Lecture 2-4-14

REVIEW

Additive Synthesis

The human body can receive sound from 20 hz= 22,050 khz,

22,050            Nyquist Frequency

44,100            The CD

<72                 Dancing

72                   Average human heartbeat

>72                 Relaxing, introspective, somber, mellow

>60                 Rhythm

20                   Around then, starting of human hearing

Harmonic Series

1/1   2/1  3/2  4/3  5/4  6/5  7/6  8/7  9/8

            1/1 = Fundamental: Monad

Arithmetic Series 

[1  2  4  8  16]

[32  64 128 256 512] = all C’s

Example of Breaking Down Series :

1/1 -> 256/256  -> Monad: 256

2/1 -> 512/1 ->  512: Yin Yan, eye and the father are one

3/2 ->  etc idk

Use of Prime Numbers

Look at 3:

3/3 =  1/1

4/3=   given

5/3 = 436.6 = A

6/3=   2/1

           

Look at 7:

7/7 =  1/1

8/7 = given

9/7 =  7/3

10/7 =  7/5

11/7 =  402.285  Minor 6^th

12/7=  7/6

13/7 = 475.4285 Minor 7^th

14/7 =  2/1

           

Ring Modulation = Tremolo, vibrato

Frequency Modulation= Bells/ Brass

Amplitude Modulation

Granular Synthesis

MIDI: Musical Instrument Digital Interface

            Midi files= (should already have 5 downloaded) .mid

            Operates as a control protocol from 0-127*

                        -That gives us 128 different values

            3 things:

Midinote 0-127

                        Velocity  0-127

                        Channels 0-127

(usually 16 channels)         

            Channel 10 is drums*

            -Groove and banks are often the same

Midinotes are different from wave files because midinotes do not have any audio information in it. They are only a series of on/off messages, notes, velocities, etc. For most part .mid is a text file (open ur midi file with textedit and c)

Birth of midi in the 80’s

            *2 things MIDI does: It’s a protocol and a format*

HOMEWORK:  

Google: Midi, find some things to play midi.

Blog:    Midi/ Stohastic

Modes

Pick a mode, find where primes appear and in those modes you’ll find new modes. Research. Prime modes are mathematically simple: “music of the spheres”.

                        Stohastic Synthesis

                        Innis Xenukis

Use Cecilia to make Granular Synth

Cecilia= file-> module-> time-> granular

            Upload Files  

Stohastic Generator: (right hand corner, third icon in)

                        (crashes often, oh well)

Make: 5 or 6 of these Granular Synth for Thursday

                        Pitch sound

                        Spoken word

                        Noise

                        (some other stuff, he talks fast)

Join: The facebook page for your midterm software and buy the book for it.

QUIZ THURSDAY!