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Author Topic: DAT Frame Format  (Read 1261 times)

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Offline H₂O

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DAT Frame Format
« on: March 12, 2010, 11:24:55 AM »
Does any one know a good reference to the actual Frame Formats for Digital Audio Tape?
 
I have some source code that is easy to read and outlines some of the more popular formats (16bit 44.1Khz, 16bit 32Khz, 16bit 48Khz) but not all (i.e. no timecode, no 24bit, no 96KHz, no 44.056Khz (if supported at all), etc).
 
I would like to understand the structure of each Frame Type.
 
For Example
- Bits 0,1 = Number of Channels - Possible options (00 = 2 Channels, 01 = 4 Channels; 10 = ?; 11 = ?)
- Bits 2,3 = Sample Rate - Possible options (00 = 48Khz, 01 = 44.1Khz; 10 = 32Khz; 11 = ?)
- Bits 4,5 = Quantization - Possible options (00 = 16bit linear, 01 = 12bit non-linear; 10 = ?; 11 = ?)
etc
 
Is there any padding? Is there a SOF or EOF field or is frame size strictly determined by type of frame (determined from # of channels, sample Rate, quantization)?
 
« Last Edit: March 12, 2010, 11:28:59 AM by H2O »
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Offline keytohwy

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Re: DAT Frame Format
« Reply #1 on: March 12, 2010, 01:37:16 PM »
Maybe check the DATHeads archives if you get no response here.

keytohwy

 

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