3.8 Language Support(audio)
The streams include content in multiple languages. Each set of content consists of two programs:
a main audio program that contains speech in English, Chinese, or German, and an associated program that contains a tone or music.
English content: • Main audio is mono and contains English speech. • Associated audio is mono and contains a 2 kHz tone.
Chinese content: • Main audio is stereo and contains Chinese speech. • Associated audio is stereo and contains a 1 kHz tone in the L channel and a 4 kHz tone in the R channel.
German content: • Main audio is 5.1 channels and contains German speech. • Associated audio is 5.1 channels and contains music.
Perform the following steps for all supported audio encoding formats:
1. Select English as the product language. 2. Play the Multiple_Languages_2PID_.trp transport streams. The main audio content is English. If dual decoding is supported, the associated audio program plays a mono tone.
3. Set the product language setting to Chinese. 4. Play the Multiple_Languages_2PID_.trp transport streams. The main audio content is Chinese. If dual decoding is supported, the associated audio program plays stereo tones.
5. Set the product language setting to German. 6. Play the Multiple_Languages_2PID_.trp transport streams. The main audio content is German. If dual decoding is supported, the associated audio program plays music.
from Dolby® MS10 Multistream Decoder System Test Procedure/3.8 Language Support.