MOV to GSM Converter

Extract GSM compressed speech audio from MOV videos online

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Ultra-Compact Speech

GSM produces incredibly small voice files — under 6 MB per hour of speech. Extract voice from MOV videos in the most bandwidth-efficient codec for telephony.

Mobile Network Codec

GSM 06.10 powers voice calls on cellular networks worldwide. Extract audio from MOV in the codec that defined mobile voice communication.

Online Access

No telephony tools needed — convert MOV to GSM in your web browser. Works on any platform without installing specialized encoding software.

How to convert MOV to GSM

1

Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.

2

Choose gsm or any other format you need as a result (more than 200 formats supported)

3

Let the file convert and you can download your gsm file right afterwards

About formats

MOV is a multimedia container format developed by Apple Inc. and introduced in December 1991 with the launch of the QuickTime multimedia framework. As the native format of QuickTime, MOV pioneered many concepts that later influenced the ISO base media file format (MPEG-4 Part 12) and its derivatives, including MP4. The container uses a hierarchical atom (or box) structure where each atom holds specific types of data — from video and audio tracks to metadata, text, and timecode information. MOV supports an extremely broad range of codecs including H.264, HEVC, ProRes, Apple Intermediate Codec, AAC, and PCM, among many others. This codec flexibility, combined with features like multiple track support, reference movies, and edit lists, has made MOV a staple of professional video production. The ProRes codec from Apple, commonly delivered in MOV containers, is an industry standard for post-production and broadcast finishing. The format handles both compressed delivery-quality content and high-bit-rate production-quality footage with equal capability. Precise timecode and metadata handling make MOV particularly valued in workflows requiring frame-accurate editing and reliable exchange between production tools. MOV is natively supported across all Apple platforms and widely recognized by professional editing software on all operating systems, maintaining its relevance across decades of evolving video technology.
Developer: Apple Inc.
Initial release: December 2, 1991
GSM 06.10 (Full Rate) is the foundational speech codec of the Global System for Mobile Communications standard, ratified by ETSI in 1991 and deployed across hundreds of cellular networks worldwide. Operating at a fixed 13 kbit/s, the algorithm applies Regular Pulse Excitation with Long-Term Prediction (RPE-LTP) to compress 20 ms frames of 8 kHz mono speech into just 33 bytes each. This approach models the vocal tract as a linear predictive filter, encodes the excitation signal, and leverages pitch periodicity for further reduction — tuned to deliver intelligible voice under the bandwidth constraints of early digital mobile channels. The codec powers not only GSM telephony but also many VoIP applications, voicemail systems, and IVR platforms that benefit from its low bitrate. Three concrete advantages stand out. First, extraordinary compression: one minute of speech fits in roughly 100 KB, enabling efficient storage and transmission. Second, universal tooling — libraries such as libgsm and SoX handle encoding and decoding on every major platform. Third, a royalty-free patent landscape that has encouraged adoption across open-source telephony projects like Asterisk and FreeSWITCH.
Initial release: 1991

Frequently Asked Questions

Why convert MOV to GSM?

GSM 06.10 is the speech codec used in cellular networks. Convert for telephony applications, voice prompts, and systems that require GSM-encoded audio input.

What software handles GSM files?

SoX, Audacity, Asterisk PBX, and most VoIP platforms decode GSM audio. VLC can also play GSM files for quick preview and verification.

Is GSM quality acceptable?

GSM delivers clear, intelligible speech at just 13 kbps. It was engineered for voice calls — quality is good for speech but inadequate for music.

How compact are GSM files?

Extremely compact — GSM compresses audio at roughly 1.6 KB per second. An hour of speech takes under 6 MB, making it one of the most efficient voice codecs.

Can GSM audio be used in VoIP?

Yes — many VoIP systems support GSM as a codec option. It provides reasonable voice quality at very low bandwidth, useful for constrained networks.

MOV to GSM Quality Rating

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