Audio Engineering

562 Chapter 17 to any video, audio, or fi lm time code and operate synchronized to a time code reference. As the heads are wider ...

Digital Audio Recording Basics 563 machine with a single head. At such a low frequency, conventional inductive heads that genera ...

564 Chapter 17 medium, but brings blocks of data to a computer memory where it is edited before being sent back for storage. In ...

Decode Encode Record disabled Crossfader Encode/decode distance (a) Figure 17.31 : Editing a convolutionally interleaved recordi ...

566 Chapter 17 Displaced heads also allow synchronous recording to be performed on multitrack digital audio recorders. Some stat ...

Digital Audio Interfaces Richard Brice 18.1 Digital Audio Interfaces ........................................................... ...

568 Chapter 18 In fact, both these interfaces are very similar, with variations being more due to electrical differences than be ...

Digital Audio Interfaces 569 defi ned as 1 V pk-pk when unterminated. Transformer coupling is by no means always used with this ...

570 Chapter 18 inversion since it is only a frequency (and not its phase) that needs to be detected. The resulting signal has mu ...

Digital Audio Interfaces 571 difference between the AES/EBU interface data format and the SPDIF data format is at its most signi ...

572 Chapter 18 package. Each transformer costs about $2—a long way from the $20 or so required for analogue transformers. Rememb ...

Digital Audio Interfaces 573 2 2 3 SN75172 3 XLR socket (Male) 1 1 100 n 110 R 1 2 680 R 34 HCO4 680 R 110 R Phono socket 3 3 2 ...

574 Chapter 18 over an electrical interface that has much in common with the interconnection standards employed in analogue vide ...

Digital Audio Interfaces 575 18.2 MADI (AES10–1991) Serial Multichannel Audio Digital Interface .................... The MADI st ...

576 Chapter 18 per channel (called, confusingly, mode bits) are used for frame synchronization on the MADI interface and for pre ...

Digital Audio Interfaces 577 (ISO 9314). It is this standard, which predates the MADI, that specifi ed the 4- to 5-bit mapping d ...

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Data Compression Richard Brice Data reduction or compression techniques are important because universal laws put a premium on in ...

580 Chapter 19 All compression techniques may be divided between lossless systems and lossy systems. Lossless compression makes ...

Data Compression 581 This is the essence of a compression technique known as run-length encoding (RLE). RLE works really well bu ...