/** @packageDocumentation Audio properties implementation for the DSDIFF (DSD Interchange File Format). */
import { AudioProperties } from "../audioProperties.js";
import type { ReadStyle } from "../toolkit/types.js";
/**
 * Audio properties for DSD Interchange File Format (DSDIFF).
 *
 * Unlike most properties classes, DSDIFF properties are constructed from
 * pre-computed values extracted during the chunk-walking phase of file
 * parsing, rather than from raw byte data.
 */
export declare class DsdiffProperties extends AudioProperties {
    /** Sample rate in Hz (e.g. 2822400 for DSD64). */
    private _sampleRate;
    /** Number of audio channels. */
    private _channels;
    /** Total number of DSD sample frames (per channel). */
    private _sampleCount;
    /** Approximate bitrate in kbit/s. */
    private _bitrate;
    /** Track duration in milliseconds. */
    private _lengthInMs;
    /**
     * Constructs DSDIFF audio properties from pre-computed values.
     * @param sampleRate Sample rate in Hz.
     * @param channels Number of audio channels.
     * @param sampleCount Total DSD sample frames (per channel).
     * @param bitrate Approximate bitrate in kbit/s.
     * @param readStyle Read style hint (passed to the base class).
     */
    constructor(sampleRate: number, channels: number, sampleCount: bigint, bitrate: number, readStyle: ReadStyle);
    /** Track duration in milliseconds. */
    get lengthInMilliseconds(): number;
    /** Approximate bitrate in kbit/s. */
    get bitrate(): number;
    /** Sample rate in Hz. */
    get sampleRate(): number;
    /** Number of audio channels. */
    get channels(): number;
    /** DSD audio is always 1 bit per sample. */
    get bitsPerSample(): number;
    /** Total number of DSD sample frames per channel. */
    get sampleCount(): bigint;
}
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