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HDMI Audio Analyzer

26.05 2008 | Audio Precision, the world leader in audio test and measurement, introduces the first audio analyzer capable of testing HDMI and Blu-ray audio. Engineers working with HDMI can now benefit from the speed and ease-of-use of the APx585 multichannel audio analyzer to measure HDMI audio quality on devices such as surround sound receivers, set-top boxes, HD TVs, and DVD & Blu-ray Disc players.

The new APx HDMI option for the APx585 includes a fully compliant HDMI 1.3A Source and Sink interface that can generate and analyze test signals in real time on up to 8 channels. On the input (HDMI Sink) the APx will accept an HDMI signal and analyze the audio content. All standard audio measurements are available including level, SNR, distortion, phase, crosstalk, group delay and others. Generated video formats and HDCP encryption canAPx_HDMIbe toggled to test for effect on embedded audio. Multiple signal paths can be defined to test all input and output variations (HDMI input to speaker output; SPDIF input to HDMI output etc.).

In addition to linear PCM audio streams, APx can generate lossless formats such as dts-HD Master Audio, and compressed formats such as Dolby Digital and dts Digital Surround. All signals are available in 24-bit 48 kHz versions; the linear and lossless tones can also be generated at sample rates up to 192 kHz.

For more details see - APx Audio Analyzer