ADSR

ADSR may refer to:


 * ADSR envelope (attack decay sustain release), a common type of music envelope
 * Accelerator-driven subcritical reactor, a nuclear reactor using a particle accelerator to generate a fission reaction in a sub-critical assembly of fissionable material
 * Attack Decay Sustain Release, the debut album from Simian Mobile Disco, released on June 18, 2007