IssueTracker

Library version used:
Devices/Android versions reproduced on:
Android Auto version reproduced on:

    implementation "androidx.car.app:app:1.3.0-rc01"

    // For Android Auto specific functionality
    implementation "androidx.car.app:app-projected:1.3.0-rc01"

This is not a bug.
I want the CarAudioRecord to have the ability to change :
    public static final int AUDIO_CONTENT_SAMPLING_RATE = 16000;

    /** The default buffer size of audio reads from the microphone. */
    public static final int AUDIO_CONTENT_BUFFER_SIZE = 512;

    /** The mime type for raw audio. The car API samples audio at 16khz. */
    public static final String AUDIO_CONTENT_MIME = "audio/l16";

I want to record With this params :

  const val RECORDER_SAMPLE_RATE = 8000
        const val RECORDER_CHANNELS: Int = android.media.AudioFormat.CHANNEL_IN_MONO
        const val RECORDER_AUDIO_ENCODING: Int = android.media.AudioFormat.ENCODING_PCM_16BIT
        const val BITS_PER_SAMPLE: Short = 16
        const val NUMBER_CHANNELS: Short = 1
        const val BYTE_RATE = RECORDER_SAMPLE_RATE * NUMBER_CHANNELS * 16 / 8

And i want the library to enable it.

If this is a bug in the library, we would appreciate if you could attach, if possible:

- Sample project to trigger the issue.
- A screen record or screenshots showing the issue (if UI related).
- A bug report

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