Help Center/ MetaStudio/ User Guide/ Appendix/ Recording an Audio on a Mobile Phone
Updated on 2024-09-29 GMT+08:00

Recording an Audio on a Mobile Phone

Perform operations based on the mobile phone type:

Operations on iPhone

Easy Voice Recorder is recommended for recording on iPhone.

See Table 1.

Table 1 Audio recording requirements

Audio Recording

Description

Sampling rate

48 kHz is recommended for audio recording.

Configure the recording parameters of Easy Voice Recorder:
  1. Open Easy Voice Recorder and switch to the Settings page.
  2. Select Format. The Format page is displayed.

    Configure the following parameters:

    • FILE FORMAT: Select .wav (PCM).
    • SAMPLE RATE: Select 48 kHz (high quality).
  3. The recording page is displayed and the recording starts.

Sampling bit

48 bits is recommended for audio recording.

The default sampling bit of Easy Voice Recorder is 16 bits. You do not need to change it.

Audio channel

Mono is recommended for audio recording.

Mono is set by default for Easy Voice Recorder. You do not need to change it.

Audio format

Save the audio file in a lossless format, for example, WAV. Compressed formats such as MP3 are not allowed.

Audio naming

All script pieces are recorded in a WAV file (file name example: Voice.wav).

Audio export

Procedure:

  1. Open Easy Voice Recorder and click Listen at the bottom.
  2. On the page displayed, click Edit in the upper right corner. The page for editing audio files is displayed.
  3. Select all audio files and click Share. You can transfer the audio files to the PC or use other third-party applications to export the audio files to the PC.

    You can upload a long audio file to the MetaStudio console for voice training without compressing it.

Operations on Android

Super Recorder is recommended for recording on Android.

See Table 2.

Table 2 Audio recording requirements

Audio Recording

Description

Sampling rate

48 kHz is recommended for audio recording.

The default sample rate is 44,100 Hz (HD). You do not need to change it.

Sampling bit

48 bits is recommended for audio recording.

The default sampling bit of Super Recorder is 16 bits. You do not need to change it.

Audio channel

Mono is recommended for audio recording.

Mono is set by default for Super Recorder. You do not need to change it.

Audio format

Save the audio file in a lossless format, for example, WAV. Compressed formats such as MP3 are not allowed.

Configure the recording parameters of Super Recorder:
  1. Open Super Recorder.
  2. To record and save files properly, you need to grant the recording and storage permissions to Super Recorder.
  3. The Record Options area is displayed.

    Configure the following parameters:

    • Recording quality: Select High.
    • Recording format: Select WAV.
  4. Exit the settings page and go to the recording page to start recording.

Audio naming

All script pieces are recorded in a WAV file (file name example: Voice.wav).

Audio export

Procedure:

  1. Open Super Recorder and go to the audio file list page.
  2. Touch and hold an audio file, select all files, and touch the icon of sharing to transfer the audio files to the PC or use other third-party applications to export the audio files to the PC.

    You can upload a long audio file to the MetaStudio console for voice training without compressing it.