User Guide

Table Of Contents
45
Waves eMotion LV1 User Guide | Chapter 1: Setup
SAMPLE RATE MASTER VS. SAMPLE RATE SLAVE
The clock master device sets the sample rate for all devices in the systemeverything locked to its clock must adjust to its sample
rate. Although the clock master distributes clock at a specified sample rate throughout the system, it does not necessarily
determine what that sample rate will be. This is fixed by the sample rate master, which can be the clock master, or the mixer, or
another system that provides clock. Almost any device whose sample rate can be set can be a sample rate master.
There are two drop-down menus that control how sample rate is set.
1. Sample Rate Master/Slave Status Selector
This menu controls whether the mixer is the sample rate master or a slave. As such, it determines how the
sample rate of a system is established.
Mixer as Sample Rate Master
When set to Master mode, the Sample Rate menu setting instructs the clock master device to change its sample rate. This in
turn changes the sample rate of all SoundGrid devices in the mixer system. The clock master supplies the requested sample rate
from any of its available sources (e.g., AES, S/PDIF, Word Clock, Internal. The priority of clock sources differs according to the
specific device). If none of these sources can switch to the desired sample rate, the clock master’s icon will turn red, as will the
sample rate indicator. Audio will mute. At this point, you can choose to stay at the previous sample rate or find another means
of clocking the system.
Mixer as Sample Rate Slave
When set to Slave mode, the mixer system sample rate is determined by another system. When the sample rate of the clock
master device changes, the mixer automatically adjusts its sample rate to match.
The mixer system can, for example, receive clock from another system, such as a hardware mixing console. If the hardware
mixing console is the clock and sample rate master of its system and the SoundGrid system is locked to that, then eMotion LV1
must assume the role of sample rate slave.