Lembit Soobik
Lembit.Soobik at t-online.de
Wed Nov 17 06:55:49 CST 2004
and when you record, turn the speakers off and keep the room as quiet as possible. the record player picks up all kind of noise. Lembit Soobik ----- Original Message ----- From: "Erwin Craps - IT Helps" <Erwin.Craps at ithelps.be> To: "Discussion of Hardware and Software issues" <dba-tech at databaseadvisors.com> Sent: Wednesday, November 17, 2004 10:34 AM Subject: RE: [dba-Tech] Converting LPs into digital audio > Forgot one. > > 9) When recording you may NEVER have a peak of 0Db, but you must set it > as high as posible. > Digital recording, in contrast with analogue, may never have a higher > volume then 0Db. > This is known as clipping. Everything that is higher will be cut off and > result in distortion. > This may be your original problem... > Due to this you gonna have to change the recording volume several times > before recording a vinyl succesfully. Before recoding set the needle to > the loudest part on the vinyl and adjust volume to that part. Keep > closely looking if it does'nt clip when recording. > Do not change recording volume while recording! > Setting the volume higher afterwards in the wave can result in higher > noise. > Do not use any volume enhancers like normalizing en compressor/limiters. > They will flatten your sound and should never be used in master files. > They can conflict with other enhancements/equipment when playing > afterwards. > Like on radiostation or discotheques or even the enhancements in media > player software (like Windows Media player etc). > > > > -----Original Message----- > From: dba-tech-bounces at databaseadvisors.com > [mailto:dba-tech-bounces at databaseadvisors.com] On Behalf Of Erwin Craps > - IT Helps > Sent: Wednesday, November 17, 2004 10:19 AM > To: Discussion of Hardware and Software issues > Subject: RE: [dba-Tech] Converting LPs into digital audio > > I used to be a dj and now I terminated with putting al my cd's on disc, > I'm gooing to start with my vinyl. > I done some serious testing before I start because I have about 1200 > singles and 2000 LP's/maxi single. > > It al depends on the quality you want to have (I want maximum quality) > but here are some basic things. > > 1) When connecting a recordplayer directly to your computer you gonna > nee a pre-amplifier with RIAA correction. You could by these at Radio > Shack (15 years ago, because they don't exist anymore in Belgium), but > you can find them elsewhere if you look hard enough. > By a good RIAA pre-amplifier. The quality of your digital file will > depend on it greatly. > When using a pre-amp, connect the turntable to the RIAA preamp en the > RIAA preamp to the line in of your computer (NOT the micro= distortion). > > 2) There are some software's out there that perform RIAA correction. > In this case you need to connect the turntable directly to the > Microphone in connector of your computer. > This will cause much more noise on your recording. > This is due to the low signal and noise generated by the computer and > soundcard. > > 3) Most soundcards are by definition low analogue quality. > This is due to the low cost/much noise A/D convertor chip on the bord. > Notebook soundcards are really really terible, NEVER use a notebook > soundcard to put analogue on disk!!! > > 4) If you need real good quality, get your self a good soundcard. > Look at the A/D convertor quality not the digital (digital is always > good...) > By definition the A/D convertor must be in a box OUTSIDE the computer. > If the AD convertor is inside the computer you will have much more noise > on your analogue connections due to the very noise environment inside a > computer. > > 5) I personaly have my quality doubts about external USB soundcards, but > I have no practical experience with that because I never by external USB > soundcards because... Goto point 5 > > 6) Fileformat > OK this can be a very long discussion I already had several times and I > am tired of to discusse why. So I try to make make point straigtaway. > First of all. > Chose a widespread file format thats suported by many programs and is > afordable. > >From my personal point of view/experience you have 3 choices in order > >of > my preferation > WMA lossless > WAV > WMA lossy (VBR) > MP3/4 > > Secondly > Ask yourself what quality level you want (I definitly have chosen for > WMA lossless). > A) very good (real CD quality) to exacly (as good as it can get) the > same as vinyll Choose a loss less compression (WMA lossless) or no > compression at all > (WAV) > This will take gigantic HD space!!! > > B) Reasonable quality (use a lossy compression). > MP3/4 > WMA (classical Media player default choice) Within thse lossy > compression you can choose the amount of quality loss you want by > setting the bitrate. > When gooing for a lossy compression, choose for VBR (variable bitrate > WMA or MP4 ). By this the quality (or lack of) is stable. > With fix bitrate your quality (or lack of) changes during the song and > is noticeable. > Noticeable lack of quality depends on the listener and equiptment. > On computerspeaker (most of them are not very good), portable player, > etc, it is hard to recognise a 320 fix MP3 (I Do) On a Hifi system with > medium to high quality speakers anyone can recognise & 320Kbps MP3 if > you now what to listen to. > > > 7) When recording from analogue you will (mostly) save in WAV file > because the compression is to CPU intense to put directly in a > compressed file. For sample rate 44000 is equal to regular CD quality. > 192000 sample rate is equal to vinyl quality. I was doubting about using > 192000, but you need more expensive software and harware, wav files are > 4 times as big and MPx, WMA do not support 192000 sample rate, so today > I'm satisfied with CD quality sample rate 44000.. > So you will also need a WAV-to-something-else convertor (often included > in the recording software). > > 8) Microsoft has a free tool to convert WAV to WMA (lossy and lossless I > believe) in a bulk transaction during night for example. > I use this tool to convert all my WMA lossless files to WMA lossy VBR so > I can listen to music on my portable devices. > > 9) Never use vinyl enhancers to reduce noise or cracks. They cutoff the > sound quality enormously. > In case of cracks and noise, clean your records, put some more weight on > the needle. > Playing the (old) records a few times before actualy recording can > remove dust and cracks in the final recording. Always remove dust from > the needle before recording. > Use a quality headphone and listen to the vinyl while recording to hear > any cracks or skips, so you can start all over in case of... > Do not touch the table with the recordplayer on it while recording. You > can hear this in the recording. > Do not use autostart/stop recording (based on sound) software > functionality, you will lose begin and end pieces. Rather cut the wav > manualy after recording. > > I hope this will help you. > Erwin > > > > -----Original Message----- > From: dba-tech-bounces at databaseadvisors.com > [mailto:dba-tech-bounces at databaseadvisors.com] On Behalf Of Steven W. > Erbach > Sent: Tuesday, November 16, 2004 7:54 PM > To: Discussion of Hardware and Software issues > Subject: [dba-Tech] Converting LPs into digital audio > > Dear Group, > > A few years ago I transferred two LPs worth of Whamco ads to .WAV files > using GoldWave and my old 133 MHz laptop and a Radio Shack patch cable > (mini plug to RCA pin jack). I tried to get a third LP to transfer but I > had trouble with distortion in my system somewhere. > > Have any of you converted LPs to WAV or MP3 or Windows Media? I went an > extra step with the Whamco ads to convert them to Real Audio files, but > I'd like to make them available on-line in both Real and Windows Media > formats. Any suggestions for doing this process all over again from LP > to digital? > > By the way, you can hear what I'm talking about here: > http://www.swerbach.com/id25.htm . WHAMCO was the name given to a spoof > mega-conglomerate that had products in just about every consumer > category you could think of. The ads were produced by a popular Denver > morning radio team back in the late 70s/early 80s. > > Steve Erbach > Neenah, WI > > > _______________________________________________ > dba-Tech mailing list > dba-Tech at databaseadvisors.com > http://databaseadvisors.com/mailman/listinfo/dba-tech > Website: http://www.databaseadvisors.com > _______________________________________________ > dba-Tech mailing list > dba-Tech at databaseadvisors.com > http://databaseadvisors.com/mailman/listinfo/dba-tech > Website: http://www.databaseadvisors.com > _______________________________________________ > dba-Tech mailing list > dba-Tech at databaseadvisors.com > http://databaseadvisors.com/mailman/listinfo/dba-tech > Website: http://www.databaseadvisors.com >