Convert M4R to OPUS
Convert M4R audios to OPUS format, edit and optimize audios online and free.
The M4R file extension stands for MPEG-4 Ringtone and is primarily used for creating custom ringtones for Apple devices, particularly iPhones. This format, a variant of the standard MPEG-4 Audio (M4A), emerged alongside the introduction of the iPhone in 2007. M4R files utilize Advanced Audio Coding (AAC) for compression, ensuring high-quality sound in a compact file size. Their use is strictly tied to Apple's ecosystem, allowing users to personalize their device's ringtones through the iTunes platform. M4R's history is closely linked to the evolution of mobile technology and the personalization trend in smartphone usage.
Opus, associated with Opus Audio, is an open, royalty-free audio codec designed for high-quality voice and music streaming. Introduced by the Internet Engineering Task Force (IETF) in 2012, it adapts seamlessly to various applications like VoIP, videoconferencing, in-game chat, and live music performances. Known for its versatility, low latency, and high compression efficiency, Opus is widely adopted in modern communication platforms and web applications, making it a cornerstone in contemporary audio technology.
Choose a M4R audio and upload it to the converter.
Adjust M4R to OPUS settings with tools, then press Convert.
Click Download after the OPUS conversion ends to get your file.
Trim & cut M4R and convert it to OPUS.
Convert M4R to OPUS and set the output channels to Mono (1.0) or Stereo (2.0).
With Vertopal CLI installed, you can convert M4R audio directly into OPUS audio.
cd into the M4R file directory or provide the path.