Riguardo all'audio su HDMI nel manuale in inglese del TX-SR604 e TX-SR674 dicono le seguenti cose:
The AV receiver’s HDMI interface is based on the following standard:
High-Definition Multimedia Interface Specification Informational Version 1.1
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Supported Audio Formats
• 2-channel linear PCM (32–192 kHz, 16/20/24 bit)
• Multichannel linear PCM (5.1 ch, 32–96 kHz, 16/20/24 bit)
• Bitstream (Dolby Digital, DTS)
Your DVD player must also support HDMI output of the above audio formats.
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Audio Signal Flow Chart
Digital audio signals received at HDMI
IN 1 or 2 are output by the speakers and
headphones connected to the AV receiver.
They’re also output by the OPTICAL
OUT and can be output by the HDMI
OUT by setting the HDMI Audio Out setting
to On
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For PCM 176.4/192 kHz signals input through HDMI IN, only Pure Audio, Direct, and Stereo listening modes can be selected.
CIAo