One Minute Test [OK]

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Metallirat
Posts: 6
Joined: June 27th, 2020, 5:42 pm

Post by Metallirat » June 28th, 2020, 5:36 pm

Linked below is my 1 minute test.

I used a Mac with Audacity and an Audio Technica ATR-2100x USB Microphone.

https://librivox.org/uploads/tests/test_metallirat.mp3

All feedback welcome.

adrianstephens
Posts: 955
Joined: August 27th, 2019, 5:06 am
Location: Cambridge UK
Contact:

Post by adrianstephens » June 29th, 2020, 3:25 am

Metallirat wrote:
June 28th, 2020, 5:36 pm
Linked below is my 1 minute test.

I used a Mac with Audacity and an Audio Technica ATR-2100x USB Microphone.

https://librivox.org/uploads/tests/test_metallirat.mp3

All feedback welcome.
Hello Ross,
Welcome to librivox. You have a nice clear voice, I had no trouble understanding you.

You need to make a change in order to meet Librivox's technical standards.


Required: There is some noticeable background noise, which can distract from the reading.
From the spectrum, it is a mixture of electronic hiss, traffic noise and a computer fan.

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.
I experimented with your sample, and a 100Hz rumble filter followed by 12dB of noise reduction produced an acceptable result.


Please address at least the required technical issue 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.

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

Metallirat
Posts: 6
Joined: June 27th, 2020, 5:42 pm

Post by Metallirat » June 29th, 2020, 7:38 am

adrianstephens wrote:
June 29th, 2020, 3:25 am
Metallirat wrote:
June 28th, 2020, 5:36 pm
Linked below is my 1 minute test.

I used a Mac with Audacity and an Audio Technica ATR-2100x USB Microphone.

https://librivox.org/uploads/tests/test_metallirat.mp3

All feedback welcome.
Hello Ross,
Welcome to librivox. You have a nice clear voice, I had no trouble understanding you.

You need to make a change in order to meet Librivox's technical standards.


Required: There is some noticeable background noise, which can distract from the reading.
From the spectrum, it is a mixture of electronic hiss, traffic noise and a computer fan.

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.
I experimented with your sample, and a 100Hz rumble filter followed by 12dB of noise reduction produced an acceptable result.


Please address at least the required technical issue 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.

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
Thanks Adrian,
I ran some noise reduction and it seemed to help quite a bit. I also realized that I was recording near the air conditioner vent so that might have been a good amount of the background noise. Below is the new file. Let me know you thoughts. I've already checked out a few of the youtube videos. Very Helpful!

https://librivox.org/uploads/tests/test2_metallirat.mp3

adrianstephens
Posts: 955
Joined: August 27th, 2019, 5:06 am
Location: Cambridge UK
Contact:

Post by adrianstephens » June 29th, 2020, 7:42 am

Metallirat wrote:
June 29th, 2020, 7:38 am

Thanks Adrian,
I ran some noise reduction and it seemed to help quite a bit. I also realized that I was recording near the air conditioner vent so that might have been a good amount of the background noise. Below is the new file. Let me know you thoughts. I've already checked out a few of the youtube videos. Very Helpful!

https://librivox.org/uploads/tests/test2_metallirat.mp3
Hello Ross,
The background noise is reduced to a level where it's acceptable. It's still audible, and you could probably reduce it a further 6dB or so to make it go away.

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

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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