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  2. Media hardware acceleration
  3. Media-engine generations
  4. NVIDIA media-engine generations
  5. NVIDIA Ada Lovelace media capabilities
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    NVIDIA Ada Lovelace media capabilities

    Ada Lovelace media implementations include AV1 encoding on the specified products, with codec tools, engine counts and input/output constraints belonging to their exact matrix rows.

    Ada Lovelace adds a documented NVIDIA AV1 output-encoding path on the specified products, alongside AV1 reconstruction.

    That changes the set of possible source/target combinations, provided the application and receiver can use the selected representation.

    A named product gives concrete feature scope

    Selected GeForce RTX 4090 matrix entries include:

    Property Declaration
    NVENC generation / physical count Eighth / two
    NVDEC generation / physical count Fifth / one
    AV1 4:2:0 encoding Yes
    AV1 8/10-bit decoding Yes
    HEVC ten-bit and B-frame encoding Yes
    Listed H.264/HEVC 4:2:2 encoding columns No

    The absence in the selected 4:2:2 columns is distinct from ordinary 4:2:0 support. The requested sample configuration should remain visible in the claim.

    AV1 output needs a compatible receiver

    An original Emby conversion exercise takes HEVC Main 10 input and prepares AV1 output. A supported source decoder, picture route and AV1 encoder establish the server-side operations.

    The receiving app still needs the chosen AV1 profile, packaging and presentation path. A server encoder capability does not configure the client's decoder.

    The reverse direction—AV1 input to H.264 output—selects another encoder while retaining AV1 reconstruction.

    Two encoders describe physical work resources

    The RTX 4090 count of two NVENC units is useful for aggregate processing capacity under the documented workload and driver behavior.

    It does not mean two clients are the only permitted workload, or that a twelve-session system policy becomes twenty-four. Physical units, permitted active sessions and sustainable media throughput are different quantities.

    Concurrent sessions develops that distinction with a checked original workload example.

    Preserve the coding choices in a quality comparison

    AV1, HEVC and H.264 use different representations and tool sets. Comparing outputs needs the same prepared source interval, target dimensions/cadence, achieved rate and declared encoder configuration.

    See Also

    • NVIDIA Ampere media capabilities
    • NVIDIA Blackwell media capabilities
    • NVIDIA NVENC
    • How to read a hardware codec support matrix
    • Concurrent encoder sessions, policy and capacity

    References

    • NVIDIA: Video encode/decode support matrix
    • NVIDIA SDK 13.1: NVENC capabilities and session policy
    • NVIDIA SDK 13.1: NVDEC capabilities
    • NVIDIA SDK 13.1: NVENC programming guide
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