-
What is a Codec and What Does it Do?
The word “codec” is a combination of “coder” and “decoder” -- and that’s just what one does. Codecs compress (or code) video, audio, and image files in order to send them over a network, then decompress (decode) them at their destination. Because of codecs, we’re able to video conference, for instance, with respectable video and audio quality regardless of bandwidth.
🔎 Read more:
What is a codec ➡️ https://www.techtarget.com/searchunifiedcommunications/definition/codec?
Video conferencing bandwidth requirements ➡️ https://www.techtarget.com/searchunifiedcommunications/tip/Business-video-conferencing-setup-Calculating-bandwidth-requirements?
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🔔Subscribe to Eye on Tech: https://www.youtube.com/@EyeonTech?su...
published: 21 Apr 2022
-
The Engineering Inside Wireless Earbuds || How do Wireless Earbuds and Audio Codecs Work?
Let's take apart these wireless earbuds [Apple AirPods 2] and see all the components. Then we'll explore audio codecs and the world of digital audio, and see how it all works.
Check out https://www.pcbway.com/ for all kinds of PCBs, easy ordering, and quick delivery.
Take a look at their PCB Assembly, for an inexpensive population of the components on your PCBs.
For a holiday season discount, check out https://www.pcbway.com/activity/xmas2020sales.html
This video explores the inner workings of wireless earbuds and specifically, we'll explore these Apple AirPods 2. We'll give you a general overview of how these earbuds work, and then dive into how Audio is represented digitally. We'll dive even deeper into Audio sampling rates, and audio bit depth. Finally, we'll give a brief overview ...
published: 13 Dec 2020
-
But what is digital audio? (The FLAC Codec #1 – (Digital) Audio and PCM)
Episode 1 of the deep-dive series into FLAC, digital audio and its lossless compression.
Manim source code for the series: https://github.com/kleinesfilmroellchen/flac-video-resources
The FLAC specification: https://www.xiph.org/flac/format.html (Official Specification) https://datatracker.ietf.org/doc/html/draft-ietf-cellar-flac (Internet Draft as of January 2022; mostly a copy of the specification + corrections)
SerenityOS: https://serenityos.org
95% of this video was created with the Manim animation tool, created by Grant Sanderson (3Blue1Brown) and supported by the Manim community. https://www.manim.community/
TV news: tagesschau 1960/11/16, 8 pm (https://www.tagesschau.de/multimedia/video/video1213658.html )
Concert recording: Carlos Kleiber - Beethoven symphony No.7, Op.92: mov.4 (h...
published: 21 Jan 2022
-
What is a Codec as Fast As Possible
Ever had to download a codec to play back a video or audio file? Ever wondered what the devil they are and why we need them? Now you can know in about 4 minutes!
Click the Hotspot Shield Link for more information about accessing geo-restricted or blocked content and to save 20% on your Elite membership:
http://www.hotspotshield.com/lp/access_us_sites_elite_trial_amb6/?utm_source=linus&utm_medium=video&utm_campaign=accessuscontent
VLC download: http://www.videolan.org/vlc/
CCCP download: http://cccp-project.net/
published: 03 Apr 2014
-
Product Showcase: SparkFun Audio Codec Breakout
Find it here: https://www.sparkfun.com/products/21250
The SparkFun Audio Codec Breakout - WM8960 is a low power, high quality stereo codec with 1W Stereo Class D speaker drivers and headphone drivers. The WM8960 acts as a stereo audio ADC and DAC, and communicates using I2S, a standard audio data protocol (not to be confused with I2C). This audio codec is chock full of features some of which includes advanced on-chip digital signal processing for automatic level control (ALC) for the line or microphone input, programmable gain amplifier (PGA), pop and click suppression, and its ability to configure I2S settings and analog audio path through software via I2C.
published: 26 Jan 2023
-
Audio File Formats - MP3, AAC, WAV, FLAC
What's the difference between common audio file formats like MP3, AAC, WAV, and FLAC?
Freshbooks message: Head over to http://freshbooks.com/techquickie and don’t forget to enter Tech Quickie in the “How Did You Hear About Us” section when signing up for your free trial.
Techquickie Merch Store: https://www.designbyhumans.com/shop/L...
Techquickie Movie Poster: https://shop.crowdmade.com/collection...
Leave a comment with your requests for future episodes, or tweet them here: http://twitter.com/jmart604
Follow: http://twitter.com/linustech
Join the community: http://linustechtips.com
published: 20 Jun 2017
-
Bluetooth Codecs Explained
Bluetooth Codecs Explained. There are lots of different Bluetooth codecs available but what are they, how do they perform and which one is best? Whats it all about?
👏 Support the channel 👏
Like, share, subscribe
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⚖️ All Amazon links are affiliate links. As an Amazon Associate, I earn from qualifying purchases.
published: 28 Feb 2020
-
Advances in audio codecs
When WebRTC launched in 2011, it came with a new audio codec called opus which remains a great choice today. We will review contenders like the machine-learning based Lyra and Satin codecs and reliability mechanisms like RED and FEC to see how they give even better quality.
Speaker: Philipp Hancke, webrtcHacks
Thank you to our sponsors!
Google - https://webrtc.org
Daily - https://bit.ly/3YfA59V
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SUBSCRIBE TO OUR WEEKLY: https://webrtcweekly.com/
published: 14 Dec 2022
-
Bluetooth Audio Quality Showdown! LDAC vs APTX HD vs AAC vs SBC!
I've seen a ton of debates and showdowns on different wireless audio solutions. Comparing AAC, APTX, and LDAC is kind of useless if all you can share is anecdotal listening experiences. Doubly so if people are listening on different headphones for their comparisons.
We need something we can measure!
Sony and Qualcomm make some pretty steep claims about audio quality. More than just listening, let's actual analyze some data!
Support SomeGadgetGuy! The complete list of how you can contribute to production on this channel AND get yourself some cool stuff! http://somegadgetguy.com/2012/07/15/support-somegadgetguy-get-cool-stuff/
Support production on this channel! Early access, BTS, Fun Perks and MORE! https://www.patreon.com/SomeGadgetGuy
I wrote a book! If you want to take your smar...
published: 07 Jan 2019
-
VoIP Fundamentals - Codecs
In order for people to speak over VoIP, their speech must be digitally encoded, transmitted across an IP network, and then converted back to a form the human ear can interpret. This module describes how this is done.
published: 24 Apr 2020
2:34
What is a Codec and What Does it Do?
The word “codec” is a combination of “coder” and “decoder” -- and that’s just what one does. Codecs compress (or code) video, audio, and image files in order to...
The word “codec” is a combination of “coder” and “decoder” -- and that’s just what one does. Codecs compress (or code) video, audio, and image files in order to send them over a network, then decompress (decode) them at their destination. Because of codecs, we’re able to video conference, for instance, with respectable video and audio quality regardless of bandwidth.
🔎 Read more:
What is a codec ➡️ https://www.techtarget.com/searchunifiedcommunications/definition/codec?
Video conferencing bandwidth requirements ➡️ https://www.techtarget.com/searchunifiedcommunications/tip/Business-video-conferencing-setup-Calculating-bandwidth-requirements?
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#Codec #VideoConferencing #BandwidthRequirements #eyeontech
https://wn.com/What_Is_A_Codec_And_What_Does_It_Do
The word “codec” is a combination of “coder” and “decoder” -- and that’s just what one does. Codecs compress (or code) video, audio, and image files in order to send them over a network, then decompress (decode) them at their destination. Because of codecs, we’re able to video conference, for instance, with respectable video and audio quality regardless of bandwidth.
🔎 Read more:
What is a codec ➡️ https://www.techtarget.com/searchunifiedcommunications/definition/codec?
Video conferencing bandwidth requirements ➡️ https://www.techtarget.com/searchunifiedcommunications/tip/Business-video-conferencing-setup-Calculating-bandwidth-requirements?
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Instagram: https://www.instagram.com/eyeontech_tt/
#Codec #VideoConferencing #BandwidthRequirements #eyeontech
- published: 21 Apr 2022
- views: 34239
17:41
The Engineering Inside Wireless Earbuds || How do Wireless Earbuds and Audio Codecs Work?
Let's take apart these wireless earbuds [Apple AirPods 2] and see all the components. Then we'll explore audio codecs and the world of digital audio, and see h...
Let's take apart these wireless earbuds [Apple AirPods 2] and see all the components. Then we'll explore audio codecs and the world of digital audio, and see how it all works.
Check out https://www.pcbway.com/ for all kinds of PCBs, easy ordering, and quick delivery.
Take a look at their PCB Assembly, for an inexpensive population of the components on your PCBs.
For a holiday season discount, check out https://www.pcbway.com/activity/xmas2020sales.html
This video explores the inner workings of wireless earbuds and specifically, we'll explore these Apple AirPods 2. We'll give you a general overview of how these earbuds work, and then dive into how Audio is represented digitally. We'll dive even deeper into Audio sampling rates, and audio bit depth. Finally, we'll give a brief overview of audio file formats.
Do you want to support in-depth engineering and technology education? Support us on: https://www.patreon.com/brancheducation
Website: https://www.branch.education
On Facebook: https://www.facebook.com/BranchEducation/
On Twitter: https://twitter.com/TeddyTablante
On Insta: https://www.instagram.com/brancheducation/
Or Join us on YouTube Memberships: https://www.youtube.com/channel/UCdp4_l1vPmpN-gDbUwhaRUQ/join
Modeling, Animation- Victor Duarte (@victorvdr9) Digital Artist. http://www.victorvdr9.artstation.com
Script, Editing- Teddy Tablante
Twitter: @teddytablante
Voice Over- Phil Lee
Table of Contents:
00:00 - Exploring Wireless Earbuds
02:18 - All the Components inside Apple AirPods 2
04:41 - How Wireless Earbuds Work
06:14 - What are Codecs?
08:47 - Sampling Frequency & Bit depth
15:21 - Audio File Formats .mp3 .flac
16:46 - Wrap Up!
Key Branches from this video are: Speakers, How does sound work?, How does sound travel?
Erratum:
Animation built using Blender 2.90.1 https://www.blender.org/
Post with Adobe Premiere Pro
Internet References:
Audio Codecs and Audio Data Converter Ics www.maximintegrated.com/en/products/analog/audio/audio-codecs-and-audio-data-converter-ics.html
Audio File Size Calculator
toolstud.io/video/audiosize.php?samplerate=44100&sampledepth=24&channelcount=2&timeduration=60&timeunit=seconds
Dempsey, Joe. "How do MP3 and WAV Files differ?" Studio . www.dawsons.co.uk/blog/how-do-mp3-and-wav-files-differ
Wikipedia contributors. "Analog Signal". "Audio Bit Depth". "Audio Coding Format". "Bit Rate". "Codec". "Compact Disc Digital Audio". "Digital Audio". "MP3". "Nyquist-Shannon Sampling Theorem". "Pulse-Code Modulation". "Sampling Rate". "Sampling (Signal processing)". Wikipedia, The Free Encyclopedia. Wikipedia, The Free Encyclopedia, Visited November, 2020
#Wireless #Earbuds #AirPods
https://wn.com/The_Engineering_Inside_Wireless_Earbuds_||_How_Do_Wireless_Earbuds_And_Audio_Codecs_Work
Let's take apart these wireless earbuds [Apple AirPods 2] and see all the components. Then we'll explore audio codecs and the world of digital audio, and see how it all works.
Check out https://www.pcbway.com/ for all kinds of PCBs, easy ordering, and quick delivery.
Take a look at their PCB Assembly, for an inexpensive population of the components on your PCBs.
For a holiday season discount, check out https://www.pcbway.com/activity/xmas2020sales.html
This video explores the inner workings of wireless earbuds and specifically, we'll explore these Apple AirPods 2. We'll give you a general overview of how these earbuds work, and then dive into how Audio is represented digitally. We'll dive even deeper into Audio sampling rates, and audio bit depth. Finally, we'll give a brief overview of audio file formats.
Do you want to support in-depth engineering and technology education? Support us on: https://www.patreon.com/brancheducation
Website: https://www.branch.education
On Facebook: https://www.facebook.com/BranchEducation/
On Twitter: https://twitter.com/TeddyTablante
On Insta: https://www.instagram.com/brancheducation/
Or Join us on YouTube Memberships: https://www.youtube.com/channel/UCdp4_l1vPmpN-gDbUwhaRUQ/join
Modeling, Animation- Victor Duarte (@victorvdr9) Digital Artist. http://www.victorvdr9.artstation.com
Script, Editing- Teddy Tablante
Twitter: @teddytablante
Voice Over- Phil Lee
Table of Contents:
00:00 - Exploring Wireless Earbuds
02:18 - All the Components inside Apple AirPods 2
04:41 - How Wireless Earbuds Work
06:14 - What are Codecs?
08:47 - Sampling Frequency & Bit depth
15:21 - Audio File Formats .mp3 .flac
16:46 - Wrap Up!
Key Branches from this video are: Speakers, How does sound work?, How does sound travel?
Erratum:
Animation built using Blender 2.90.1 https://www.blender.org/
Post with Adobe Premiere Pro
Internet References:
Audio Codecs and Audio Data Converter Ics www.maximintegrated.com/en/products/analog/audio/audio-codecs-and-audio-data-converter-ics.html
Audio File Size Calculator
toolstud.io/video/audiosize.php?samplerate=44100&sampledepth=24&channelcount=2&timeduration=60&timeunit=seconds
Dempsey, Joe. "How do MP3 and WAV Files differ?" Studio . www.dawsons.co.uk/blog/how-do-mp3-and-wav-files-differ
Wikipedia contributors. "Analog Signal". "Audio Bit Depth". "Audio Coding Format". "Bit Rate". "Codec". "Compact Disc Digital Audio". "Digital Audio". "MP3". "Nyquist-Shannon Sampling Theorem". "Pulse-Code Modulation". "Sampling Rate". "Sampling (Signal processing)". Wikipedia, The Free Encyclopedia. Wikipedia, The Free Encyclopedia, Visited November, 2020
#Wireless #Earbuds #AirPods
- published: 13 Dec 2020
- views: 1230425
11:26
But what is digital audio? (The FLAC Codec #1 – (Digital) Audio and PCM)
Episode 1 of the deep-dive series into FLAC, digital audio and its lossless compression.
Manim source code for the series: https://github.com/kleinesfilmroellc...
Episode 1 of the deep-dive series into FLAC, digital audio and its lossless compression.
Manim source code for the series: https://github.com/kleinesfilmroellchen/flac-video-resources
The FLAC specification: https://www.xiph.org/flac/format.html (Official Specification) https://datatracker.ietf.org/doc/html/draft-ietf-cellar-flac (Internet Draft as of January 2022; mostly a copy of the specification + corrections)
SerenityOS: https://serenityos.org
95% of this video was created with the Manim animation tool, created by Grant Sanderson (3Blue1Brown) and supported by the Manim community. https://www.manim.community/
TV news: tagesschau 1960/11/16, 8 pm (https://www.tagesschau.de/multimedia/video/video1213658.html )
Concert recording: Carlos Kleiber - Beethoven symphony No.7, Op.92: mov.4 (https://www.youtube.com/watch?v=VLkZvsp62iU )
Footnotes (square brackets in the video):
[1] For the purposes of this video a codec is just a file format
[2] CD-Audio is not a real file format, but stands for the encoding used by CD audio discs
[3] OVERSIMPLIFICATION, I know, and also I don’t know shit about ZIP so don’t @ me
[4] http://hyperphysics.phy-astr.gsu.edu/hbase/Sound/intens.html#c3
[5] We could also average the signal over the short time slice instead, there are multiple approaches of best finding a sample value.
[6] Additionally, there needs to be an analog low pass filter (blocking frequencies above some point) that blocks all frequencies above the maximum representable frequency, the “Nyquist limit”. This needs to be in place both before converting the signal to digital and after re-converting it to analog. Otherwise, you get “aliasing”, pseudo-frequency information that isn’t actually there.
[7] It mainly comes down to the fact that analog low pass filters are imperfect, and these frequencies are well-suited for syncing with other data streams, such as standard definition video in the case of 48kHz. For those reasons, we rather choose the sampling rate a bit too high than too low.
[8] Technically, the entire process of digitizing a signal is called quantization, but that’ll get confusing.
[9] We can also use floating-point numbers (basically decimal), but that’s not something FLAC supports and it’s not generally superior to integer sample representation.
[10] This is a simplification and technically wrong. Any range sizes for these values are possible as an amplitude, and there are five differently sized ranges with six numbers. My point still stands: The differences are very hearable.
https://wn.com/But_What_Is_Digital_Audio_(The_Flac_Codec_1_–_(Digital)_Audio_And_Pcm)
Episode 1 of the deep-dive series into FLAC, digital audio and its lossless compression.
Manim source code for the series: https://github.com/kleinesfilmroellchen/flac-video-resources
The FLAC specification: https://www.xiph.org/flac/format.html (Official Specification) https://datatracker.ietf.org/doc/html/draft-ietf-cellar-flac (Internet Draft as of January 2022; mostly a copy of the specification + corrections)
SerenityOS: https://serenityos.org
95% of this video was created with the Manim animation tool, created by Grant Sanderson (3Blue1Brown) and supported by the Manim community. https://www.manim.community/
TV news: tagesschau 1960/11/16, 8 pm (https://www.tagesschau.de/multimedia/video/video1213658.html )
Concert recording: Carlos Kleiber - Beethoven symphony No.7, Op.92: mov.4 (https://www.youtube.com/watch?v=VLkZvsp62iU )
Footnotes (square brackets in the video):
[1] For the purposes of this video a codec is just a file format
[2] CD-Audio is not a real file format, but stands for the encoding used by CD audio discs
[3] OVERSIMPLIFICATION, I know, and also I don’t know shit about ZIP so don’t @ me
[4] http://hyperphysics.phy-astr.gsu.edu/hbase/Sound/intens.html#c3
[5] We could also average the signal over the short time slice instead, there are multiple approaches of best finding a sample value.
[6] Additionally, there needs to be an analog low pass filter (blocking frequencies above some point) that blocks all frequencies above the maximum representable frequency, the “Nyquist limit”. This needs to be in place both before converting the signal to digital and after re-converting it to analog. Otherwise, you get “aliasing”, pseudo-frequency information that isn’t actually there.
[7] It mainly comes down to the fact that analog low pass filters are imperfect, and these frequencies are well-suited for syncing with other data streams, such as standard definition video in the case of 48kHz. For those reasons, we rather choose the sampling rate a bit too high than too low.
[8] Technically, the entire process of digitizing a signal is called quantization, but that’ll get confusing.
[9] We can also use floating-point numbers (basically decimal), but that’s not something FLAC supports and it’s not generally superior to integer sample representation.
[10] This is a simplification and technically wrong. Any range sizes for these values are possible as an amplitude, and there are five differently sized ranges with six numbers. My point still stands: The differences are very hearable.
- published: 21 Jan 2022
- views: 10976
5:08
What is a Codec as Fast As Possible
Ever had to download a codec to play back a video or audio file? Ever wondered what the devil they are and why we need them? Now you can know in about 4 minutes...
Ever had to download a codec to play back a video or audio file? Ever wondered what the devil they are and why we need them? Now you can know in about 4 minutes!
Click the Hotspot Shield Link for more information about accessing geo-restricted or blocked content and to save 20% on your Elite membership:
http://www.hotspotshield.com/lp/access_us_sites_elite_trial_amb6/?utm_source=linus&utm_medium=video&utm_campaign=accessuscontent
VLC download: http://www.videolan.org/vlc/
CCCP download: http://cccp-project.net/
https://wn.com/What_Is_A_Codec_As_Fast_As_Possible
Ever had to download a codec to play back a video or audio file? Ever wondered what the devil they are and why we need them? Now you can know in about 4 minutes!
Click the Hotspot Shield Link for more information about accessing geo-restricted or blocked content and to save 20% on your Elite membership:
http://www.hotspotshield.com/lp/access_us_sites_elite_trial_amb6/?utm_source=linus&utm_medium=video&utm_campaign=accessuscontent
VLC download: http://www.videolan.org/vlc/
CCCP download: http://cccp-project.net/
- published: 03 Apr 2014
- views: 446102
13:14
Product Showcase: SparkFun Audio Codec Breakout
Find it here: https://www.sparkfun.com/products/21250
The SparkFun Audio Codec Breakout - WM8960 is a low power, high quality stereo codec with 1W Stereo Class...
Find it here: https://www.sparkfun.com/products/21250
The SparkFun Audio Codec Breakout - WM8960 is a low power, high quality stereo codec with 1W Stereo Class D speaker drivers and headphone drivers. The WM8960 acts as a stereo audio ADC and DAC, and communicates using I2S, a standard audio data protocol (not to be confused with I2C). This audio codec is chock full of features some of which includes advanced on-chip digital signal processing for automatic level control (ALC) for the line or microphone input, programmable gain amplifier (PGA), pop and click suppression, and its ability to configure I2S settings and analog audio path through software via I2C.
https://wn.com/Product_Showcase_Sparkfun_Audio_Codec_Breakout
Find it here: https://www.sparkfun.com/products/21250
The SparkFun Audio Codec Breakout - WM8960 is a low power, high quality stereo codec with 1W Stereo Class D speaker drivers and headphone drivers. The WM8960 acts as a stereo audio ADC and DAC, and communicates using I2S, a standard audio data protocol (not to be confused with I2C). This audio codec is chock full of features some of which includes advanced on-chip digital signal processing for automatic level control (ALC) for the line or microphone input, programmable gain amplifier (PGA), pop and click suppression, and its ability to configure I2S settings and analog audio path through software via I2C.
- published: 26 Jan 2023
- views: 6653
6:17
Audio File Formats - MP3, AAC, WAV, FLAC
What's the difference between common audio file formats like MP3, AAC, WAV, and FLAC?
Freshbooks message: Head over to http://freshbooks.com/techquickie and do...
What's the difference between common audio file formats like MP3, AAC, WAV, and FLAC?
Freshbooks message: Head over to http://freshbooks.com/techquickie and don’t forget to enter Tech Quickie in the “How Did You Hear About Us” section when signing up for your free trial.
Techquickie Merch Store: https://www.designbyhumans.com/shop/L...
Techquickie Movie Poster: https://shop.crowdmade.com/collection...
Leave a comment with your requests for future episodes, or tweet them here: http://twitter.com/jmart604
Follow: http://twitter.com/linustech
Join the community: http://linustechtips.com
https://wn.com/Audio_File_Formats_Mp3,_Aac,_Wav,_Flac
What's the difference between common audio file formats like MP3, AAC, WAV, and FLAC?
Freshbooks message: Head over to http://freshbooks.com/techquickie and don’t forget to enter Tech Quickie in the “How Did You Hear About Us” section when signing up for your free trial.
Techquickie Merch Store: https://www.designbyhumans.com/shop/L...
Techquickie Movie Poster: https://shop.crowdmade.com/collection...
Leave a comment with your requests for future episodes, or tweet them here: http://twitter.com/jmart604
Follow: http://twitter.com/linustech
Join the community: http://linustechtips.com
- published: 20 Jun 2017
- views: 1453569
17:43
Bluetooth Codecs Explained
Bluetooth Codecs Explained. There are lots of different Bluetooth codecs available but what are they, how do they perform and which one is best? Whats it all ab...
Bluetooth Codecs Explained. There are lots of different Bluetooth codecs available but what are they, how do they perform and which one is best? Whats it all about?
👏 Support the channel 👏
Like, share, subscribe
💵 Donate via PayPal: https://paypal.me/wheezyreviews
💵 Donate via Ko-Fi: https://Ko-fi.com/wheezyreviews
💵 Use my Amazon Affiliate Link whenever you shop at Amazon, this will cost you nothing extra: https://amzn.to/3ENTXXj
💯 Thanks 💯
--- Social ---
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🐦Twitter: https://twitter.com/wheezytech
📘 Facebook: https://www.facebook.com/wheezytech
📷 Instagram: https://www.instagram.com/wheezytech
⚖️ All Amazon links are affiliate links. As an Amazon Associate, I earn from qualifying purchases.
https://wn.com/Bluetooth_Codecs_Explained
Bluetooth Codecs Explained. There are lots of different Bluetooth codecs available but what are they, how do they perform and which one is best? Whats it all about?
👏 Support the channel 👏
Like, share, subscribe
💵 Donate via PayPal: https://paypal.me/wheezyreviews
💵 Donate via Ko-Fi: https://Ko-fi.com/wheezyreviews
💵 Use my Amazon Affiliate Link whenever you shop at Amazon, this will cost you nothing extra: https://amzn.to/3ENTXXj
💯 Thanks 💯
--- Social ---
🔗 https://links.wheezy.tech
📰 Website: https://wheezy.tech
🐦Twitter: https://twitter.com/wheezytech
📘 Facebook: https://www.facebook.com/wheezytech
📷 Instagram: https://www.instagram.com/wheezytech
⚖️ All Amazon links are affiliate links. As an Amazon Associate, I earn from qualifying purchases.
- published: 28 Feb 2020
- views: 65452
17:44
Advances in audio codecs
When WebRTC launched in 2011, it came with a new audio codec called opus which remains a great choice today. We will review contenders like the machine-learning...
When WebRTC launched in 2011, it came with a new audio codec called opus which remains a great choice today. We will review contenders like the machine-learning based Lyra and Satin codecs and reliability mechanisms like RED and FEC to see how they give even better quality.
Speaker: Philipp Hancke, webrtcHacks
Thank you to our sponsors!
Google - https://webrtc.org
Daily - https://bit.ly/3YfA59V
Krisp - https://bit.ly/3URrnM0
Spearline - https://bit.ly/3FNQ7AN
SUBSCRIBE TO OUR WEEKLY: https://webrtcweekly.com/
https://wn.com/Advances_In_Audio_Codecs
When WebRTC launched in 2011, it came with a new audio codec called opus which remains a great choice today. We will review contenders like the machine-learning based Lyra and Satin codecs and reliability mechanisms like RED and FEC to see how they give even better quality.
Speaker: Philipp Hancke, webrtcHacks
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- published: 14 Dec 2022
- views: 3145
9:23
Bluetooth Audio Quality Showdown! LDAC vs APTX HD vs AAC vs SBC!
I've seen a ton of debates and showdowns on different wireless audio solutions. Comparing AAC, APTX, and LDAC is kind of useless if all you can share is anecdot...
I've seen a ton of debates and showdowns on different wireless audio solutions. Comparing AAC, APTX, and LDAC is kind of useless if all you can share is anecdotal listening experiences. Doubly so if people are listening on different headphones for their comparisons.
We need something we can measure!
Sony and Qualcomm make some pretty steep claims about audio quality. More than just listening, let's actual analyze some data!
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https://wn.com/Bluetooth_Audio_Quality_Showdown_Ldac_Vs_Aptx_Hd_Vs_Aac_Vs_Sbc
I've seen a ton of debates and showdowns on different wireless audio solutions. Comparing AAC, APTX, and LDAC is kind of useless if all you can share is anecdotal listening experiences. Doubly so if people are listening on different headphones for their comparisons.
We need something we can measure!
Sony and Qualcomm make some pretty steep claims about audio quality. More than just listening, let's actual analyze some data!
Support SomeGadgetGuy! The complete list of how you can contribute to production on this channel AND get yourself some cool stuff! http://somegadgetguy.com/2012/07/15/support-somegadgetguy-get-cool-stuff/
Support production on this channel! Early access, BTS, Fun Perks and MORE! https://www.patreon.com/SomeGadgetGuy
I wrote a book! If you want to take your smartphone photography and video skills up a notch, you'll want to read my book! 'Take Better Photos: Smartphone Photography for Noobs!' is now available - http://amzn.to/1LZMa52
Get some GREAT games for cheap! Humble Bundle Monthly! At least $100 worth of games each month for around $12! https://www.humblebundle.com/monthly?refc=MShhPy
Buying a OnePlus? Use this link to get $20 towards accessories when you buy one! https://www.oneplus.com/invite#HHII19IUDV51I7U
Shop for electronics using the following link on Amazon to support our site and reviews at no additional cost to you: http://goo.gl/aK495
SomeGadgetGuy's Gear List
Panasonic G85 http://amzn.to/2oKNwAm
Panasonic 15mm f/1.7 http://amzn.to/2qWH0UZ
Panasonic 25mm f/1.7 http://amzn.to/2ohTzsd
Sennheiser ClipMic Digital http://amzn.to/2p5iTqg
Focusrite 6i6 Audio Interface http://amzn.to/2p5l7py
Shure SM57 Microphone http://amzn.to/2oypnLm
Cloudlifter CL1 http://amzn.to/2oKN9G5
LED Light Panels http://amzn.to/2oy60ls
AJA U-TAP HDMI http://amzn.to/2wfprBF
Elgato HD S http://amzn.to/2p95Unu
Get a free 30 day trial at Audible! Sign up using this link to get TWO free audiobooks AND support this channel! http://bit.ly/GeekBookClub
--------------------------------------
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- published: 07 Jan 2019
- views: 366763
7:48
VoIP Fundamentals - Codecs
In order for people to speak over VoIP, their speech must be digitally encoded, transmitted across an IP network, and then converted back to a form the human ea...
In order for people to speak over VoIP, their speech must be digitally encoded, transmitted across an IP network, and then converted back to a form the human ear can interpret. This module describes how this is done.
https://wn.com/Voip_Fundamentals_Codecs
In order for people to speak over VoIP, their speech must be digitally encoded, transmitted across an IP network, and then converted back to a form the human ear can interpret. This module describes how this is done.
- published: 24 Apr 2020
- views: 8013