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Radio Casette
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Here are some more information for Radio Casette:
Firstly it is useful to understand the differences between digital and analog audio. This applies to any recordings, not just to recordings of voice for transcription. Analog machines, such as tape cassette recorders, record sounds as wave forms, the way that the sound occurs in nature. Digital machines record sound by taking samples of the signal and storing them as bits of data, in the same way as a computer stores information. Because of the way the sounds are recorded digital recordings have a higher signal-to-noise ratio. Noise here refers to any background noise but when comparing analog to digital recordings it really refers to recorder-induced noise such as 'tape hiss'. So the quality of the digital recording is better. That alone is a good reason to consider using digital recording rather than analogue tapes!
There are other good reasons though. Not least of these is the fact that copies of analog recordings deteriorate in quality, so sending a copy of your master tape to a transcriptionist can result in a poor quality transcription, because the quality of the audio is poor. Digital recordings can be copied again and again with no deterioration in quality because all that's being copied is a series of bits of data.
Of course when using digital recordings you do need to check that your transcriptionist can transcribe from the file type you are using, or convert it. Most transcriptionists will be able to transcribe from any standard analog cassette and many can transcribe from micro and mini cassettes and video. So long as they have the relevant tape transcription machine they can transcribe the tape. Not so, unfortunately, with digital.
Most digital audio file types are compressed and a codec (the algorithm used to reduce the number of bites contained in large files by eliminating redundant data) and the transcriptionist or transcription software will need access to the codec that has produced the compressed file. However, this is often not an issue as PCs and many types of transcription software come with a variety of codecs already installed. It is certainly important to check with your transcriptionist though that they can work with your file type. Please see my separate article on digital file types for transcription for more information on this.
Digital file types are also easily manipulated and this can be useful when recording for transcription. If there are parts of the file you do not want transcribed it is a fairly simple matter to remove those parts and only send the transcriptionist the parts that should be transcribed. Alternatively, because a digital recording indicates where you are in it second by second, you can send the transcriptionist instructions such as 'transcribe between 3 minutes 20 seconds and 60 minutes 10 seconds.' This does not work on analog media as, even if you and your transcriptionist both have tape players with minute counters, the level of accuracy is quite poor.
Another huge benefit from the point of view of the transcription itself is that in a transcription from a digital recording your transcriptionist can mark the precise time that an inaudible word occurs. If that time is 3 minutes and 22 seconds then you can go back to your copy of the recording and almost instantly find 3 minutes and 22 seconds, play the word, and hopefully fill in the blank. With an analog recording on tape the transcriptionist can mark an inaudible word but it's not possible to note the time with any degree of accuracy and you will either need to flick back and forth through the tape to find it or listen through the whole recording.
There are various ways to make a digital recording. Perhaps the commonest when recording for transcription is onto a card, in much the same way as a digital camera records pictures onto a card. The recorded files can then be transferred onto your computer and sent to your transcriptionist via email (if compressed), FTP, file sharing sites or, in some cases, a file-sending box located on the transcriptionist's website.
Minidiscs have an excellent sound quality but many transcriptionists are unable to transcribe from them as the data needs to be transferred to PC first and then usually converted for use in transcription programmes.
DVDs and CDs also need to be converted before use in transcription software.
Recording can also be done directly onto a computer hard-drive using various types of software and an external microphone. However, when conducting interviews the presence of a laptop and large microphone might be rather intrusive.
However the recording is made and stored, it should be possible, with the right equipment and software, to convert the file into something you can download onto your PC and send to your transcriptionist by one of the methods mentioned above. So digital recordings not only improve on quality but can save you time and money. Recordings can be 'instantly' transferred to the transcriptionist instead of posting audio cassettes, you save money on postage costs to and from your transcriptionist and a better quality transcription will cost less to transcribe as it will take less time.
All in all, in a comparison between digital and analogue recording for transcription, digital recordings come out well ahead.
Penguin Transcription (http://www.penguin-transcription.co.uk), part of Penguin Office Services, offers an affordable transcription service by tailoring each quote to the exact requirements of the client. The more information the client can provide us with, and the better the quality of the recording for transcription, the more affordable the transcription service will be. Why not visit our site and fill in an enquiry form at http://www.penguin-transcription.co.uk/PTS_enquiry_form.html to receive a quote for your transcription requirements.
This article is copyright, Anne Hickley, 2007.
Downloading Music - Don't Read This Unless You Work For the Record Companies
Illegal downloading of songs is all the rage these days but should the record companies be up in arms? In the beginning there was Thomas Edison's phonograph with the cylindrical records that, although amazing for their time, sounded awful. There was no electronic amplification and the player had to cranked by hand to produce sound. But it was recorded music (or speech). Next came the record disk in 78 and 45 and 33 rpm (revolutions per minute) speeds. The quality of the sound steadily improved over the years as the stylus (or cartridge) changed from crystal to ceramic to magnetic. More improvement came with the changes in stylus from metal (yes metal!) to sapphire to diamond.
Other changes to the recording industry included improvements to the stereo systmes used to play and amplify the music. Monorail gave way to stereo and 4 channel systems. Then came surround sound and 5,6,7:1 systems. Vacuum tubes were replaced by transistors and then stereo systems morphed into min-computer systems. In fact, most modern computers sound better than just about any music system from 10-15 years ago.
The mediums for recorded music have changed over the years as well. Cassette tapes were introduced that could not only be played but recorded to as well. Albums could then be copied from friends for free but the quality suffered through the recording process. 8-track casette tapes were also available but never really caught on and recording on them even less so.
Around 1982 compact discs were introduced to consumers to replace the vinyl record. For a very ling time CD's and records were sold side-by-side in the record stores with the records slowly disappearing from the shelves. Since records needed time to "recover" between sessions you could only listen to a song so many times per day. Also records were prone to scratching. Some record companies responded by putting out limited pressing record that were more expensive and produced better quality sound. CD's could be played over and over again with no degrading of quality since there was no physical contact with the disc. A laser read the digital data stored on the CD. There was a protective layer between the elements and the data. Being in a digital format the CD could also be read from a multimedia computer and saved to a hard drive. Super audio cd's (SACD) came out later.
By 1993 MP3's were available on the internet but only the most advanced users had even heard of them or could play them. Mp3's quickly gained popularity because they were free and didn't take up valuable and expensive space on your computer. MP3 sites sprung up where users could easly download the songs they wanted for free. The release of Napster in 1999 changed everyting. The free application allowed users to search for and download songs with ease. Files were shared amongst users and even the newest and yougest computer users could figure out how to get free music.
The problem with MP3's, however, is that the quality of the sound is poor. These files are recorded with much of the data stripped away so that the resulting music file sounds terrible. MP3's can also be recorded at different bit rates so the quality of the songs on the file-sharing networks can vary tremendously. Downloading songs from peer-to-peer systems can also give you more spyware and virus than you would ever want. It is for these reasons that the record companies should emprace the free filesharing systems. Users can find songs that they heard on the radio (not the best quality either) and verify which songs they like. Listeners can also find new artists here as well. On Napster there was a feature that you could look at the songs a particular user had in their filesystems. Very often if a user liked the same songs as you then they had similar tastes. I've discoverd hundreds of new artist buy searching users's lists of favorites. Once I've found a song or artist I like then I buy the CD since that is where I get the absolute best quality sound for the money. There is nothing worse than trying to listen to a low-quality MP3 - even when it's free.
About the Author
Bill Reed has been online since 1986 and loves to travel and Dowload Music
Play an mp3 player in the car?
I have an old car, a 1987 camry to be exact. it has a radio, but no casette deck or cd player
is there some device i can get or way to attach my mp3 player so that i can play it through the car?
I found the best thing since sliced bread...http://www.crutchfield.com/S-9oDEWuNVIo6/cgi-bin/prodview.asp?i=142FMMOD01
It's not wireless so there's no interference. Not to be confused with an FM transmitter. Basically it adds an AUX input to ANY radio. No searching for a clean channel.
It feeds your audio signal from a headphone jack ( or RCA cables) by FM modulation, directly into the antenna input on your radio bypassing the antenna when on, allowing the radio to work as normal when off. It comes with an On/Off switch.
This is the answer. Totally versatile.
Here's one in action - http://www.youtube.com/watch?v=MHBI0LBGhR0
Mulebone brings the blues to G-A
Many people catch the music bug after they’ve learned how to play an instrument. For Hugh Pool of the blues duo Mulebone, he literally had to catch the bug before he picked up a guitar. As a teenager, Pool said he contracted a bad case of pneumonia, an read more
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