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MUSC1010 Semester 2 2010

MUSC1010 Semester 2 2010. www.music.uq.edu.au/mustech. Course Details. MUSC1010 as a starting point. MUSC1010 is designed to provide a grounding in music technology. There are a number of possibilities for where to take it. Use of the studio 478. Access Card - payment form from music admin

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MUSC1010 Semester 2 2010

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  1. MUSC1010 Semester 2 2010 www.music.uq.edu.au/mustech

  2. Course Details

  3. MUSC1010 as a starting point MUSC1010 is designed to provide a grounding in music technology. There are a number of possibilities for where to take it

  4. Use of the studio 478 Access Card - payment form from music admin - pay at JD Storey building - access on weekdays is 8am – 10pm and on weekends 9am - 5pm - bookings for 2hrs twice a week Security - don’t lend your card to anyone - don’t let in people who knock Backup - create the folder D:/your name/ for saving - USB flash drive - backing up is crucial and your responsibility Computer problems - red folder near the studio door - email Peter Freeman and CC to Michael Patterson. Other rules - no food or drink - respect the equipment and eachother. Leave the lab how you’d like to find it 

  5. Adobe Audition 3.0 • sound recording • editing • looping • mixing • sound analysis A free 30 day trial of Audition is available from the Adobe website. To run this program on a Mac you will need to run the Windows operating system. If you don’t already have this option you can download a free trial of VMWare’s Fusion software.

  6. Pro Tools 8 • sound recording • editing • looping • mixing • basic mastering • MIDI sequencing • virtual instruments Pro Tools requires specific hardware and is therefore not available as a trial or free download. You will need to complete Pro Tools assignments in the UQ computer lab.

  7. Sibelius 6 • Importing MIDI files • Presenting arrangements for performance There is a trial version of Sibelius available for download but it does not allow the user to save files. You will need to complete the Sibelius assignment using the UQ computer lab.

  8. Smartphone and touchscreen-tablet applications are becoming numerous

  9. Digital Audio Workstation (DAW) is a common description for software like Pro Tools, Cubase, Sonar, Audition, etc.. These programs in conjunction with a suitable sound card enable the user to record audio and manipulate it in a number of different ways. All these programs use a graphical representation of audio data.

  10. An audio recording can be stereo (as displayed on previous slide), or mono (as displayed below). Adobe Audition displays audio for the left speaker on top. If the audio recording is mono then the same sound comes out of each speaker. Consider the examples of sound recordings above, one being a sine wave and the other a square wave. You can think of each graph as a representation of the movement of a speaker cone graphed against time. The smooth movement of the sine wave renders a smooth movement of the speaker cone in and out, whereas the square wave forces the speaker cone to jump in and out abruptly.

  11. Adobe Audition uses a number of other displays to show information about an audio recording. They include the spectral frequency, spectral pan and spectral phase displays. The spectral frequency display is particularly useful when considering the tone of a sound. A very bright, trebly sound will have more energy in the higher frequency areas. Adobe audition shows areas of greater intensity with brighter colours.

  12. Sound caused by vibration – transmitted through air – detected by ear drum •  the intensity of this vibration is measured POWER/AREA. As sounds disperse from a source the intensity decreases (inverse square relationship to distance) like a pebble dropped into a pond •  Human ear drum can detect sounds with an intensity 1*10-12 W/m2. This corresponds to a sound which will displace particles of air by one billionth of a centimetre. •  The sorts of sounds that occur around us every day can range in intensity up to a trillion times more intense than this. Therefore it is useful to use a logarithmic scale. The decibel scale is a base 10 logarithmic scale commonly used to measure sound intensity.

  13. If the sound intensity of a mower is 100 times greater than that of a car, how many decibels louder is the mower? If a violin is twice as loud (in terms of sound intensity) as a viola how many decibels louder is it? If you wanted to quadruple the sound intensity of an audio recording, by how many decibels would you adjust its amplitude? The resolution of an audio recording is determined by two factors; sample rate (the X axis of time) measured in Hz bit depth (the Y axis of amplitude or sound intensity) measure in bits

  14. As one reduces the sample rate, how is the sound effected? In a recording of drums which part of the kit would suffer the most from recording with a low sample rate? Would a square wave generated at a low sample rate sound harsher than a square wave at a high sample rate? The effect of lowering the sample rate;

  15. Making loops in Audition • [ and ] keys during playback • adjust start and end points with mouse (zoom in to check for zero crossing) • audition using the loop playback key • Copy to new • Define Loop properties (Ctrl-P) • Insert into Multitrack view. Drag to required length

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