2000 7:56 pm
Marty: There are differences between normal bias and high bias tapes, in the way the actual physical cassette is made. In high bias tape cassettes, there's an...
1208
Lang Elliott
lang@...
Dec 2, 2000 7:58 pm
Ah, Marty, no sooner did I send off my explanation than I received the results of your examination of the cassettes. Yes, we're talking about the same thing ....
1209
Lang Elliott
lang@...
Dec 2, 2000 7:59 pm
Oh, one other thing. I thought that normal bias tapes have an EQ of 70 microseconds, not 120. Do I have this backwards?? By the way: why on earth...
1210
Lang Elliott
lang@...
Dec 2, 2000 8:03 pm
Yes, high bias tape is recorded at 70 microsecond EQ. Here's a place where I found this on the internet: ...
1211
Walter Knapp
wwknapp@...
Dec 2, 2000 8:14 pm
... Grayamp is a nice free player: http://www.digithought.net/software/grayamp/ It's not that expensive to go with something like Soundjam MP, which would give...
1212
Marty Michener
marty@...
Dec 2, 2000 8:22 pm
Lang and all: Yes, you seem to be absolutely correct. I mis-wrote my last post, so thanks, Lang for getting it right: HIGH is 70 usec, NORMAL is 120 usec. ...
1213
Lang Elliott
lang@...
Dec 2, 2000 8:45 pm
Marty: Dolby works okay with speach and possibly certain musical applications. But it is worthless for nearly all bird sounds, especially of the normal ...
1214
Walter Knapp
wwknapp@...
Dec 3, 2000 12:18 am
I thought I might communicate some of the results of talking with my son on this subject, about our discussion. He figures IDE drives at equivalent of SCSI I...
1215
JVMNATREC@...
Dec 3, 2000 12:42 am
In a message dated 12/2/00 12:23:39 PM Pacific Standard Time, marty@... writes: << Things I most like about the WM-D6C: >> Is this a DAT, MD, or...
1216
Marco Pesente
m.pesente@...
Dec 3, 2000 5:41 am
John, I think the right name for that item is WM-6C, which is "the best walkman" cassette recorder of Sony. The previous version was the simply WM-6, which...
1217
Marco Pesente
m.pesente@...
Dec 3, 2000 6:57 am
Sorry Marty! Sorry John! WM-D6C of Marty is right! I found it on an old Sony's catalogue. The right acronym of that walkman cassette recorder is WM-D6C, not...
1218
Syd Curtis
sydc@...
Dec 3, 2000 12:18 pm
Like Marty, I bought an (analogue) Sony WM-D6C stereo cassette recorder. In my case, pursuant to the comments of a CSIRO scientist who said his lab tests...
