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audio - AAC Packet Size - Stack Overflow
https://stackoverflow.com/questions/59173435/aac-packet-size
The length of padding isn't actually recorded in the AAC file, and isn't specified in the standard, so everybody just uses 2112 to be compatible with everyone else. 2112 samples is exactly 2.0625 packets. If you want to learn more about this, the magic google words are "AAC priming". Share.
c++ - Packet size (mBytesPerPacket) or the bitrate for …
https://stackoverflow.com/questions/41703106/packet-size-mbytesperpacket-or-the-bitrate-for-aac-files-in-core-audio
The number of bytes in a packet of audio data. To indicate variable packet size, set this field to 0. For a format that uses variable packet size, specify the size of each packet using an AudioStreamPacketDescription structure.
Please help, how to determine AAC packet size?
https://hydrogenaud.io/index.php?topic=66000.0
Please help, how to determine AAC packet size? 2008-09-20 06:21:33. Hello, I am trying to parse an AAC stream and extract at frame (or packet, sorry if I don't have the right terminology) boundaries. When parsing an MP3 stream, I can take the frame length from the header and expect to see a sync word at header offset + frame length.
Technical Note TN2271: Bit Rate Control Modes for AAC …
https://developer.apple.com/library/archive/technotes/tn2271/_index.html
The encoder generates packets of varying size representing constant-size blocks of the input audio signal. The packet size can vary significantly depending on the audio content up to 6144 bits per channel. In CBR mode, the packet sizes are constrained so that a true constant bit rate can be achieved with a specified end-to-end delay.
Audio Priming - Handling Encoder Delay in AAC
https://developer.apple.com/library/archive/documentation/QuickTime/QTFF/QTFFAppenG/QTFFAppenG.html
This data will be represented in 8 AAC packets, where each packet represents 1024 audio samples. The total duration represented by these 8 AAC packets is 8192 audio samples (note that this is longer than the duration of the source audio). The result breaks down into the following values:
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