Sony HT-9900M Operating Instructions - Page 91

◆ AUDIO FILTER (except Super Audio CD) Selects a digital filter to reduce noise above 22.05 kHz (Sampling frequency (Fs) of the audio source is 44.1 kHz), 24 kHz (Fs is 48 kHz), or 48 kHz (Fs is above 96 kHz). SHARP Provides a wide frequency range and spatial feeling. SLOW Provides smooth and warm sound. Note There may be little effect by changing the digital filter depending on the disc or playback environment. ◆ DOWNMIX (DVD VIDEO/DVD-RW only) Switches the method for mixing down to 2 channels when you play a DVD which has rear sound elements (channels) or is recorded in Dolby Digital format. For details on the rear signal components, see "Displaying the disc's audio information" (page 68). This function affects the output of the following jacks: - LINE OUT AUDIO L/R 1/2 jacks - DIGITAL OUT (COAXIAL or OPTICAL) jack when "DOLBY DIGITAL" is set to "D-PCM" (page 91). DOLBY SURROUND NORMAL Normally select this position. Multi-channel audio signals are output to two channels for enjoying surround sounds. Multi-channel audio signals are downmixed to two channels for use with your stereo. ◆ DIGITAL OUT (except Super Audio CD) Selects if audio signals are output via the DIGITAL OUT (COAXIAL or OPTICAL) jack. ON Normally select this position. When you select "ON," see "To set the digital output signal" for further settings. OFF The influence of the digital circuit upon the analog circuit is minimal. Note Super Audio CD audio signals are not output from the digital jack. To set the digital output signal The following switches the method of outputting audio signals when you connect a component such as an amplifier (receiver) or MD deck with a digital input jack. For connection details, see page 21. Select "DOLBY DIGITAL," "DTS," and "48kHz/96kHz PCM" after setting "DIGITAL OUT" to "ON." AUDIO SETUP AUDIO ATT: OFF AUDIO DRC: STANDARD AUDIO FILTER: SHARP DOWNMIX: DOLBY SURROUND DIGITAL OUT: ON DOLBY DIGITAL: D-PCM DTS: D-PCM 48kHz/96kHz PCM: 48kHz/16bit If you connect a component that does not conform to the selected audio signal, a loud noise (or no sound) will come out from the speakers, damaging your ears or speakers. • DOLBY DIGITAL (DVD VIDEO/DVD- RW only) Selects the type of Dolby Digital signal. D-PCM Select this when the player is connected to an audio component lacking a built-in Dolby Digital decoder. You can select whether the signals conform to Dolby Surround (Pro Logic) or not by making adjustments to the "DOWNMIX" item in "AUDIO SETUP" (page 91). DOLBY DIGITAL Select this when the player is connected to an audio component with a built-in Dolby Digital decoder. • DTS (DVD VIDEO only) Selects the type of DTS signal. D-PCM Select this when the player is connected to an audio component without a built-in DTS decoder. DTS Select this when the player is connected to an audio component with a built-in DTS decoder. Settings and Adjustments 91