Middle ear to sounds of higher frequency, because these are better taken up by the inner ear (which also responds to higher frequencies than those of non-mammals). The malleus, or "hammer", evolved from the articular bone of the lower jaw, and the incus, or "anvil", from the quadrate. In other vertebrates, these bones form the primary jaw joint, but the expansion of the dentary bone in mammals led to the evolution of an entirely new jaw joint, freeing up the old joint to become part of the ear. For a period of time, both jaw joints existed together, one medially and one
Anvil Studio Anvil Studio Anvil Studio is a multitrack MIDI and audio editing, digital audio workstation program that runs on Microsoft Windows. It is developed by Willow Software, based in Shoreline, Washington, U.S.A. Anvil Studio consists of a free core program with optional add-ons. The free version is a fully functional MIDI editor/sequencer which loads and saves standard MIDI-formatted files, and allows individual tracks to be edited with a: The program uses the standard MIDI Sequencer-Specific event (FF 7F) to control items not specifically defined by the MIDI standard, such as: By default, Anvil Studio uses a General MIDI software synthesizer for