This commit is contained in:
Jamie Hardt
2022-11-24 22:21:03 -08:00
parent b830b8cdc2
commit d5b6f15e28
2 changed files with 12 additions and 8 deletions

View File

@@ -1,5 +1,5 @@
Broadcast WAV Extension Broadcast WAV Extension Metadata
======================= ================================
Notes Notes
@@ -9,13 +9,13 @@ which includes a 256-character free text descrption, creating entity identifier
recording application or equipment), the date and time of recording and a time reference for recording application or equipment), the date and time of recording and a time reference for
timecode synchronization. timecode synchronization.
The :py:attr:`coding_history<wavinfo.wave_bext_reader.WavBextReader.coding_history>` is designed to contain a record of every conversion performed on the audio The :py:attr:`coding_history<wavinfo.wave_bext_reader.WavBextReader.coding_history>`
file. is designed to contain a record of every conversion performed on the audio file.
In this example (from a Sound Devices 702T) the bext metadata contains scene/take slating In this example (from a Sound Devices 702T) the bext metadata contains scene/take slating
information in the :py:attr:`description<wavinfo.wave_bext_reader.WavBextReader.description>`. information in the :py:attr:`description<wavinfo.wave_bext_reader.WavBextReader.description>`.
Here also the :py:attr:`originator_ref<wavinfo.wave_bext_reader.WavBextReader.originator_ref>` is a serial number conforming Here also the :py:attr:`originator_ref<wavinfo.wave_bext_reader.WavBextReader.originator_ref>`
to EBU Rec 99. is a serial number conforming to EBU Rec 99.
If the bext metadata conforms to `EBU 3285 v1`_, it will contain the WAV's 32 or 64 byte `SMPTE If the bext metadata conforms to `EBU 3285 v1`_, it will contain the WAV's 32 or 64 byte `SMPTE
ST 330 UMID`_. The 32-byte version of the UMID is usually just a random number, while the 64-byte ST 330 UMID`_. The 32-byte version of the UMID is usually just a random number, while the 64-byte

View File

@@ -4,14 +4,18 @@ Dolby Metadata
Notes Notes
----- -----
Dolby software and equipment creates detailed hinting metadata that can help
receiving applications decide how to present the audio content, particularly
how it should be downmixed, and dialogue normalization settings.
Class Reference Class Reference
--------------- ---------------
.. automodule:: wavinfo.wave_dbmd_reader .. automodule:: wavinfo.wave_dbmd_reader
.. autoclass:: wavinfo.wave_dbmd_reader.WavDolbyChunkReader .. autoclass:: wavinfo.wave_dbmd_reader.WavDolbyMetadataReader
:members: :members:
.. autoclass:: wavinfo.wave_dbmd_reader.DolbyDigitalPlusMetadata .. autoclass:: wavinfo.wave_dbmd_reader.DolbyDigitalPlusMetadata
:members: :members: