test recording [ok]

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pazam
Posts: 8
Joined: June 14th, 2020, 8:31 am

Post by pazam » June 16th, 2020, 7:03 pm

https://librivox.org/uploads/tests/PamSplittTestRecording.mp3 I used audacity on a windows 10 pc and my mic is usb yetti blue

adrianstephens
Posts: 1438
Joined: August 27th, 2019, 5:06 am
Location: Cambridge UK
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Post by adrianstephens » June 18th, 2020, 7:22 am

pazam wrote:
June 16th, 2020, 7:03 pm
https://librivox.org/uploads/tests/PamSplittTestRecording.mp3 I used audacity on a windows 10 pc and my mic is usb yetti blue

Hello Pam,
Welcome to librivox. You have a nice clear voice, I had no trouble understanding you.

You need to make quite a number of change in order to meet Librivox's technical standards.
You have got good equipment, so it's just a matter of learning some technique and settings, and you will be fine.

FYI, the file name should be all lower-case. This doesn't matter for this test recording, but is a uniform standard for actual recordings.

Required: The file's format is MP3 stereo at variable kb/s. The specification we use for all MP3 recordings in Librivox is mono 128 kb/s constant bit rate. You can set this on the "save as MP3" dialog in Audacity, and it will persist the next time you do a save.

Advisory: The volume is a little too low. You can download the checker program (https://wiki.librivox.org/index.php?title=Checker) which you can use to check the volume against the expected range. This recording was 84 dB, and the normal range is 86-92 dB.

The file does not end with quiet period of 3-5 seconds. There are technical reasons why this needs to be there.

Required: you are recording this with a very sensitive microphone (I've used this model) and at the same time a herd of elephants
are tap-dancing their way across the table the mic is sitting on. Replay @ 1.5s and they make their entrance. If you are going to use this mic without an anti-vibration mount, you need to make sure you don't touch the table it is sitting on, or you can be sure the mic will pick it up. If you look at my videos, you'll see how I mount this mic.

Required: There is some noticeable background noise, which can distract from the reading. Your mic is a good mic, so this has to be environmental. Are there any fans near you?
The first thing to try is moving closer to the microphone, but watch out for those "p" sounds!
The second thing to try is noise reduction using Audacity. You can highlight the noise in Audacity by changing the track's display mode to "Waveform (db)" using the little pulldown arrow just to the right of the track name. I recommend leaving it there, as I do all my editing in this mode.
Then perform noise cleaning as shown here: https://wiki.librivox.org/index.php/Noise_Cleaning.
I recommend making this a part of your editing routine. You'll be surprised how much difference it makes, but be careful of over-doing it (more than about 18dB), which can affect the quality.


Please address at least the required technical issues and upload a new version. If you quote this message in your reply, I'll get a notification and will go in and re-check.




If you haven't already, you might spend some time browsing through the LibriVox Wiki. It contains a wealth of great information that you'll find useful and informative about who does what, and various technical aspects.

I suggest you spend some time becoming familiar with the forum and looking for projects that you think you'd enjoy working on. Just jump right in wherever it feels comfortable. Most of all, always have fun. You'll find lots of interesting material to record. If you're like me, you'll also discover you're learning a lot in the process and being exposed to books I otherwise wouldn't have opened or known about. You'll be contributing to an interesting project and interacting with a lot of fun and varied fellow LibriVox volunteers in the process. I recommend starting with short works, such as poetry and dramatic readings.

Thank you for participating in Librivox,
Adrian Stephens

PS - If you're interested in developing your technique, and have the time to spare there's a whole bunch of informative YouTube videos.
Our excellent admin Phil has recorded a lot of highly accessible videos (https://wiki.librivox.org/index.php?title=Instructional_Videos).

I have also recorded a number of YouTube videos on this subject, longer (and thereby going into more detail) than Phil's.

Part 0: Introduction. https://youtu.be/pMHYycgA5VU
Part 1: Installing Audacity https://youtu.be/w_QZ15c4_10
Part 2: Setting the Volume https://youtu.be/-RoWbeJoMKk
Part 3: The Checker Program https://youtu.be/-5szxU8JE7c
Part 4: ReplayGain plugin https://youtu.be/jwmSVJIDeVM
Part 5: Performance and Volume https://youtu.be/WaekYMX519I
Part 6: Microphones looked at https://youtu.be/gcVYx3ZSrfs
Part 7: Microphones listened to https://youtu.be/607ijxEw7mU
Part 8: Noise Reduction Using Audacity https://youtu.be/KsFkmvF-9d0
Part 9: Avoiding Pops https://youtu.be/zPpz1qv0XSk
Part 10: Recording and Marking Mistakes https://youtu.be/G_ceO3YmcM8
Part 11: Editing Marked Speech https://youtu.be/la87iCO7HeI
Part 12: Recording Dramatic Works https://youtu.be/ZuRKu9s9Krw
Part 13: Introduction to the Librivox forum https://youtu.be/ukGUc_Cyr0o
Part 14: Participating in Librivox https://youtu.be/_gCcMGey04E
Part 15: Case Study (Poem) https://youtu.be/41sr_VC1Qxo
Part 16: Case Study 2 (Dramatic Reading) https://youtu.be/GBIAd469vnM
My Librivox-related YouTube series starts here: Part 0: Introduction. https://youtu.be/pMHYycgA5VU
...
Part 15: Case Study (Poem) https://youtu.be/41sr_VC1Qxo
Part 16: Case Study 2 (Dramatic Reading) https://youtu.be/GBIAd469vnM

pazam
Posts: 8
Joined: June 14th, 2020, 8:31 am

Post by pazam » June 19th, 2020, 7:01 pm

Hi thanks for the technical instructions. I did check it with the checker software.
Redo is at
https://librivox.org/uploads/tests/test_pamsplitt.mp3

adrianstephens
Posts: 1438
Joined: August 27th, 2019, 5:06 am
Location: Cambridge UK
Contact:

Post by adrianstephens » June 20th, 2020, 5:35 am

pazam wrote:
June 19th, 2020, 7:01 pm
Hi thanks for the technical instructions. I did check it with the checker software.
Redo is at
https://librivox.org/uploads/tests/test_pamsplitt.mp3
Hello Pam,

Congratulations - you meet librivox's technical standards. Proof Listen OK!
-----------------------

You managed to banish the elephants to where they belong.
The background noise is acceptable, although still present. I did a round of noise reduction with 12dB of reduction. This took
the noise down to a level that nobody is going to notice, and without damaging the speech. You might want to experiment with that.
The spectrum of the noise is bass, which probably means it's traffic noise.

I suggest you spend some time becoming familiar with the forum and looking for projects that you think you'd enjoy working on. Just jump right in wherever it feels comfortable. Most of all, always have fun. You'll find lots of interesting material to record. If you're like me, you'll also discover you're learning a lot in the process and being exposed to books I otherwise wouldn't have opened or known about. You'll be contributing to an interesting project and interacting with a lot of fun and varied fellow LibriVox volunteers in the process. I recommend starting with short works, such as poetry and dramatic readings.

Thank you again for participating in Librivox,
Adrian Stephens
My Librivox-related YouTube series starts here: Part 0: Introduction. https://youtu.be/pMHYycgA5VU
...
Part 15: Case Study (Poem) https://youtu.be/41sr_VC1Qxo
Part 16: Case Study 2 (Dramatic Reading) https://youtu.be/GBIAd469vnM

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