# Audio Specifications ## Specifications * Supported formats: mp3, wav, ogg, m4a, m4r, wma, opus, flac, aac, amr * File size limit:\ \- Free/Starter: within 10 MB\ \- Pro: within 30 MB\ \- Enterprise : within 50 MB *** ## Best Optimization Method ### Set an appropriate audio bitrate * Generally, use a standard audio bitrate of 128 kbit/s. * If the audio file is still too large, you can reduce it to 64 kbit/s or 96 kbit/s, but it is not recommended to go below 64 kbit/s. * If the sound quality is noticeably degraded, you may increase the bitrate appropriately, such as 192 kbit/s. ### Choose an appropriate audio sampling rate * Generally, use the standard sampling rate of 44.1 kHz. * If the audio file is still too large, you may reduce it to 22.05 kHz, but it is not recommended to go below 22.05 kHz. ### Set an appropriate number of channels * Normally, choose stereo (dual-channel). * If the audio file is still too large, you can set it to mono (single-channel). --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs-en.kivicube.com/ar-asset-creation-guide/audio-spec.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.