Simple and doesn’t require much of a learning curve.It’s a good solution for amateur creators on a tight budget. But as with several open-source software applications, it’s plagued with obstacles such as bugs, limited features, and no direct support. Changing the audio balance of the stereo towards L or R, improves dramatically what is being heard.For a free tool, Audacity is excellent. This can also be verified using an app like PowerAmp. Then, the audio result of the (tracks -> mix and render) command applied to the L and R channels will be as expected even when heard through a mono smartphone speaker system. Ii) invert one of the L/R channels,which is a better choice in the given case, due to the way the cassette was created. I) apply a Phaser effect on the L/R channel in Audacity, with an LFO frequency of 0.001Hz and any LFO Start Phase or, This downmix necessarily occurs when a stereo file is reproduced in a smartphone that has a mono speaker system or when the music application produces mono sound. In some old '70s and '80s cassettes a stereo effect was simulated with the L and R channels being in opposite phase - so when downmixing the two channels cancelled each other. According to the voted answer of this question, If, in Audacity, the given project is converted to mono (Tracks -> Stereo Track to Mono), the muffled sound heard from smartphone speakers can be reproduced on desktop speakers, laptop speakers - everywhere. While the discussion with Frank was constructive, the true reason behind this extremely distorted playback was not the poor frequency response of the smartphones, but rather, the problematic downmixing of the stereo recording, to mono. I have uploaded a sample Audacity project having the problem here: However, installing an app such as SoundAbout does not fix the problem, even after routing the sound through the speakers with the earphones plugged in. I have tried to play the file with vlc for android, and also an uploaded video version with the Youtube app, in Android 4.0 and 4.2, with phones of different brands.įurthermore, the sound file that is distorted when played from the smartphone, sounds perfectly when heard through earphones, headphones,speakers - anything connected to the audio-out port of the phone. The same mp3 or ogg sound file sounds just fine when played from a computer. Specifically, when played from an Android device, the sound from the exported mp3 or ogg file, be it variable or constant bit rate (for mp3), is muffled. I am successful with many of them, but I encounter a peculiar problem during some of these conversions, that no web search has helped me to counter. I have lately been converting audio cassettes to digital sound, using Audacity.
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