It is difficult to find information about smartphone audio input testing because the techniques are so uncommon and complicated. Since Allion has conducted audio testing for many years, we have accumulated a body of knowledge and practical experience in audio input testing, including testing of headphone input jacks and built-in microphones. In this article, we present our audio input test methods and some sample test results based on some recent test data.
Many people use smartphones to play music or record sounds. Due to the fast pace of technological change and fierce competition, consumers have high expectations of smartphone audio performance. Audio tests are usually subjective, but Allion applies objective laboratory methods to detect differences in smartphone audio quality.