دانلود کتاب An introduction to digital audio

1. Introducing digital audio -- 1.1. Audio as date -- 1.2. What is an audio signal? -- 1.3. Why binary? -- 1.4. Why digital? -- 1.5. Some digital audio processes outlined -- 1.6. Time compression and expansion -- 1.7. Error correction and concealment -- 1.8. Channel coding -- 1.9. Audio compression -- 1.10. Disk-based recording -- 1.11. Rotary-head digital recorders -- 1.12. Digital audio broadcasting -- 1.13. Networks -- Reference -- 2. Sound audio principles -- 2.1. The physics of sound -- 2.2. Wavelength -- 2.3. Periodic and aperiodic signals -- 2.4. Sound and the ear -- 2.5. The cochlea -- 2.6. Mental processes -- 2.7. Level and loudness -- 2.8. Frequency discrimination -- 2.9. Frequency response and linearity -- 2.10. The sine wave -- 2.11. Root mean square measurements -- 2.12. The deciBel -- 2.13. Audio level metering -- References -- 3. Digital principles -- 3.1. Binary codes -- 3.2. Introduction to digital logic -- 3.3. The computer -- 3.4. Timebase correction -- 3.5. Multiplexing -- 3.6. Gain control -- 3.7. Digital faders and controls -- 3.8. A digital mixer -- 3.9. Filters -- 3.10. FIR filters -- 3.11. Sampling-rate conversion -- 3.12. Transforms and duality -- 3.13. The Fourier transform -- 3.14. The discrete cosine transform (DCT) -- 3.15. Modulo-n arithmetic -- 3.16. The Galois field -- 3.17. The phase-locked loop -- References -- 4. Conversion -- 4.1. Introduction to conversion -- 4.2. Sampling and aliasing -- 4.3. Reconstruction -- 4.4. Filter design -- 4.5. Choice of sampling rate -- 4.6. Sample and hold -- 4.7. Sampling clock jitter -- 4.8. Aperture effect -- 4.9. Quantizing -- 4.10. Quantizing error -- 4.11. Basic digital-to-analog conversion -- 4.12. Basic analog-to-digital conversion -- 4.13. Alternative convertors -- 4.14. Oversampling -- 4.15. Oversampling without noise shaping -- 4.16. Noise shaping -- 4.17. Noise-shaping ADCs -- 4.18. A one-bit DAC -- 4.19. One-bit noise-shaping ADCs -- References -- 5. Compression -- 5.1. Introduction -- 5.2. Lossless and perceptive coding -- 5.3. Compression principles -- 5.4. Codec level calibration -- 5.5. Quality measurement -- 5.6. The limits -- 5.7. Some guidelines -- 5.8. Audio compression tools -- 5.9. Sub-band coding -- 5.10. Transform coding -- 5.11. Compression formats -- 5.12. MPEG Layer I -- 5.13. MPEG Layer II -- 5.14. MPEG Layer III -- 5.15. MPEG-2 AAC -- References -- 6. Digital coding principles -- 6.1. Introduction -- 6.2. Types of transmission channel -- 6.3. Transmission lines -- 6.4. Types of recording medium -- 6.5. Magnetic recording -- 6.6. Azimuth recording and rotary heads -- 6.7. Optical and magneto-optical disks -- 6.8. Equalization and data separation -- 6.9. Slicing and jitter rejection -- 6.10. Channel coding -- 6.11. Simple codes -- 6.12. Group codes -- 6.13. Randomizing and encryption -- 6.14. Synchronizing -- 6.15. Basic error correction -- 6.16. Concealment by interpolation -- 6.17. Parity -- 6.18. Block and convolutional codes -- 6.19. Cyclic codes -- 6.20. Introduction to the Reed-Solomon codes -- 6.21. Correction by erasure -- 6.22. Interleaving -- 6.23. Product codes -- Appendix 6.1. Calculation of Reed-Solomon generator polynomials -- References -- 7. Transmission -- 7.1. Introduction -- 7.2. The AES/EBU interface -- 7.3. Channel status -- 7.4. User bits -- 7.5. MADI, multi-channel audio digital interface -- 7.6. Fibre-optic interfacing -- 7.7. Synchronizing -- 7.8. Asynchronous operation -- 7.9. Routing and networks -- 7.10. Networks -- 7.11. FireWire -- 7.12. Broadband networks and ATM -- 7.13. Introduction to NICAM 728 -- 7.14. Audio in digital television broadcasting -- 7.15. Packets and time stamps -- 7.16. MPEG transport streams -- 7.17. Clock references -- 7.18. Program Specific Information (PSI) -- 7.19. Introduction to DAB -- References -- 8. Digital audio tape recorders -- 8.1. Rotary versus stationary heads -- 8.2. PCM adaptors -- 8.3. Introduction to DAT -- 8.4. DAT specification -- 8.5. DAT block diagram -- 8.6. Track following in DAT -- 8.7. DAT data channel -- 8.8. Multi-channel rotary-head recorders -- 8.9. Stationary-head recorders -- 8.10. DASH format -- 8.11. DCC, digital compact cassette -- References -- 9. Magnetic disk drives -- 9.1. Types of disk drive -- 9.2. Structure of disk -- 9.3. Principle of flying head -- 9.4. Reading and writing -- 9.5. Moving the heads -- 9.6. Rotation -- 9.7. Servo-surface disks -- 9.8. Soft sectoring -- 9.9. Winchester technology -- 9.10. Rotary positioners -- 9.11. The disk controller -- 9.12. Defect handling -- 9.13. Digital audio disk system -- 9.14. Arranging the audio data on disk -- 9.15. Spooling files -- 9.16. Broadcast applications -- 9.17. Sampling rate and playing time -- References -- 10. Digital audio editing -- 10.1. Introduction -- 10.2. Editing with random access media -- 10.3. Editing on recording media -- 10.4. The structure of an editor -- 10.5. Timecode -- 10.6. Locating the edit point -- 10.7. Editing with disk drives -- 10.8. Editing in DAT -- 10.9. Editing in open-reel digital recorders -- 10.10. Jump editing -- References -- 11. Optical disks in digital audio -- 11.1. Types of optical disk -- 11.2. CD and MD contrasted -- 11.3. CD and MD, disk construction -- 11.4. Rejecting surface contamination -- 11.5 . Playing optical disks -- 11.6. Focus and tracking systems -- 11.7. Typical pickups -- 11.8. CD readout in detail -- 11.9. How optical disks are made -- 11.10. How recordable MiniDiscs are made -- 11.11. Channel code of CD and MiniDisc -- 11.12. Error-correction strategy -- 11.13. Track layout of MD -- 11.14. Player structure -- References -- Glossary