1. Introduction; 2. Variation in Spanish pronunciation; 3. Consonants and vowels; 4. Acoustic characterization of the main classes of Spanish speech sounds; 5. The syllable; 6. Main phonological processes; 7. Vowels; 8. Plosives; 9. Fricatives and affricates; 10. Nasals; 11. Liquids (laterals and rhotics); 12. Main morphophonological alternations; 13. Stress; 14. Intonation; Appendixes; Glossary.