90 lines
2.9 KiB
Org Mode
90 lines
2.9 KiB
Org Mode
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#+title: S08 | Audio Recording Fundamentals - 57, 58, 59
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* Links
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- [[../../toc.org][TOC - Ableton Notes]]
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- [[https://www.udemy.com/course/ableton-live-11-masterclass/learn/lecture/25898766#overview][S08:L57 - Hardware Setup]]
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- [[https://www.udemy.com/course/ableton-live-11-masterclass/learn/lecture/25898768#overview][S08:L58 - Latency]]
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- [[https://www.udemy.com/course/ableton-live-11-masterclass/learn/lecture/25898772#content][S08:L59 - Microphone Placement]]
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* Notes
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** hardware setup
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*** microphone
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1. need XLR cables
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- 3 pin
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- used for the microphone
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2. plug the microphone to the interface using the xlr cables
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- inputs 1 or inputs 1 + 2
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- can plug in multiple microphones
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3. plug the interface into the computer
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*** using interface for backsound
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- recomended
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- plug the speakers into the interface
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- speakers are plugged into the outputs on the interface device
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- outputs 1 + 2
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*** notify ableton of what you are doing
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- go to Preferences->Audio
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- Audio Input Device
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- Audio Output Device
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*** turn on the channels you are going to use
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- Settings->Audio->Channel Configuration->Input Config
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- turn it on for both mono inputs and stereo inputs
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- turn on the ones you are going to use, that your device is capable of using
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*** sample rate
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- what sample rate do you want to record at?
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- standard for digital audio is 44100 samples per second
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- 48000 is becoming standard
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- you can go to 88200
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- will make huge files
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- for concerts
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** latency
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latency is the delay going into your microphone and going out through your speakers
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we need to make that as small a time as possible
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*** buffer size
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- how big of a chunk live is going to use to process the sound
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- higher values give higher sounds quality
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- but also cause higher required processing time
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- 32 samples
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- no problem for recording
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- problem for playback
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*** driver error compensation
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- if your audio interface has a certain amount of latency built in, you can indicate that there
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- check your documentation for your audio interface
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*** input latency
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- this is what will cause the problems, so you need to focus on that
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** microphone placement
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*** how much air is going into your microphone
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- this will give you a ballpark figure
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- think about the type of microphone
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- dynamic microphones can handle a lot of air better
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- condensers are highly sensitive
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*** the way to block off air is by using a "wind screen"
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- this protects against 'p' sounds
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*** trumpets
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- dynamic might not be an issue
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- with a condensor, that is sensitive
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- put it in front and turn it
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- move it off to the side a little bit
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- you are moving the diaphram off at an angle so a lot of the air will angle off
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