User Guide

44 Chapter 4, Preparing Assets
Preparing Audio Assets
Supported audio formats in Scenarist include PCM (WAV and AIFF), MPEG-1 Layer 2 (PAL
titles only), Dolby Digital (AC-3), and DTS (Digital Theater System). When preparing audio
for DVD-Video titles, you must balance the disc space and audio bandwidth against the
video quality and play time. Table 3 lists the encoding requirements for the supported audio
formats.
Table 3: Scenarist audio stream requirements
Audio Format NTSC PAL Channels Rate Bits Encoding Bit Rate
PCM yes yes Mono 48 kHz 16 .768 Mbps
Mono 48 kHz 20 .960 Mbps
Mono 48 kHz 24 1.152 Mbps
Mono 96 kHz 16 1.536 Mbps
Mono 96 kHz 20 1.920 Mbps
Mono 96 kHz 24 2.304 Mbps
Stereo 48 kHz 16 1.536 Mbps
Stereo 48 kHz 20 1.920 Mbps
Stereo 48 kHz 24 2.304 Mbps
Stereo 96 kHz 16 3.072 Mbps
Stereo 96 kHz 20 3.840 Mbps
Stereo 96 kHz 24 4.608 Mbps
MPEG-1 Layer 2 no yes Stereo 48 kHz – 64–384 kbps
Dolby Digital (AC-3) yes yes Stereo 48 kHz – 192 kbps (228 kbps for
extended frequ. response)
5.1 48 kHz – 384 kbps or higher
(448 kbps recommended)
DTS (Digital Theater
System)
yes yes 5.1 48 kHz – 768–1536 kbps
6.1 48 kHz – 768–1536 kbps