Digital Audio

Bandwidth

Sample Rate x Bit depth x # of channels

Professional Audio Sample Rates

48, 96, 192 Hz

Professional Bit Depths

24, 32

Compression

Eliminates processing overhead and signal latency, required for bandwidth limits

Pulse code modification in CD, MPEG, AIFF, HDMI, AES3, WAV

Lossless Audio Compression

Requires high processing power which may introduce latency but reduces stream 50-70% and retains all audio of original signal (FLAC, Monkey, ALAC, 2 file wavepac)

Lossy Audio Compression

enables files and stream size reduction but accuracy is lowered, so best preforming in high ambience noise level environments (MPEG-2, MP3, AAC)

AVB

IEEE Standard; transports uncompressed video and up to 200 channels of 4kHz, 24 bit audio in real time with control and monitoring using ethernet frames

Dante

TCP/IP networks, do not rely on ethernet, no separate infrastructure required

Audio over Ethernet

CobraNet, Ethersound - no tcp/i[

AES67

Simplified choice of equipment and protocols used

Unicast

One to one connection between sender and reciever, each having a direct relationship to host server and taking up bandwidth. May be send between networks with buffering

Multicast

One to many transmission, as client subscribes to host addresses and server sends stream through class D IP

Can only be sent across LAN and private nwks