Technics DVD-A10 DVD-Audio player Measurements part 3
Fig.8 Technics DVD-A10, HF intermodulation spectrum, DC-22kHz, 19+20kHz at 0dBFS into 100k ohms, 96kHz sample-rate data (linear frequency scale).
Another puzzle: When I checked the DVD-A10's S/PDIF digital output using the analytical capabilities of the dCS 972 digital/digital converter, the 96kHz tracks on the "official" DVD-A sampler disc were downsampled to 48kHz and truncated to 16 bits, as required by the DVD Forum. However, when I played 24/96 Chesky or Classic Records DVD-Vs, the player's digital jack output a 96kHz datastream with a full 24 bits of resolution. This suggests that the DVD Forum's restrictions on digital output bit depth and sample rate are implemented as instructions contained on the discs, not the players.—John Atkinson