ANALOG
VS DIGITAL
VS DIGITAL
HOW DO WE REPRESENT DIGITAL AUDIO?
BINARY
WHAT IS A SAMPLE?
A SNAPSHOT OF VOLTAGE/INFORMATION
WHAT IS JITTER?
DIGITAL TIMING ERROR
WHAT IS A CODEC?
FILE SIZE REDUCTION SOFTWARE
WHAT ARE THE TWO STEREO PROTOCOLS?
AES3 AND S/PDIF
ANY ELECTRONIC DEVICE CAPABLE OF CHANGING ELECTRIC POWER FROM ONE FORM TO ANOTHER
CONVERTERS
WHAT IS A SAMPLE RATE ?
THE AMOUNT OF SAMPLE PER SECONDS IN AN AUDIO FILE.
WHAT KEEPS CONVERTERS IN TIME?
THE CLOCK
WHAT ARE TWO TYPES OF DATE COMPRESSION
LOSSLESS AND LOSSY
WHAT IS AN 64 CHANNEL PROTOCOL?
MADI
4 ADVANTAGES OF DIGITAL AUDIO
NON DESTRUCTIVE EDITING
VISUAL EDITING
INSTANT RECALL
FLEXIBILITY
WHAT IS THE NYQUIST THEOREM?
THE SAMPLE RATE MUST BE AT LEAST TWO TIMES THE HIGHEST FREQUENCY BEING RECORDED OR CONVERTED.
WHAT IS THE PROCESS OF CLOCKING ?
HAVING ALL DIGITAL GEAR IN A STUDIO LOOKING AT THE SAME TIMING REFERENCE.
TWO EXAMPLES OF LOSSLESS AND LOSSY AND PCM UNCOMPRESSED CODECS?
LOSSLESS - FLAC M4A OGG
LOSSY - MP3 MP4 M4A OGG
PCM UNCOMPRESSED - WAVE AIFF
WHAT IS THE ONLY PROTOCOL THAT DOESNT USE FIBEROPTIC CABLE?
AES3
WHAT ARE A/D AND D/A CONVERTERS?
A/D-TAKES AC VOLATGE AND CONVERTS INTO BINARY CODE
D/A-TAKES BINARY CODE TO AC VOLTAGE
WHAT DOES SAMPLE RATE AND BIT DEPTH DETERMINE?
SAMPLE RATE- FREQUENCY RESPONSE
BIT DEPTH- DYNAMIC RANGE AND DYNAMIC RESOLUTION.
PULSE THAT CARRIES THE TIMING REFERENCE?
WORD CLOCK
WHAT IS CBR AND VBR?
CBR- CONSTANT BIT RATE , ALL DATA IS COMPRESSED THE SAME
VBR- VARIABLE BIT RATE, LOOKING AT HOW COMPLEX THE DATA IS AND COMPRESSES TO OPTIMIZE THE AUDIO.
WHAT IS MULTIPLEXING?
SENDING MULTIPLE CHANNELS OF AUDIO DOWN A SINGLE CABLE DIGITALLY
WHAT DOES PCM STAND FOR AND WHAT DOES IT DO?
PULSE CODE MODULATION- PROCESS OF CONVERTING AN ANALOG SIGNAL INTO DIGITAL INFORMATION AND BACK AGAIN
WHAT IS AN ANTI-ALIAS FILTER?
LOW PASS FILTER AT THE NYQUIST FREQUENCY WHICH WILL CUT OFF ANY HIGHER FREQUENCIES.
WHAT IS THE SPEED OF A CLOCK IN DIGITAL CLOCKING?
THE SPEED OF THE SAMPLE RATE
WHAT IS THE CD BIT RATE?
1411 KBPS
WHAT IS AN AUDIO PROTOCOL?
RULES OR GUIDELINES THAT DETERMINE WHAT THE DGITIAL AUDIO SIGNAL ENTAILS AND HOW MUCH OR WHAT INFORMATION IS BEING TRANSFERRED.