Audio Engineering

522 Chapter 16 Moreover, the fact that the parity bits of column q and row e both have even parity means that, in this example, ...

Compact Disc 523 bits in length. It can conceal, by interpolation, transmission errors up to 12,000 bits in duration—an ability ...

524 Chapter 16 since although the errors will mainly be restored quite precisely, it may be necessary, sometimes, for the system ...

Digital Audio Recording Basics Ian Sinclair Once conversion from analogue signals into the digital domain has taken place, audio ...

526 Chapter 17 By defi nition the process is nonlinear, and analogue magnetic recorders have to use bias to linearize it. Digita ...

Digital Audio Recording Basics 527 of the magnetic coating is recorded, although this cannot be done if the same head is intende ...

528 Chapter 17 wavelength further reduces, the familiar gap loss occurs, where the head gap is too big to resolve detail on the ...

Digital Audio Recording Basics 529 contact the disc surface, but are supported on a boundary layer of air. The presence of the a ...

530 Chapter 17 Tape track Impulse due to first transition alone Impulse due to second transition alone Output of head Peak shift ...

Digital Audio Recording Basics 531 In the same way that the recorded wavelength of a magnetic recording is limited by the gap in ...

532 Chapter 17 a phase reversal between the two components of the refl ection. This causes destructive interference, and light c ...

Digital Audio Recording Basics 533 All optical discs need mechanisms to keep the pickup following the track and sharply focused ...

534 Chapter 17 Random access memory (RAM) offers extremely short access time, but the volume of data generated by digital audio ...

Digital Audio Recording Basics 535 If the criterion is access time, discs are to be preferred. If the criterion is compact stora ...

536 Chapter 17 RAM, a recording can be made for a short period until the RAM is full. The recording can be played back by repeat ...

Digital Audio Recording Basics 537 various processes. They can also be used in auditoria to align the sound from various loudspe ...

538 Chapter 17 In digital audio recorders that use video cassette recorders (VCRs), time compression allows the continuous audio ...

Digital Audio Recording Basics 539 In digital video recorders, both audio and video data are time compressed so that they can sh ...

540 Chapter 17 will be made on professional machines to switch between internal and external references. 17.3.5 Error Correction ...

Digital Audio Recording Basics 541 The audibility of a bit error depends on which bit of the sample is involved. If the LSB of o ...