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  • FIRST POST
    • Margot123
    • By Margot123 5th Jan 18, 6:06 PM
    • 529Posts
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    Margot123
    How much record time 512mb?
    • #1
    • 5th Jan 18, 6:06 PM
    How much record time 512mb? 5th Jan 18 at 6:06 PM
    I am going to be recording an interview of about 60 minutes for a family history project.
    Not wanting to part with any cash just for this, I dug out my old Philips GoGear MP3 player.

    It has a 512mb mini SD card, would this be enough to record 60 minutes of audio? If so, how much do you think I could record, just in case the interviewee rambles on?

    Excuse my ignorance (and lack of memory!). Any assistance for this non-techy old timer gratefully received..........
Page 1
    • mclaren32
    • By mclaren32 5th Jan 18, 6:07 PM
    • 232 Posts
    • 99 Thanks
    mclaren32
    • #2
    • 5th Jan 18, 6:07 PM
    • #2
    • 5th Jan 18, 6:07 PM
    Stick it on to record something now and find out?

    • Margot123
    • By Margot123 5th Jan 18, 6:08 PM
    • 529 Posts
    • 537 Thanks
    Margot123
    • #3
    • 5th Jan 18, 6:08 PM
    • #3
    • 5th Jan 18, 6:08 PM
    Stick it on to record something now and find out?
    Originally posted by mclaren32
    I'll take that as a 'don't know'.
    • CardinalWolsey
    • By CardinalWolsey 5th Jan 18, 6:26 PM
    • 147 Posts
    • 124 Thanks
    CardinalWolsey
    • #4
    • 5th Jan 18, 6:26 PM
    • #4
    • 5th Jan 18, 6:26 PM
    It depends upon what settings you use for recording. Mono 128kbps likely to be OK. Stereo 320kbps definitely not. What will you be using for the recording (assuming you're just salvaging the card from the MP3 player, and not using the MP3 player to record with)?
    • psychic teabag
    • By psychic teabag 5th Jan 18, 6:42 PM
    • 2,628 Posts
    • 1,553 Thanks
    psychic teabag
    • #5
    • 5th Jan 18, 6:42 PM
    • #5
    • 5th Jan 18, 6:42 PM
    I think a cdrom is of the order of 650Mb, and that stores about an hour of audio in wav (uncompressed) format. So I'd think compressing it (mp3) ought to be okay.
    • emptybox
    • By emptybox 5th Jan 18, 6:48 PM
    • 324 Posts
    • 150 Thanks
    emptybox
    • #6
    • 5th Jan 18, 6:48 PM
    • #6
    • 5th Jan 18, 6:48 PM
    An hour of stereo 320 Kb/s MP3s would take up something in the order of 120 MB, so you should have plenty of space, provided it doesn't only record as WAV files.

    ETA: I've just looked up, and at least some of the GoGears only record to WAV, so you'd have to check your specific model.
    But I guess, as it only records in mono, you might still be OK?

    This seems to suggest an hour of mono .wav should be up to 350 MB.
    http://www.audiomountain.com/tech/audio-file-size.html
    Last edited by emptybox; 05-01-2018 at 7:02 PM.
    • cranford
    • By cranford 5th Jan 18, 7:59 PM
    • 134 Posts
    • 69 Thanks
    cranford
    • #7
    • 5th Jan 18, 7:59 PM
    • #7
    • 5th Jan 18, 7:59 PM
    sd cards are as cheap as chips ebay! <£4 for a 4 or 8gb
    • robin58
    • By robin58 5th Jan 18, 9:35 PM
    • 2,067 Posts
    • 2,183 Thanks
    robin58
    • #8
    • 5th Jan 18, 9:35 PM
    • #8
    • 5th Jan 18, 9:35 PM
    sd cards are as cheap as chips ebay! <£4 for a 4 or 8gb
    Originally posted by cranford
    Doesn't all ways work in upping the sd card size.

    Some old equipment were not designed to take larger card due to software issues.

    This is mainly due to when the equipment came out It was not expected to take larger cards. I have a compact digital point and shoot camera that will only take up to 2gb cards because of this.
    The more I live, the more I learn.
    The more I learn, the more I grow.
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    How little I know.!!
    • Shimrod
    • By Shimrod 6th Jan 18, 10:45 AM
    • 936 Posts
    • 508 Thanks
    Shimrod
    • #9
    • 6th Jan 18, 10:45 AM
    • #9
    • 6th Jan 18, 10:45 AM
    I use a Sony voice recorder - I have just had a look at some recordings, and MP3 at a constant 192kps, 44.1Khz in stereo uses 120Mb for 1 hour 30 mins, so you've probably got at least 6 hours of recording time. Check to see if the GoGear has any quality settings you can adjust.
    • mr bogle
    • By mr bogle 6th Jan 18, 3:16 PM
    • 3 Posts
    • 0 Thanks
    mr bogle
    really interesting idea, i have found about 300 relatives on ancestry.com and did a presentation for my nan, so looking to do something similar over the next few years.

    if you have a decent phone (iphone etc) you might get better sound quality from this if you hang it in the air inbetween you and the interviewee, or you could buy a Lavalier mic to plug into the phone for less than £20 on amazon.

    as a former sound engineer i would have been shot 10 years ago for suggesting this haha, also do the interviews in the quietest place you possibly can, preferably without solid flat walls, a lounge near curtains and a sofa would be a good domestic setting, also turn off anything in the room with fans (computers, unplug sky box from the wall etc) and put the mic somewhere it wont get touched or knocked as you wont notice this sound until you listen to the play back after the even and there are no magic buttons to rectify this to anywhere near acceptable

    i would recommend recording in wav format 44,100 16 bit or 320k mp3 or higher if you have the choice, and make a loud short beep sound into the mic as a marker so you know the general places to cut beween edits (Especially in long recordings) when you are cleaning up the audio
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