Enum DVDAudioCaps

Namespace

VisioForge.Core.Types.MediaInfo

Assembly

VisioForge.Core.dll

Defines the audio format capabilities supported by a DVD player or decoder, represented as bit flags.

[Flags]
public enum DVDAudioCaps

Fields

None = 0

No audio format capabilities are supported or specified.

This value indicates that either no audio capabilities have been queried yet, or the device doesn't support any DVD audio formats.

AC3 = 1

Supports AC3 (Dolby Digital) audio decoding.

AC3, also known as Dolby Digital, is the most common audio format on DVDs. It provides compressed 5.1 surround sound at bitrates from 192 to 448 kbps. This format is mandatory for NTSC DVDs and very common on PAL DVDs. AC3 offers good quality with efficient compression, making it the standard choice for most DVD releases.

MPEG2 = 2

Supports MPEG-2 audio decoding (including MPEG-1 Layer II).

MPEG-2 audio includes both MPEG-1 Layer II (commonly used in Europe) and MPEG-2 multichannel extensions. This format is mandatory for PAL DVDs and optional for NTSC. It supports stereo and multichannel configurations with bitrates typically ranging from 64 to 384 kbps.

LPCM = 4

Supports LPCM (Linear Pulse Code Modulation) uncompressed audio.

LPCM provides uncompressed digital audio with the highest quality possible on DVD. It supports various sampling rates (48/96 kHz) and bit depths (16/20/24-bit). While offering superior audio quality, LPCM requires significantly more disc space than compressed formats. It's commonly used for music DVDs, concert recordings, and high-end releases where audio quality is paramount.

DTS = 8

Supports DTS (Digital Theater Systems) audio decoding.

DTS is an optional high-quality audio format that competes with Dolby Digital. It typically uses higher bitrates (768-1536 kbps) than AC3, potentially offering better audio quality. DTS support is optional for DVD players, so content with only DTS audio may not play on all devices. Many DVDs include both AC3 and DTS tracks to ensure compatibility while offering enhanced quality for capable systems.

SDDS = 16

Supports SDDS (Sony Dynamic Digital Sound) audio decoding.

SDDS is a rare format developed by Sony that supports up to 7.1 channels. It uses ATRAC compression and was primarily designed for theatrical releases. Very few DVDs include SDDS tracks, and support in consumer players is extremely limited. This capability flag is mostly relevant for professional or specialized playback systems.

Remarks

This enumeration uses bit flags to indicate which audio formats a DVD player or decoder can handle. Multiple formats can be supported simultaneously by combining flags using bitwise OR operations. The values correspond to the audio formats defined in the DVD-Video specification, and a player must support at least one of these formats to be DVD-compliant. These capabilities are typically queried during DVD playback initialization to determine the optimal audio stream to select.