User manual

Imagestore HDTV User Manual Standard Mixfiles

Miranda Technologies Ltd Page 253

Note It is not recommended to use VO preset level unless this is desired

globally for the VO. This is because each input bunch to the voice-

over is used to represent three input channels, whereas each output

bunch is used to represent two channels.

7.1 Channel Mixfiles

Introduction

A set of related mixfiles are now provided to cater for 7.1 surround mixing

within the Imagestore audio engine. There are variations for AES and

embedded mixing, with Easyplay and/or external AES voice-over insertion.

All of the 7.1 mixfiles use the channel ordering presented below:

It is worth noting that the AES variant of the 7.1 mixfiles does not offer dual

voice-overs. This is due to the physical limitation of AES input channels.

Mix Modes

To provide the maximum level of flexibility for 7.1 surround sound, three

common mix modes are provided for the Imagestore audio engine. These mix

modes allow a variety of common tasks to be performed by the dynamic

reconfiguration of the audio engine via the input select automation command,

substitiuting the group number with the mix mode number. The shuffles

Stereo left

Stereo right

Centre

Surround left

Surround right

LF channel

Rear left

Rear right