---
title: Bytes per frame
framework: quicktime-file-format
role: symbol
role_heading: Data field
path: quicktime-file-format/sound_sample_description_version_1/bytes_per_frame
---

# Bytes per frame

The number of bytes in a frame.

## Overview

Overview For uncompressed audio, the number of bytes in an uncompressed frame; for compressed audio, the number of bytes in a compressed frame. This can be calculated by multiplying the bytes per packet field by the number of channels.

## See Also

### Data fields

- [Sample description size](quicktime-file-format/sound_sample_description_version_1/sample_description_size.md)
- [Data format](quicktime-file-format/sound_sample_description_version_1/data_format.md)
- [Reserved](quicktime-file-format/sound_sample_description_version_1/reserved.md)
- [Data reference index](quicktime-file-format/sound_sample_description_version_1/data_reference_index.md)
- [Version](quicktime-file-format/sound_sample_description_version_1/version.md)
- [Revision level](quicktime-file-format/sound_sample_description_version_1/revision_level.md)
- [Vendor](quicktime-file-format/sound_sample_description_version_1/vendor.md)
- [Number of channels](quicktime-file-format/sound_sample_description_version_1/number_of_channels.md)
- [Sample size](quicktime-file-format/sound_sample_description_version_1/sample_size.md)
- [Compression ID](quicktime-file-format/sound_sample_description_version_1/compression_id.md)
- [Packet size](quicktime-file-format/sound_sample_description_version_1/packet_size.md)
- [Sample rate](quicktime-file-format/sound_sample_description_version_1/sample_rate.md)
- [Samples per packet](quicktime-file-format/sound_sample_description_version_1/samples_per_packet.md)
- [Bytes per packet](quicktime-file-format/sound_sample_description_version_1/bytes_per_packet.md)
- [Bytes per sample](quicktime-file-format/sound_sample_description_version_1/bytes_per_sample.md)