An audio system comprising: at least one microphone for capturing audio from an environment; at least one loudspeaker for presenting audio to the environment; and a processor operable to modify digital audio signals based on a plurality of tuning parameters to compensate for acoustic characteristics of the environment, the digital audio signals corresponding to at least one of audio captured from the environment and audio to be presented in the environment, wherein the processor is further operable to: detect, based on at least one of a particular digital audio signal (510, 610) corresponding to audio captured from the environment and values of the tuning parameters, that modification of digital audio signals based on the tuning parameters cannot fully compensate for the acoustic characteristics of the environment, wherein detecting that modification of digital audio signals based on the tuning parameters cannot fully compensate for the acoustic characteristics of the environment includes: comparing values of some or all of the tuning parameters to default values; and determining, based on the comparing, that at least a threshold number of the some or all of the tuning parameters are set to default values; and upon detecting that modification of digital audio signals based on the tuning parameters cannot fully compensate for the acoustic characteristics of the environment, provide an indication that the audio system should be calibrated to adjust the tuning parameters to the environment. at least one microphone for capturing audio from an environment; at least one loudspeaker for presenting audio to the environment; and a processor operable to modify digital audio signals based on a plurality of tuning parameters to compensate for acoustic characteristics of the environment, the digital audio signals corresponding to at least one of audio captured from the environment and audio to be presented in the environment, wherein the processor is further operable to: detect, based on at least one of a particular digital audio signal (510, 610) corresponding to audio captured from the environment and values of the tuning parameters, that modification of digital audio signals based on the tuning parameters cannot fully compensate for the acoustic characteristics of the environment, wherein detecting that modification of digital audio signals based on the tuning parameters cannot fully compensate for the acoustic characteristics of the environment includes: comparing values of some or all of the tuning parameters to default values; and determining, based on the comparing, that at least a threshold number of the some or all of the tuning parameters are set to default values; and upon detecting that modification of digital audio signals based on the tuning parameters cannot fully compensate for the acoustic characteristics of the environment, provide an indication that the audio system should be calibrated to adjust the tuning parameters to the environment. detect, based on at least one of a particular digital audio signal (510, 610) corresponding to audio captured from the environment and values of the tuning parameters, that modification of digital audio signals based on the tuning parameters cannot fully compensate for the acoustic characteristics of the environment, wherein detecting that modification of digital audio signals based on the tuning parameters cannot fully compensate for the acoustic characteristics of the environment includes: comparing values of some or all of the tuning parameters to default values; and determining, based on the comparing, that at least a threshold number of the some or all of the tuning parameters are set to default values; and comparing values of some or all of the tuning parameters to default values; and determining, based on the comparing, that at least a threshold number of the some or all of the tuning parameters are set to default values; and upon detecting that modification of digital audio signals based on the tuning parameters cannot fully compensate for the acoustic characteristics of the environment, provide an indication that the audio system should be calibrated to adjust the tuning parameters to the environment.